./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label57.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_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/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_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/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_b98d6232-f013-4fcf-936f-7c4201c326ce/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 38aa25e947c9aeec3b3f3e35d3468f9ff877b07f2e274d39775d21c39593400d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:37,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:37,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:37,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:37,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:37,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:37,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:37,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:37,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:37,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:37,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:37,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:37,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:37,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:37,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:37,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:37,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:37,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:37,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:37,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:37,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:37,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:37,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:37,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:37,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:37,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:37,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:37,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:37,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:37,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:37,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:37,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:37,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:37,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:37,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:37,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:38,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:38,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:38,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:38,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:38,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:38,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:33:38,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:38,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:38,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:38,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:38,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:38,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:38,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:38,031 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:38,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:38,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:38,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:38,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:38,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:38,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:38,033 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:38,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:38,033 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:38,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:38,034 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:38,034 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:38,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:38,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:38,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:38,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:38,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:38,035 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:38,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:38,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:38,036 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_b98d6232-f013-4fcf-936f-7c4201c326ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38aa25e947c9aeec3b3f3e35d3468f9ff877b07f2e274d39775d21c39593400d [2021-11-23 15:33:38,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:38,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:38,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:38,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:38,338 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:38,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label57.c [2021-11-23 15:33:38,400 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/data/29a99f621/53d5a3a77df84c17845f4196a6e913f6/FLAG72e56d090 [2021-11-23 15:33:39,212 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:39,214 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/sv-benchmarks/c/eca-rers2012/Problem04_label57.c [2021-11-23 15:33:39,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/data/29a99f621/53d5a3a77df84c17845f4196a6e913f6/FLAG72e56d090 [2021-11-23 15:33:39,687 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/data/29a99f621/53d5a3a77df84c17845f4196a6e913f6 [2021-11-23 15:33:39,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:39,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:39,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:39,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:39,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:39,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:39" (1/1) ... [2021-11-23 15:33:39,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2384d2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:39, skipping insertion in model container [2021-11-23 15:33:39,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:39" (1/1) ... [2021-11-23 15:33:39,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:39,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:41,233 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_b98d6232-f013-4fcf-936f-7c4201c326ce/sv-benchmarks/c/eca-rers2012/Problem04_label57.c[181554,181567] [2021-11-23 15:33:41,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:41,273 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:42,012 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_b98d6232-f013-4fcf-936f-7c4201c326ce/sv-benchmarks/c/eca-rers2012/Problem04_label57.c[181554,181567] [2021-11-23 15:33:42,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:42,051 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:42,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:42 WrapperNode [2021-11-23 15:33:42,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:42,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:42,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:42,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:42,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:42" (1/1) ... [2021-11-23 15:33:42,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:42" (1/1) ... [2021-11-23 15:33:42,383 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2021-11-23 15:33:42,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:42,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:42,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:42,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:42,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:42" (1/1) ... [2021-11-23 15:33:42,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:42" (1/1) ... [2021-11-23 15:33:42,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:42" (1/1) ... [2021-11-23 15:33:42,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:42" (1/1) ... [2021-11-23 15:33:42,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:42" (1/1) ... [2021-11-23 15:33:42,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:42" (1/1) ... [2021-11-23 15:33:42,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:42" (1/1) ... [2021-11-23 15:33:42,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:42,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:42,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:42,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:42,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:42" (1/1) ... [2021-11-23 15:33:42,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:42,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:42,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:42,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:42,786 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:42,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:46,938 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:47,012 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 15:33:47,019 INFO L158 Benchmark]: Toolchain (without parser) took 7324.04ms. Allocated memory was 111.1MB in the beginning and 377.5MB in the end (delta: 266.3MB). Free memory was 79.0MB in the beginning and 179.9MB in the end (delta: -100.9MB). Peak memory consumption was 168.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:47,020 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:47,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2359.02ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 79.0MB in the beginning and 68.2MB in the end (delta: 10.8MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2021-11-23 15:33:47,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 329.44ms. Allocated memory is still 153.1MB. Free memory was 68.2MB in the beginning and 63.0MB in the end (delta: 5.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-23 15:33:47,024 INFO L158 Benchmark]: Boogie Preprocessor took 246.95ms. Allocated memory is still 153.1MB. Free memory was 63.0MB in the beginning and 60.6MB in the end (delta: 2.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-11-23 15:33:47,025 INFO L158 Benchmark]: RCFGBuilder took 4384.08ms. Allocated memory was 153.1MB in the beginning and 377.5MB in the end (delta: 224.4MB). Free memory was 60.6MB in the beginning and 179.9MB in the end (delta: -119.3MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:47,033 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2359.02ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 79.0MB in the beginning and 68.2MB in the end (delta: 10.8MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 329.44ms. Allocated memory is still 153.1MB. Free memory was 68.2MB in the beginning and 63.0MB in the end (delta: 5.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 246.95ms. Allocated memory is still 153.1MB. Free memory was 63.0MB in the beginning and 60.6MB in the end (delta: 2.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * RCFGBuilder took 4384.08ms. Allocated memory was 153.1MB in the beginning and 377.5MB in the end (delta: 224.4MB). Free memory was 60.6MB in the beginning and 179.9MB in the end (delta: -119.3MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:33:47,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/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_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/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_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/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_b98d6232-f013-4fcf-936f-7c4201c326ce/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 38aa25e947c9aeec3b3f3e35d3468f9ff877b07f2e274d39775d21c39593400d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:49,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:49,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:49,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:49,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:49,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:49,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:49,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:49,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:49,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:49,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:49,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:49,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:49,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:49,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:49,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:49,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:49,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:49,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:49,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:49,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:49,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:49,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:49,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:49,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:49,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:49,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:49,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:49,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:49,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:49,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:49,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:49,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:49,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:49,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:49,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:49,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:49,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:49,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:49,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:49,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:49,584 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:49,642 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:49,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:49,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:49,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:49,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:49,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:49,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:49,646 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:49,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:49,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:49,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:49,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:49,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:49,648 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:49,648 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:49,648 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:49,649 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:49,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:49,649 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:49,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:49,649 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:49,650 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:49,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:49,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:49,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:49,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:49,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:49,651 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:49,651 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:49,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:49,652 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:49,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:49,652 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_b98d6232-f013-4fcf-936f-7c4201c326ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38aa25e947c9aeec3b3f3e35d3468f9ff877b07f2e274d39775d21c39593400d [2021-11-23 15:33:50,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:50,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:50,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:50,130 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:50,131 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:50,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label57.c [2021-11-23 15:33:50,196 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/data/6eaf1a5a6/db20e63d1ca44784968dfd4ac6c91aaa/FLAG068b8561e [2021-11-23 15:33:51,007 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:51,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/sv-benchmarks/c/eca-rers2012/Problem04_label57.c [2021-11-23 15:33:51,039 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/data/6eaf1a5a6/db20e63d1ca44784968dfd4ac6c91aaa/FLAG068b8561e [2021-11-23 15:33:51,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/data/6eaf1a5a6/db20e63d1ca44784968dfd4ac6c91aaa [2021-11-23 15:33:51,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:51,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:51,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:51,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:51,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:51,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:51" (1/1) ... [2021-11-23 15:33:51,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477c5f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:51, skipping insertion in model container [2021-11-23 15:33:51,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:51" (1/1) ... [2021-11-23 15:33:51,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:51,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:53,258 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_b98d6232-f013-4fcf-936f-7c4201c326ce/sv-benchmarks/c/eca-rers2012/Problem04_label57.c[181554,181567] [2021-11-23 15:33:53,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:53,289 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:54,018 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_b98d6232-f013-4fcf-936f-7c4201c326ce/sv-benchmarks/c/eca-rers2012/Problem04_label57.c[181554,181567] [2021-11-23 15:33:54,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:54,056 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:54,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54 WrapperNode [2021-11-23 15:33:54,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:54,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:54,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:54,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:54,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,357 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2021-11-23 15:33:54,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:54,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:54,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:54,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:54,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:54,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:54,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:54,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:54,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:54,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:54,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:54,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:54,883 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:54,896 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:34:00,679 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:34:00,762 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 15:34:00,766 INFO L158 Benchmark]: Toolchain (without parser) took 9223.74ms. Allocated memory was 58.7MB in the beginning and 536.9MB in the end (delta: 478.2MB). Free memory was 32.5MB in the beginning and 346.1MB in the end (delta: -313.6MB). Peak memory consumption was 196.2MB. Max. memory is 16.1GB. [2021-11-23 15:34:00,767 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:00,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2512.48ms. Allocated memory was 58.7MB in the beginning and 102.8MB in the end (delta: 44.0MB). Free memory was 32.3MB in the beginning and 37.0MB in the end (delta: -4.6MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2021-11-23 15:34:00,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 298.71ms. Allocated memory was 102.8MB in the beginning and 151.0MB in the end (delta: 48.2MB). Free memory was 37.0MB in the beginning and 65.2MB in the end (delta: -28.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-11-23 15:34:00,770 INFO L158 Benchmark]: Boogie Preprocessor took 273.84ms. Allocated memory is still 151.0MB. Free memory was 65.2MB in the beginning and 57.8MB in the end (delta: 7.4MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2021-11-23 15:34:00,771 INFO L158 Benchmark]: RCFGBuilder took 6131.21ms. Allocated memory was 151.0MB in the beginning and 536.9MB in the end (delta: 385.9MB). Free memory was 57.8MB in the beginning and 346.1MB in the end (delta: -288.3MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2021-11-23 15:34:00,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2512.48ms. Allocated memory was 58.7MB in the beginning and 102.8MB in the end (delta: 44.0MB). Free memory was 32.3MB in the beginning and 37.0MB in the end (delta: -4.6MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 298.71ms. Allocated memory was 102.8MB in the beginning and 151.0MB in the end (delta: 48.2MB). Free memory was 37.0MB in the beginning and 65.2MB in the end (delta: -28.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 273.84ms. Allocated memory is still 151.0MB. Free memory was 65.2MB in the beginning and 57.8MB in the end (delta: 7.4MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6131.21ms. Allocated memory was 151.0MB in the beginning and 536.9MB in the end (delta: 385.9MB). Free memory was 57.8MB in the beginning and 346.1MB in the end (delta: -288.3MB). Peak memory consumption was 130.0MB. 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 15:34:00,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d6232-f013-4fcf-936f-7c4201c326ce/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