./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label50.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_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/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_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/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_4494f597-de18-4afe-9e1b-e9d456dc3d92/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 55cfdf74604724371a452c38b03dd4e25c32928e3cf25773bd571d9975e54b78 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:41:12,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:41:12,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:41:12,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:41:12,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:41:12,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:41:12,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:41:12,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:41:12,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:41:12,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:41:12,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:41:12,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:41:12,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:41:12,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:41:12,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:41:12,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:41:12,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:41:12,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:41:12,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:41:12,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:41:12,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:41:12,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:41:12,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:41:12,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:41:12,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:41:12,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:41:12,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:41:12,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:41:12,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:41:12,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:41:12,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:41:12,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:41:12,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:41:12,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:41:12,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:41:12,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:41:12,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:41:12,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:41:12,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:41:12,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:41:12,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:41:12,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:41:12,847 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:41:12,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:41:12,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:41:12,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:41:12,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:41:12,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:41:12,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:41:12,850 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:41:12,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:41:12,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:41:12,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:41:12,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:41:12,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:41:12,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:41:12,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:41:12,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:41:12,853 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:41:12,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:41:12,854 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:41:12,854 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:41:12,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:41:12,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:12,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:41:12,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:41:12,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:41:12,856 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:41:12,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:41:12,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:41:12,856 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_4494f597-de18-4afe-9e1b-e9d456dc3d92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55cfdf74604724371a452c38b03dd4e25c32928e3cf25773bd571d9975e54b78 [2021-11-23 15:41:13,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:41:13,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:41:13,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:41:13,159 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:41:13,160 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:41:13,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem02_label50.c [2021-11-23 15:41:13,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/data/1d38da202/8dd6039989cf4422a753ccd64de38c59/FLAG5e276e34b [2021-11-23 15:41:13,865 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:41:13,866 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/sv-benchmarks/c/eca-rers2012/Problem02_label50.c [2021-11-23 15:41:13,877 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/data/1d38da202/8dd6039989cf4422a753ccd64de38c59/FLAG5e276e34b [2021-11-23 15:41:14,130 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/data/1d38da202/8dd6039989cf4422a753ccd64de38c59 [2021-11-23 15:41:14,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:41:14,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:41:14,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:14,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:41:14,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:41:14,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:14" (1/1) ... [2021-11-23 15:41:14,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6759d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:14, skipping insertion in model container [2021-11-23 15:41:14,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:14" (1/1) ... [2021-11-23 15:41:14,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:41:14,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:41:14,528 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_4494f597-de18-4afe-9e1b-e9d456dc3d92/sv-benchmarks/c/eca-rers2012/Problem02_label50.c[14631,14644] [2021-11-23 15:41:14,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:14,593 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:41:14,718 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_4494f597-de18-4afe-9e1b-e9d456dc3d92/sv-benchmarks/c/eca-rers2012/Problem02_label50.c[14631,14644] [2021-11-23 15:41:14,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:14,751 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:41:14,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:14 WrapperNode [2021-11-23 15:41:14,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:14,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:14,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:41:14,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:41:14,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:14" (1/1) ... [2021-11-23 15:41:14,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:14" (1/1) ... [2021-11-23 15:41:14,883 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2021-11-23 15:41:14,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:14,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:41:14,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:41:14,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:41:14,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:14" (1/1) ... [2021-11-23 15:41:14,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:14" (1/1) ... [2021-11-23 15:41:14,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:14" (1/1) ... [2021-11-23 15:41:14,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:14" (1/1) ... [2021-11-23 15:41:14,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:14" (1/1) ... [2021-11-23 15:41:14,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:14" (1/1) ... [2021-11-23 15:41:14,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:14" (1/1) ... [2021-11-23 15:41:14,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:41:14,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:41:14,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:41:14,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:41:14,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:14" (1/1) ... [2021-11-23 15:41:14,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:14,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:41:15,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:41:15,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:41:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:41:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:41:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:41:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:41:15,170 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:41:15,172 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:41:16,218 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:41:16,274 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 15:41:16,280 INFO L158 Benchmark]: Toolchain (without parser) took 2143.85ms. Allocated memory is still 94.4MB. Free memory was 71.8MB in the beginning and 50.4MB in the end (delta: 21.4MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2021-11-23 15:41:16,281 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 77.6MB. Free memory was 57.0MB in the beginning and 56.9MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:41:16,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.29ms. Allocated memory is still 94.4MB. Free memory was 71.5MB in the beginning and 51.7MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:41:16,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.73ms. Allocated memory is still 94.4MB. Free memory was 51.7MB in the beginning and 45.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:41:16,285 INFO L158 Benchmark]: Boogie Preprocessor took 62.29ms. Allocated memory is still 94.4MB. Free memory was 45.9MB in the beginning and 41.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:41:16,286 INFO L158 Benchmark]: RCFGBuilder took 1321.45ms. Allocated memory is still 94.4MB. Free memory was 41.7MB in the beginning and 50.4MB in the end (delta: -8.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-23 15:41:16,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 77.6MB. Free memory was 57.0MB in the beginning and 56.9MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.29ms. Allocated memory is still 94.4MB. Free memory was 71.5MB in the beginning and 51.7MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.73ms. Allocated memory is still 94.4MB. Free memory was 51.7MB in the beginning and 45.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.29ms. Allocated memory is still 94.4MB. Free memory was 45.9MB in the beginning and 41.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1321.45ms. Allocated memory is still 94.4MB. Free memory was 41.7MB in the beginning and 50.4MB in the end (delta: -8.7MB). Peak memory consumption was 16.0MB. 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 15:41:16,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/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_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/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_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/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_4494f597-de18-4afe-9e1b-e9d456dc3d92/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 55cfdf74604724371a452c38b03dd4e25c32928e3cf25773bd571d9975e54b78 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:41:18,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:41:18,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:41:18,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:41:18,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:41:18,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:41:18,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:41:18,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:41:18,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:41:18,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:41:18,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:41:18,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:41:18,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:41:18,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:41:18,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:41:18,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:41:18,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:41:18,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:41:18,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:41:18,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:41:18,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:41:18,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:41:18,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:41:18,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:41:18,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:41:18,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:41:18,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:41:18,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:41:18,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:41:18,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:41:18,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:41:18,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:41:18,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:41:18,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:41:18,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:41:18,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:41:18,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:41:18,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:41:18,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:41:18,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:41:18,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:41:18,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:41:18,995 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:41:18,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:41:18,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:41:18,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:41:18,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:41:18,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:41:18,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:41:18,999 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:41:19,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:41:19,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:41:19,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:41:19,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:41:19,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:41:19,002 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:41:19,002 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:41:19,002 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:41:19,003 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:41:19,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:41:19,004 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:41:19,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:41:19,004 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:41:19,009 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:41:19,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:41:19,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:19,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:41:19,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:41:19,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:41:19,011 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:41:19,012 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:41:19,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:41:19,013 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:41:19,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:41:19,013 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_4494f597-de18-4afe-9e1b-e9d456dc3d92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55cfdf74604724371a452c38b03dd4e25c32928e3cf25773bd571d9975e54b78 [2021-11-23 15:41:19,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:41:19,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:41:19,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:41:19,447 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:41:19,448 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:41:19,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem02_label50.c [2021-11-23 15:41:19,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/data/eed74285e/5c0b3912b97547e09b39a861dd35e544/FLAGb2ed884a0 [2021-11-23 15:41:20,231 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:41:20,231 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/sv-benchmarks/c/eca-rers2012/Problem02_label50.c [2021-11-23 15:41:20,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/data/eed74285e/5c0b3912b97547e09b39a861dd35e544/FLAGb2ed884a0 [2021-11-23 15:41:20,463 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/data/eed74285e/5c0b3912b97547e09b39a861dd35e544 [2021-11-23 15:41:20,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:41:20,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:41:20,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:20,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:41:20,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:41:20,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:20" (1/1) ... [2021-11-23 15:41:20,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca1e633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:20, skipping insertion in model container [2021-11-23 15:41:20,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:20" (1/1) ... [2021-11-23 15:41:20,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:41:20,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:41:20,975 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_4494f597-de18-4afe-9e1b-e9d456dc3d92/sv-benchmarks/c/eca-rers2012/Problem02_label50.c[14631,14644] [2021-11-23 15:41:21,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:21,047 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:41:21,150 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_4494f597-de18-4afe-9e1b-e9d456dc3d92/sv-benchmarks/c/eca-rers2012/Problem02_label50.c[14631,14644] [2021-11-23 15:41:21,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:21,201 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:41:21,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:21 WrapperNode [2021-11-23 15:41:21,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:21,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:21,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:41:21,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:41:21,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:21" (1/1) ... [2021-11-23 15:41:21,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:21" (1/1) ... [2021-11-23 15:41:21,337 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 666 [2021-11-23 15:41:21,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:21,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:41:21,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:41:21,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:41:21,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:21" (1/1) ... [2021-11-23 15:41:21,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:21" (1/1) ... [2021-11-23 15:41:21,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:21" (1/1) ... [2021-11-23 15:41:21,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:21" (1/1) ... [2021-11-23 15:41:21,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:21" (1/1) ... [2021-11-23 15:41:21,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:21" (1/1) ... [2021-11-23 15:41:21,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:21" (1/1) ... [2021-11-23 15:41:21,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:41:21,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:41:21,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:41:21,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:41:21,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:21" (1/1) ... [2021-11-23 15:41:21,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:21,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:41:21,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:41:21,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:41:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:41:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:41:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:41:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:41:21,665 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:41:21,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:41:22,892 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:41:22,956 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 15:41:22,965 INFO L158 Benchmark]: Toolchain (without parser) took 2493.13ms. Allocated memory was 56.6MB in the beginning and 94.4MB in the end (delta: 37.7MB). Free memory was 33.2MB in the beginning and 60.2MB in the end (delta: -27.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-11-23 15:41:22,966 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:41:22,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 729.35ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.1MB in the beginning and 35.4MB in the end (delta: -2.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:41:22,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.05ms. Allocated memory is still 69.2MB. Free memory was 35.2MB in the beginning and 47.4MB in the end (delta: -12.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 15:41:22,970 INFO L158 Benchmark]: Boogie Preprocessor took 104.52ms. Allocated memory is still 69.2MB. Free memory was 47.4MB in the beginning and 43.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:41:22,971 INFO L158 Benchmark]: RCFGBuilder took 1516.96ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 42.8MB in the beginning and 60.2MB in the end (delta: -17.4MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-11-23 15:41:22,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 729.35ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.1MB in the beginning and 35.4MB in the end (delta: -2.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.05ms. Allocated memory is still 69.2MB. Free memory was 35.2MB in the beginning and 47.4MB in the end (delta: -12.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.52ms. Allocated memory is still 69.2MB. Free memory was 47.4MB in the beginning and 43.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1516.96ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 42.8MB in the beginning and 60.2MB in the end (delta: -17.4MB). Peak memory consumption was 18.4MB. 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 15:41:23,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4494f597-de18-4afe-9e1b-e9d456dc3d92/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