./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label22.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_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/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_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/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_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/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 4813005008457a5d4e6ae5277d71ca9796b28c553541eb8e67cfaf33286f04c4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:41:09,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:41:09,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:41:09,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:41:09,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:41:09,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:41:09,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:41:09,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:41:09,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:41:09,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:41:09,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:41:09,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:41:09,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:41:09,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:41:09,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:41:09,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:41:09,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:41:09,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:41:09,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:41:09,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:41:09,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:41:09,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:41:09,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:41:09,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:41:09,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:41:09,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:41:09,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:41:09,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:41:09,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:41:09,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:41:09,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:41:09,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:41:09,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:41:09,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:41:09,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:41:09,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:41:09,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:41:09,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:41:09,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:41:09,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:41:09,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:41:09,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:41:09,850 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:41:09,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:41:09,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:41:09,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:41:09,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:41:09,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:41:09,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:41:09,853 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:41:09,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:41:09,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:41:09,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:41:09,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:41:09,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:41:09,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:41:09,854 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:41:09,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:41:09,854 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:41:09,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:41:09,860 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:41:09,860 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:41:09,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:41:09,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:09,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:41:09,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:41:09,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:41:09,861 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:41:09,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:41:09,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:41:09,863 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_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4813005008457a5d4e6ae5277d71ca9796b28c553541eb8e67cfaf33286f04c4 [2021-11-23 15:41:10,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:41:10,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:41:10,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:41:10,142 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:41:10,143 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:41:10,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem17_label22.c [2021-11-23 15:41:10,226 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/data/7e9bd5641/d7a6485864ce4253b7773fcdedbabec9/FLAGa4926f1f2 [2021-11-23 15:41:10,943 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:41:10,944 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/sv-benchmarks/c/eca-rers2012/Problem17_label22.c [2021-11-23 15:41:11,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/data/7e9bd5641/d7a6485864ce4253b7773fcdedbabec9/FLAGa4926f1f2 [2021-11-23 15:41:11,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/data/7e9bd5641/d7a6485864ce4253b7773fcdedbabec9 [2021-11-23 15:41:11,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:41:11,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:41:11,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:11,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:41:11,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:41:11,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:11" (1/1) ... [2021-11-23 15:41:11,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5635f8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:11, skipping insertion in model container [2021-11-23 15:41:11,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:11" (1/1) ... [2021-11-23 15:41:11,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:41:11,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:41:11,441 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_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/sv-benchmarks/c/eca-rers2012/Problem17_label22.c[7589,7602] [2021-11-23 15:41:12,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:12,266 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:41:12,308 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_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/sv-benchmarks/c/eca-rers2012/Problem17_label22.c[7589,7602] [2021-11-23 15:41:12,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:12,875 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:41:12,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:12 WrapperNode [2021-11-23 15:41:12,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:12,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:12,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:41:12,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:41:12,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:12" (1/1) ... [2021-11-23 15:41:12,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:12" (1/1) ... [2021-11-23 15:41:13,337 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2611 [2021-11-23 15:41:13,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:13,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:41:13,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:41:13,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:41:13,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:12" (1/1) ... [2021-11-23 15:41:13,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:12" (1/1) ... [2021-11-23 15:41:13,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:12" (1/1) ... [2021-11-23 15:41:13,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:12" (1/1) ... [2021-11-23 15:41:13,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:12" (1/1) ... [2021-11-23 15:41:13,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:12" (1/1) ... [2021-11-23 15:41:13,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:12" (1/1) ... [2021-11-23 15:41:13,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:41:13,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:41:13,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:41:13,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:41:13,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:12" (1/1) ... [2021-11-23 15:41:13,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:13,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:41:13,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:41:13,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:41:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:41:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:41:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:41:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:41:14,010 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:41:14,012 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:41:17,944 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:41:18,004 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 15:41:18,011 INFO L158 Benchmark]: Toolchain (without parser) took 6942.22ms. Allocated memory was 125.8MB in the beginning and 320.9MB in the end (delta: 195.0MB). Free memory was 80.5MB in the beginning and 176.3MB in the end (delta: -95.7MB). Peak memory consumption was 155.6MB. Max. memory is 16.1GB. [2021-11-23 15:41:18,013 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory was 98.6MB in the beginning and 98.5MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:41:18,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1808.31ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 80.5MB in the beginning and 77.7MB in the end (delta: 2.9MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2021-11-23 15:41:18,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 460.17ms. Allocated memory is still 163.6MB. Free memory was 77.7MB in the beginning and 69.8MB in the end (delta: 7.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2021-11-23 15:41:18,017 INFO L158 Benchmark]: Boogie Preprocessor took 480.02ms. Allocated memory was 163.6MB in the beginning and 320.9MB in the end (delta: 157.3MB). Free memory was 69.8MB in the beginning and 227.9MB in the end (delta: -158.1MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2021-11-23 15:41:18,018 INFO L158 Benchmark]: RCFGBuilder took 4188.30ms. Allocated memory is still 320.9MB. Free memory was 227.9MB in the beginning and 176.3MB in the end (delta: 51.6MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. [2021-11-23 15:41:18,027 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory was 98.6MB in the beginning and 98.5MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1808.31ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 80.5MB in the beginning and 77.7MB in the end (delta: 2.9MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 460.17ms. Allocated memory is still 163.6MB. Free memory was 77.7MB in the beginning and 69.8MB in the end (delta: 7.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 480.02ms. Allocated memory was 163.6MB in the beginning and 320.9MB in the end (delta: 157.3MB). Free memory was 69.8MB in the beginning and 227.9MB in the end (delta: -158.1MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4188.30ms. Allocated memory is still 320.9MB. Free memory was 227.9MB in the beginning and 176.3MB in the end (delta: 51.6MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:41:18,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/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_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/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_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/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_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/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 4813005008457a5d4e6ae5277d71ca9796b28c553541eb8e67cfaf33286f04c4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:41:20,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:41:20,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:41:20,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:41:20,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:41:20,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:41:20,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:41:20,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:41:20,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:41:20,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:41:20,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:41:20,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:41:20,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:41:20,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:41:20,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:41:20,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:41:20,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:41:20,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:41:20,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:41:20,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:41:20,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:41:20,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:41:20,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:41:20,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:41:20,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:41:20,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:41:20,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:41:20,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:41:20,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:41:20,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:41:20,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:41:20,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:41:20,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:41:20,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:41:20,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:41:20,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:41:20,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:41:20,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:41:20,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:41:20,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:41:20,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:41:20,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:41:20,511 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:41:20,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:41:20,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:41:20,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:41:20,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:41:20,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:41:20,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:41:20,515 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:41:20,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:41:20,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:41:20,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:41:20,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:41:20,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:41:20,518 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:41:20,518 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:41:20,518 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:41:20,519 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:41:20,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:41:20,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:41:20,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:41:20,520 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:41:20,520 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:41:20,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:41:20,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:20,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:41:20,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:41:20,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:41:20,521 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:41:20,522 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:41:20,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:41:20,522 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:41:20,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:41:20,523 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_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4813005008457a5d4e6ae5277d71ca9796b28c553541eb8e67cfaf33286f04c4 [2021-11-23 15:41:20,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:41:20,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:41:20,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:41:20,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:41:20,977 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:41:20,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem17_label22.c [2021-11-23 15:41:21,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/data/d7aef2d0e/c1c09ad2fd2242989ee718abab3177a9/FLAG4b3b203de [2021-11-23 15:41:21,813 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:41:21,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/sv-benchmarks/c/eca-rers2012/Problem17_label22.c [2021-11-23 15:41:21,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/data/d7aef2d0e/c1c09ad2fd2242989ee718abab3177a9/FLAG4b3b203de [2021-11-23 15:41:21,917 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/data/d7aef2d0e/c1c09ad2fd2242989ee718abab3177a9 [2021-11-23 15:41:21,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:41:21,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:41:21,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:21,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:41:21,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:41:21,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:21" (1/1) ... [2021-11-23 15:41:21,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e79c680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:21, skipping insertion in model container [2021-11-23 15:41:21,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:21" (1/1) ... [2021-11-23 15:41:21,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:41:22,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:41:22,403 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_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/sv-benchmarks/c/eca-rers2012/Problem17_label22.c[7589,7602] [2021-11-23 15:41:23,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:23,259 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:41:23,305 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_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/sv-benchmarks/c/eca-rers2012/Problem17_label22.c[7589,7602] [2021-11-23 15:41:23,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:23,871 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:41:23,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:23 WrapperNode [2021-11-23 15:41:23,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:23,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:23,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:41:23,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:41:23,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:23" (1/1) ... [2021-11-23 15:41:23,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:23" (1/1) ... [2021-11-23 15:41:24,093 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2608 [2021-11-23 15:41:24,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:24,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:41:24,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:41:24,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:41:24,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:23" (1/1) ... [2021-11-23 15:41:24,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:23" (1/1) ... [2021-11-23 15:41:24,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:23" (1/1) ... [2021-11-23 15:41:24,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:23" (1/1) ... [2021-11-23 15:41:24,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:23" (1/1) ... [2021-11-23 15:41:24,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:23" (1/1) ... [2021-11-23 15:41:24,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:23" (1/1) ... [2021-11-23 15:41:24,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:41:24,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:41:24,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:41:24,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:41:24,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:23" (1/1) ... [2021-11-23 15:41:24,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:24,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:41:24,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:41:24,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:41:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:41:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:41:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:41:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:41:24,417 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:41:24,419 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:41:55,885 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:41:55,950 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 15:41:55,958 INFO L158 Benchmark]: Toolchain (without parser) took 34032.04ms. Allocated memory was 94.4MB in the beginning and 182.5MB in the end (delta: 88.1MB). Free memory was 75.3MB in the beginning and 105.4MB in the end (delta: -30.1MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. [2021-11-23 15:41:55,959 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:41:55,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1946.10ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 75.0MB in the beginning and 60.7MB in the end (delta: 14.3MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2021-11-23 15:41:55,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 219.99ms. Allocated memory is still 132.1MB. Free memory was 60.7MB in the beginning and 76.4MB in the end (delta: -15.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 15:41:55,964 INFO L158 Benchmark]: Boogie Preprocessor took 167.83ms. Allocated memory is still 132.1MB. Free memory was 76.4MB in the beginning and 59.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:41:55,965 INFO L158 Benchmark]: RCFGBuilder took 31690.86ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 59.6MB in the beginning and 105.4MB in the end (delta: -45.8MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2021-11-23 15:41:55,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1946.10ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 75.0MB in the beginning and 60.7MB in the end (delta: 14.3MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 219.99ms. Allocated memory is still 132.1MB. Free memory was 60.7MB in the beginning and 76.4MB in the end (delta: -15.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 167.83ms. Allocated memory is still 132.1MB. Free memory was 76.4MB in the beginning and 59.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 31690.86ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 59.6MB in the beginning and 105.4MB in the end (delta: -45.8MB). Peak memory consumption was 52.5MB. 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 15:41:56,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddb68251-cfde-4b10-b7cd-5a1d7a0e75bd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable