./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_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_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/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_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/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_d9e1d5b6-1374-44b5-8988-1aa07929384d/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 3d925fbc5b311aa71bdfc08132a671e52df1445341b50997ca2cb386a552fde0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:46,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:46,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:46,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:46,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:46,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:46,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:46,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:46,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:46,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:46,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:46,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:46,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:46,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:46,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:46,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:46,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:46,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:46,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:46,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:46,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:46,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:46,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:46,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:46,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:46,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:46,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:46,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:46,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:46,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:46,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:46,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:46,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:46,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:46,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:46,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:46,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:46,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:46,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:46,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:46,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:46,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:02:46,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:46,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:46,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:46,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:46,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:46,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:46,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:46,242 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:46,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:46,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:46,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:46,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:46,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:46,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:46,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:46,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:46,244 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:46,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:46,244 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:46,245 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:46,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:46,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:46,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:46,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:46,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:46,246 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:46,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:46,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:46,246 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_d9e1d5b6-1374-44b5-8988-1aa07929384d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d925fbc5b311aa71bdfc08132a671e52df1445341b50997ca2cb386a552fde0 [2021-11-23 15:02:46,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:46,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:46,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:46,541 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:46,542 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:46,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label15.c [2021-11-23 15:02:46,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/data/65636adca/857cf63862c046bd80c31b2d71ac0a6b/FLAG34cea6b9a [2021-11-23 15:02:47,371 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:47,372 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/sv-benchmarks/c/eca-rers2012/Problem18_label15.c [2021-11-23 15:02:47,395 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/data/65636adca/857cf63862c046bd80c31b2d71ac0a6b/FLAG34cea6b9a [2021-11-23 15:02:47,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/data/65636adca/857cf63862c046bd80c31b2d71ac0a6b [2021-11-23 15:02:47,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:47,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:47,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:47,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:47,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:47,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:47,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be3c9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47, skipping insertion in model container [2021-11-23 15:02:47,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:47,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:47,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:47,820 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_d9e1d5b6-1374-44b5-8988-1aa07929384d/sv-benchmarks/c/eca-rers2012/Problem18_label15.c[3868,3881] [2021-11-23 15:02:48,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:48,773 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:48,807 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_d9e1d5b6-1374-44b5-8988-1aa07929384d/sv-benchmarks/c/eca-rers2012/Problem18_label15.c[3868,3881] [2021-11-23 15:02:49,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:49,233 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:49,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:49 WrapperNode [2021-11-23 15:02:49,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:49,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:49,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:49,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:49,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:49" (1/1) ... [2021-11-23 15:02:49,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:49" (1/1) ... [2021-11-23 15:02:49,532 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4132 [2021-11-23 15:02:49,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:49,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:49,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:49,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:49,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:49" (1/1) ... [2021-11-23 15:02:49,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:49" (1/1) ... [2021-11-23 15:02:49,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:49" (1/1) ... [2021-11-23 15:02:49,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:49" (1/1) ... [2021-11-23 15:02:49,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:49" (1/1) ... [2021-11-23 15:02:49,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:49" (1/1) ... [2021-11-23 15:02:49,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:49" (1/1) ... [2021-11-23 15:02:49,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:49,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:49,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:49,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:49,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:49" (1/1) ... [2021-11-23 15:02:49,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:49,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:49,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:49,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:02:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:50,031 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:50,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:53,778 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:53,830 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 15:02:53,836 INFO L158 Benchmark]: Toolchain (without parser) took 6404.59ms. Allocated memory was 100.7MB in the beginning and 356.5MB in the end (delta: 255.9MB). Free memory was 66.7MB in the beginning and 136.8MB in the end (delta: -70.2MB). Peak memory consumption was 198.6MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,837 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:53,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1802.47ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 66.5MB in the beginning and 64.8MB in the end (delta: 1.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 298.03ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 64.8MB in the beginning and 102.0MB in the end (delta: -37.2MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,842 INFO L158 Benchmark]: Boogie Preprocessor took 325.72ms. Allocated memory is still 178.3MB. Free memory was 102.0MB in the beginning and 98.9MB in the end (delta: 3.1MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,843 INFO L158 Benchmark]: RCFGBuilder took 3972.03ms. Allocated memory was 178.3MB in the beginning and 356.5MB in the end (delta: 178.3MB). Free memory was 98.9MB in the beginning and 136.8MB in the end (delta: -37.9MB). Peak memory consumption was 150.9MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1802.47ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 66.5MB in the beginning and 64.8MB in the end (delta: 1.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 298.03ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 64.8MB in the beginning and 102.0MB in the end (delta: -37.2MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 325.72ms. Allocated memory is still 178.3MB. Free memory was 102.0MB in the beginning and 98.9MB in the end (delta: 3.1MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * RCFGBuilder took 3972.03ms. Allocated memory was 178.3MB in the beginning and 356.5MB in the end (delta: 178.3MB). Free memory was 98.9MB in the beginning and 136.8MB in the end (delta: -37.9MB). Peak memory consumption was 150.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:02:53,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/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_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/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_d9e1d5b6-1374-44b5-8988-1aa07929384d/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 3d925fbc5b311aa71bdfc08132a671e52df1445341b50997ca2cb386a552fde0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:56,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:56,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:56,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:56,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:56,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:56,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:56,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:56,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:56,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:56,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:56,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:56,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:56,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:56,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:56,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:56,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:56,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:56,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:56,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:56,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:56,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:56,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:56,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:56,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:56,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:56,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:56,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:56,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:56,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:56,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:56,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:56,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:56,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:56,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:56,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:56,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:56,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:56,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:56,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:56,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:56,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:02:56,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:56,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:56,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:56,493 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:56,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:56,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:56,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:56,496 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:56,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:56,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:56,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:56,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:56,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:56,498 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:02:56,499 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:02:56,499 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:02:56,499 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:56,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:56,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:56,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:56,500 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:56,500 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:56,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:56,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:56,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:56,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:56,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:56,502 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:02:56,502 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:02:56,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:56,503 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:02:56,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:02:56,504 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_d9e1d5b6-1374-44b5-8988-1aa07929384d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d925fbc5b311aa71bdfc08132a671e52df1445341b50997ca2cb386a552fde0 [2021-11-23 15:02:56,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:56,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:56,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:56,871 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:56,876 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:56,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label15.c [2021-11-23 15:02:56,956 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/data/276bdabdb/7c2b4fc81a6346d89222d19db2c543f2/FLAG1c97567a8 [2021-11-23 15:02:57,894 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:57,896 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/sv-benchmarks/c/eca-rers2012/Problem18_label15.c [2021-11-23 15:02:57,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/data/276bdabdb/7c2b4fc81a6346d89222d19db2c543f2/FLAG1c97567a8 [2021-11-23 15:02:58,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/data/276bdabdb/7c2b4fc81a6346d89222d19db2c543f2 [2021-11-23 15:02:58,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:58,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:58,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:58,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:58,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:58,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:58" (1/1) ... [2021-11-23 15:02:58,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b34fb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:58, skipping insertion in model container [2021-11-23 15:02:58,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:58" (1/1) ... [2021-11-23 15:02:58,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:58,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:58,819 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_d9e1d5b6-1374-44b5-8988-1aa07929384d/sv-benchmarks/c/eca-rers2012/Problem18_label15.c[3868,3881] [2021-11-23 15:02:59,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:59,931 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:59,953 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_d9e1d5b6-1374-44b5-8988-1aa07929384d/sv-benchmarks/c/eca-rers2012/Problem18_label15.c[3868,3881] [2021-11-23 15:03:00,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:00,458 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:00,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00 WrapperNode [2021-11-23 15:03:00,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:00,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:00,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:00,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:00,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,704 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4128 [2021-11-23 15:03:00,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:00,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:00,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:00,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:00,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:00,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:00,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:00,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:00,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:00,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:00,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:01,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:01,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:01,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:01,175 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:01,177 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:17,730 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:17,814 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 15:03:17,824 INFO L158 Benchmark]: Toolchain (without parser) took 19401.41ms. Allocated memory was 62.9MB in the beginning and 262.1MB in the end (delta: 199.2MB). Free memory was 32.7MB in the beginning and 193.7MB in the end (delta: -160.9MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. [2021-11-23 15:03:17,825 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:17,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2037.33ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 32.6MB in the beginning and 45.4MB in the end (delta: -12.9MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:17,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 244.17ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 45.4MB in the beginning and 65.9MB in the end (delta: -20.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:17,830 INFO L158 Benchmark]: Boogie Preprocessor took 191.16ms. Allocated memory is still 121.6MB. Free memory was 65.9MB in the beginning and 47.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:03:17,831 INFO L158 Benchmark]: RCFGBuilder took 16878.44ms. Allocated memory was 121.6MB in the beginning and 262.1MB in the end (delta: 140.5MB). Free memory was 67.4MB in the beginning and 193.7MB in the end (delta: -126.3MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2021-11-23 15:03:17,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2037.33ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 32.6MB in the beginning and 45.4MB in the end (delta: -12.9MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 244.17ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 45.4MB in the beginning and 65.9MB in the end (delta: -20.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 191.16ms. Allocated memory is still 121.6MB. Free memory was 65.9MB in the beginning and 47.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 16878.44ms. Allocated memory was 121.6MB in the beginning and 262.1MB in the end (delta: 140.5MB). Free memory was 67.4MB in the beginning and 193.7MB in the end (delta: -126.3MB). Peak memory consumption was 88.0MB. 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 15:03:17,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e1d5b6-1374-44b5-8988-1aa07929384d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable