./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label42.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_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/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_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/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_80970388-ec4f-4b01-bfb4-1bd3ed819510/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 07b24adb8d1690a690440be2a1429dd427e8718e8ee7383841282dfd2e0d0b82 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:17,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:17,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:17,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:17,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:17,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:17,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:17,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:17,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:17,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:17,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:17,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:17,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:17,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:17,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:17,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:17,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:17,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:17,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:17,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:17,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:17,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:17,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:17,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:17,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:17,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:17,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:17,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:17,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:17,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:17,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:17,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:17,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:17,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:17,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:17,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:17,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:17,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:17,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:17,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:17,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:17,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:17,782 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:17,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:17,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:17,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:17,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:17,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:17,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:17,785 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:17,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:17,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:17,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:17,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:17,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:17,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:17,787 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:17,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:17,787 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:17,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:17,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:17,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:17,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:17,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:17,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:17,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:17,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:17,789 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:17,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:17,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:17,790 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_80970388-ec4f-4b01-bfb4-1bd3ed819510/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07b24adb8d1690a690440be2a1429dd427e8718e8ee7383841282dfd2e0d0b82 [2021-11-23 15:58:18,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:18,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:18,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:18,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:18,052 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:18,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label42.c [2021-11-23 15:58:18,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/data/41c7fa879/bf811d582de547d4bd0bb7ff376a5107/FLAGb1baccfce [2021-11-23 15:58:19,129 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:19,130 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/sv-benchmarks/c/eca-rers2012/Problem19_label42.c [2021-11-23 15:58:19,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/data/41c7fa879/bf811d582de547d4bd0bb7ff376a5107/FLAGb1baccfce [2021-11-23 15:58:19,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/data/41c7fa879/bf811d582de547d4bd0bb7ff376a5107 [2021-11-23 15:58:19,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:19,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:19,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:19,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:19,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:19,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:19" (1/1) ... [2021-11-23 15:58:19,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4387c86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:19, skipping insertion in model container [2021-11-23 15:58:19,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:19" (1/1) ... [2021-11-23 15:58:19,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:19,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:20,059 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_80970388-ec4f-4b01-bfb4-1bd3ed819510/sv-benchmarks/c/eca-rers2012/Problem19_label42.c[1692,1705] [2021-11-23 15:58:21,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:21,799 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:21,824 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_80970388-ec4f-4b01-bfb4-1bd3ed819510/sv-benchmarks/c/eca-rers2012/Problem19_label42.c[1692,1705] [2021-11-23 15:58:22,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:23,006 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:23,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:23 WrapperNode [2021-11-23 15:58:23,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:23,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:23,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:23,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:23,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:23" (1/1) ... [2021-11-23 15:58:23,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:23" (1/1) ... [2021-11-23 15:58:24,362 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9425 [2021-11-23 15:58:24,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:24,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:24,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:24,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:24,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:23" (1/1) ... [2021-11-23 15:58:24,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:23" (1/1) ... [2021-11-23 15:58:24,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:23" (1/1) ... [2021-11-23 15:58:24,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:23" (1/1) ... [2021-11-23 15:58:25,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:23" (1/1) ... [2021-11-23 15:58:25,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:23" (1/1) ... [2021-11-23 15:58:25,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:23" (1/1) ... [2021-11-23 15:58:25,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:25,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:25,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:25,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:25,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:23" (1/1) ... [2021-11-23 15:58:25,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:25,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:25,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:25,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:25,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:25,983 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:25,984 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:35,296 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:35,372 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 15:58:35,378 INFO L158 Benchmark]: Toolchain (without parser) took 15895.97ms. Allocated memory was 111.1MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 72.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 716.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:35,379 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:35,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3523.45ms. Allocated memory was 111.1MB in the beginning and 188.7MB in the end (delta: 77.6MB). Free memory was 72.9MB in the beginning and 72.1MB in the end (delta: 789.6kB). Peak memory consumption was 95.7MB. Max. memory is 16.1GB. [2021-11-23 15:58:35,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 1355.46ms. Allocated memory was 188.7MB in the beginning and 312.5MB in the end (delta: 123.7MB). Free memory was 72.1MB in the beginning and 137.2MB in the end (delta: -65.1MB). Peak memory consumption was 112.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:35,383 INFO L158 Benchmark]: Boogie Preprocessor took 1426.23ms. Allocated memory was 312.5MB in the beginning and 713.0MB in the end (delta: 400.6MB). Free memory was 137.2MB in the beginning and 490.4MB in the end (delta: -353.2MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:35,384 INFO L158 Benchmark]: RCFGBuilder took 9584.77ms. Allocated memory was 713.0MB in the beginning and 1.4GB in the end (delta: 734.0MB). Free memory was 490.4MB in the beginning and 1.2GB in the end (delta: -671.2MB). Peak memory consumption was 535.7MB. Max. memory is 16.1GB. [2021-11-23 15:58:35,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3523.45ms. Allocated memory was 111.1MB in the beginning and 188.7MB in the end (delta: 77.6MB). Free memory was 72.9MB in the beginning and 72.1MB in the end (delta: 789.6kB). Peak memory consumption was 95.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1355.46ms. Allocated memory was 188.7MB in the beginning and 312.5MB in the end (delta: 123.7MB). Free memory was 72.1MB in the beginning and 137.2MB in the end (delta: -65.1MB). Peak memory consumption was 112.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1426.23ms. Allocated memory was 312.5MB in the beginning and 713.0MB in the end (delta: 400.6MB). Free memory was 137.2MB in the beginning and 490.4MB in the end (delta: -353.2MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. * RCFGBuilder took 9584.77ms. Allocated memory was 713.0MB in the beginning and 1.4GB in the end (delta: 734.0MB). Free memory was 490.4MB in the beginning and 1.2GB in the end (delta: -671.2MB). Peak memory consumption was 535.7MB. 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 15:58:35,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/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_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/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_80970388-ec4f-4b01-bfb4-1bd3ed819510/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 07b24adb8d1690a690440be2a1429dd427e8718e8ee7383841282dfd2e0d0b82 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:37,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:37,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:38,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:38,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:38,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:38,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:38,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:38,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:38,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:38,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:38,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:38,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:38,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:38,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:38,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:38,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:38,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:38,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:38,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:38,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:38,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:38,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:38,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:38,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:38,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:38,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:38,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:38,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:38,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:38,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:38,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:38,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:38,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:38,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:38,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:38,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:38,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:38,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:38,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:38,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:38,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:38,077 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:38,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:38,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:38,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:38,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:38,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:38,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:38,080 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:38,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:38,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:38,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:38,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:38,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:38,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:38,081 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:38,081 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:38,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:38,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:38,082 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:38,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:38,082 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:38,082 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:38,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:38,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:38,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:38,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:38,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:38,084 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:38,084 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:38,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:38,084 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:38,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:38,085 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_80970388-ec4f-4b01-bfb4-1bd3ed819510/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07b24adb8d1690a690440be2a1429dd427e8718e8ee7383841282dfd2e0d0b82 [2021-11-23 15:58:38,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:38,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:38,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:38,485 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:38,486 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:38,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label42.c [2021-11-23 15:58:38,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/data/61f8c6b26/15ed01576d4846fcbd53043d7382fd89/FLAG7e7d4c873 [2021-11-23 15:58:39,672 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:39,673 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/sv-benchmarks/c/eca-rers2012/Problem19_label42.c [2021-11-23 15:58:39,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/data/61f8c6b26/15ed01576d4846fcbd53043d7382fd89/FLAG7e7d4c873 [2021-11-23 15:58:39,972 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/data/61f8c6b26/15ed01576d4846fcbd53043d7382fd89 [2021-11-23 15:58:39,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:39,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:39,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:39,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:39,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:39,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e07d413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39, skipping insertion in model container [2021-11-23 15:58:39,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:40,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:40,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:40,480 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_80970388-ec4f-4b01-bfb4-1bd3ed819510/sv-benchmarks/c/eca-rers2012/Problem19_label42.c[1692,1705] [2021-11-23 15:58:42,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:42,571 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:42,600 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_80970388-ec4f-4b01-bfb4-1bd3ed819510/sv-benchmarks/c/eca-rers2012/Problem19_label42.c[1692,1705] [2021-11-23 15:58:43,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:43,863 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:43,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43 WrapperNode [2021-11-23 15:58:43,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:43,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:43,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:43,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:43,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:44,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:44,359 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9418 [2021-11-23 15:58:44,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:44,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:44,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:44,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:44,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:44,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:44,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:44,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:44,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:44,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:45,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:45,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:45,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:45,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:45,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:45,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:45,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:45,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:45,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:45,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:45,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:45,416 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:45,418 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:45,108 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:45,173 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 15:59:45,178 INFO L158 Benchmark]: Toolchain (without parser) took 65199.02ms. Allocated memory was 83.9MB in the beginning and 851.4MB in the end (delta: 767.6MB). Free memory was 52.0MB in the beginning and 649.4MB in the end (delta: -597.4MB). Peak memory consumption was 589.2MB. Max. memory is 16.1GB. [2021-11-23 15:59:45,179 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:45,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3872.65ms. Allocated memory was 83.9MB in the beginning and 211.8MB in the end (delta: 127.9MB). Free memory was 51.8MB in the beginning and 100.9MB in the end (delta: -49.1MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:45,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 493.75ms. Allocated memory is still 211.8MB. Free memory was 100.9MB in the beginning and 82.9MB in the end (delta: 18.1MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:45,182 INFO L158 Benchmark]: Boogie Preprocessor took 790.38ms. Allocated memory was 211.8MB in the beginning and 425.7MB in the end (delta: 213.9MB). Free memory was 82.9MB in the beginning and 272.9MB in the end (delta: -190.1MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:45,183 INFO L158 Benchmark]: RCFGBuilder took 60024.66ms. Allocated memory was 425.7MB in the beginning and 851.4MB in the end (delta: 425.7MB). Free memory was 272.9MB in the beginning and 649.4MB in the end (delta: -376.4MB). Peak memory consumption was 467.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:45,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3872.65ms. Allocated memory was 83.9MB in the beginning and 211.8MB in the end (delta: 127.9MB). Free memory was 51.8MB in the beginning and 100.9MB in the end (delta: -49.1MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 493.75ms. Allocated memory is still 211.8MB. Free memory was 100.9MB in the beginning and 82.9MB in the end (delta: 18.1MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 790.38ms. Allocated memory was 211.8MB in the beginning and 425.7MB in the end (delta: 213.9MB). Free memory was 82.9MB in the beginning and 272.9MB in the end (delta: -190.1MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * RCFGBuilder took 60024.66ms. Allocated memory was 425.7MB in the beginning and 851.4MB in the end (delta: 425.7MB). Free memory was 272.9MB in the beginning and 649.4MB in the end (delta: -376.4MB). Peak memory consumption was 467.7MB. 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 15:59:45,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80970388-ec4f-4b01-bfb4-1bd3ed819510/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