./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label20.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_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/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_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/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_c002cc80-390b-4d99-aed5-648e60985dd6/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 270a8c73bc7d9e9639eeb25f37db1c00f9bf9fa2d12a97f4c4992b09daa4f118 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:36,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:36,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:36,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:36,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:36,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:36,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:36,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:36,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:36,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:36,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:36,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:36,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:36,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:36,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:36,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:36,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:36,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:36,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:36,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:36,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:36,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:36,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:36,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:36,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:36,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:36,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:36,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:36,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:36,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:36,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:36,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:36,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:36,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:36,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:36,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:36,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:36,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:36,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:36,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:36,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:36,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:36,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:36,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:36,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:36,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:36,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:36,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:36,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:36,648 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:36,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:36,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:36,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:36,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:36,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:36,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:36,650 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:36,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:36,651 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:36,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:36,651 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:36,651 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:36,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:36,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:36,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:36,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:36,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:36,653 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:36,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:36,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:36,654 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_c002cc80-390b-4d99-aed5-648e60985dd6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 270a8c73bc7d9e9639eeb25f37db1c00f9bf9fa2d12a97f4c4992b09daa4f118 [2021-11-23 15:03:36,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:36,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:36,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:37,001 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:37,004 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:37,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem06_label20.c [2021-11-23 15:03:37,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/data/9fe790c8d/5ed39611f2194dc3876a2a9e2dee2a74/FLAG7a1e5512c [2021-11-23 15:03:38,143 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:38,145 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/sv-benchmarks/c/eca-rers2012/Problem06_label20.c [2021-11-23 15:03:38,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/data/9fe790c8d/5ed39611f2194dc3876a2a9e2dee2a74/FLAG7a1e5512c [2021-11-23 15:03:38,502 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/data/9fe790c8d/5ed39611f2194dc3876a2a9e2dee2a74 [2021-11-23 15:03:38,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:38,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:38,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:38,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:38,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:38,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:38" (1/1) ... [2021-11-23 15:03:38,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7009dcfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:38, skipping insertion in model container [2021-11-23 15:03:38,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:38" (1/1) ... [2021-11-23 15:03:38,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:38,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:41,197 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_c002cc80-390b-4d99-aed5-648e60985dd6/sv-benchmarks/c/eca-rers2012/Problem06_label20.c[332051,332064] [2021-11-23 15:03:41,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:41,267 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:42,454 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_c002cc80-390b-4d99-aed5-648e60985dd6/sv-benchmarks/c/eca-rers2012/Problem06_label20.c[332051,332064] [2021-11-23 15:03:42,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:42,522 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:42,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:42 WrapperNode [2021-11-23 15:03:42,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:42,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:42,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:42,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:42,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:42" (1/1) ... [2021-11-23 15:03:42,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:42" (1/1) ... [2021-11-23 15:03:43,119 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10173 [2021-11-23 15:03:43,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:43,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:43,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:43,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:43,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:42" (1/1) ... [2021-11-23 15:03:43,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:42" (1/1) ... [2021-11-23 15:03:43,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:42" (1/1) ... [2021-11-23 15:03:43,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:42" (1/1) ... [2021-11-23 15:03:43,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:42" (1/1) ... [2021-11-23 15:03:43,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:42" (1/1) ... [2021-11-23 15:03:43,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:42" (1/1) ... [2021-11-23 15:03:43,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:43,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:43,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:43,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:43,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:42" (1/1) ... [2021-11-23 15:03:43,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:43,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:43,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:43,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:44,106 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:44,108 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:50,454 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:50,541 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:50,550 INFO L158 Benchmark]: Toolchain (without parser) took 12043.74ms. Allocated memory was 140.5MB in the beginning and 704.6MB in the end (delta: 564.1MB). Free memory was 102.8MB in the beginning and 472.2MB in the end (delta: -369.5MB). Peak memory consumption was 338.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:50,551 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:50,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4016.40ms. Allocated memory was 140.5MB in the beginning and 218.1MB in the end (delta: 77.6MB). Free memory was 102.1MB in the beginning and 83.6MB in the end (delta: 18.5MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:50,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 595.50ms. Allocated memory is still 218.1MB. Free memory was 83.6MB in the beginning and 95.9MB in the end (delta: -12.3MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2021-11-23 15:03:50,558 INFO L158 Benchmark]: Boogie Preprocessor took 787.52ms. Allocated memory was 218.1MB in the beginning and 381.7MB in the end (delta: 163.6MB). Free memory was 95.9MB in the beginning and 221.6MB in the end (delta: -125.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:50,559 INFO L158 Benchmark]: RCFGBuilder took 6637.95ms. Allocated memory was 381.7MB in the beginning and 704.6MB in the end (delta: 323.0MB). Free memory was 221.6MB in the beginning and 472.2MB in the end (delta: -250.7MB). Peak memory consumption was 215.9MB. Max. memory is 16.1GB. [2021-11-23 15:03:50,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4016.40ms. Allocated memory was 140.5MB in the beginning and 218.1MB in the end (delta: 77.6MB). Free memory was 102.1MB in the beginning and 83.6MB in the end (delta: 18.5MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 595.50ms. Allocated memory is still 218.1MB. Free memory was 83.6MB in the beginning and 95.9MB in the end (delta: -12.3MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 787.52ms. Allocated memory was 218.1MB in the beginning and 381.7MB in the end (delta: 163.6MB). Free memory was 95.9MB in the beginning and 221.6MB in the end (delta: -125.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6637.95ms. Allocated memory was 381.7MB in the beginning and 704.6MB in the end (delta: 323.0MB). Free memory was 221.6MB in the beginning and 472.2MB in the end (delta: -250.7MB). Peak memory consumption was 215.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:50,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/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_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/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_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/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_c002cc80-390b-4d99-aed5-648e60985dd6/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 270a8c73bc7d9e9639eeb25f37db1c00f9bf9fa2d12a97f4c4992b09daa4f118 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:53,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:53,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:53,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:53,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:53,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:53,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:53,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:53,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:53,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:53,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:53,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:53,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:53,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:53,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:53,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:53,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:53,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:53,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:53,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:53,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:53,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:53,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:53,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:53,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:53,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:53,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:53,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:53,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:53,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:53,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:53,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:53,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:53,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:53,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:53,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:53,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:53,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:53,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:53,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:53,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:53,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:53,537 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:53,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:53,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:53,540 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:53,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:53,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:53,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:53,542 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:53,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:53,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:53,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:53,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:53,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:53,545 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:53,545 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:53,545 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:53,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:53,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:53,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:53,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:53,547 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:53,547 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:53,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:53,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:53,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:53,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:53,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:53,548 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:53,549 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:53,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:53,549 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:53,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:53,550 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_c002cc80-390b-4d99-aed5-648e60985dd6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 270a8c73bc7d9e9639eeb25f37db1c00f9bf9fa2d12a97f4c4992b09daa4f118 [2021-11-23 15:03:53,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:54,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:54,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:54,030 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:54,031 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:54,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem06_label20.c [2021-11-23 15:03:54,130 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/data/9427ddf85/cf9fb18c914c46c392cb0333b729c322/FLAG4fb78bff5 [2021-11-23 15:03:55,366 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:55,367 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/sv-benchmarks/c/eca-rers2012/Problem06_label20.c [2021-11-23 15:03:55,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/data/9427ddf85/cf9fb18c914c46c392cb0333b729c322/FLAG4fb78bff5 [2021-11-23 15:03:55,701 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/data/9427ddf85/cf9fb18c914c46c392cb0333b729c322 [2021-11-23 15:03:55,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:55,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:55,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:55,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:55,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:55,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:55" (1/1) ... [2021-11-23 15:03:55,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75585263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:55, skipping insertion in model container [2021-11-23 15:03:55,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:55" (1/1) ... [2021-11-23 15:03:55,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:56,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:58,582 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_c002cc80-390b-4d99-aed5-648e60985dd6/sv-benchmarks/c/eca-rers2012/Problem06_label20.c[332051,332064] [2021-11-23 15:03:58,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:58,631 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:00,146 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_c002cc80-390b-4d99-aed5-648e60985dd6/sv-benchmarks/c/eca-rers2012/Problem06_label20.c[332051,332064] [2021-11-23 15:04:00,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:00,229 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:00,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00 WrapperNode [2021-11-23 15:04:00,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:00,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:00,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:00,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:00,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:00,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:00,979 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10167 [2021-11-23 15:04:00,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:00,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:00,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:00,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:01,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:01,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:01,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:01,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:01,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:01,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:01,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:01,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:02,048 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:02,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:11,257 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:11,324 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 15:04:11,329 INFO L158 Benchmark]: Toolchain (without parser) took 15621.29ms. Allocated memory was 60.8MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 24.7MB in the beginning and 995.4MB in the end (delta: -970.7MB). Peak memory consumption was 340.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:11,330 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 60.8MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:11,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4519.68ms. Allocated memory was 60.8MB in the beginning and 161.5MB in the end (delta: 100.7MB). Free memory was 24.4MB in the beginning and 65.0MB in the end (delta: -40.5MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:11,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 762.36ms. Allocated memory was 161.5MB in the beginning and 316.7MB in the end (delta: 155.2MB). Free memory was 65.0MB in the beginning and 189.4MB in the end (delta: -124.5MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:11,333 INFO L158 Benchmark]: Boogie Preprocessor took 791.08ms. Allocated memory is still 316.7MB. Free memory was 189.4MB in the beginning and 178.6MB in the end (delta: 10.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:11,334 INFO L158 Benchmark]: RCFGBuilder took 9506.67ms. Allocated memory was 316.7MB in the beginning and 1.3GB in the end (delta: 943.7MB). Free memory was 188.0MB in the beginning and 996.4MB in the end (delta: -808.4MB). Peak memory consumption was 247.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:11,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 60.8MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4519.68ms. Allocated memory was 60.8MB in the beginning and 161.5MB in the end (delta: 100.7MB). Free memory was 24.4MB in the beginning and 65.0MB in the end (delta: -40.5MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 762.36ms. Allocated memory was 161.5MB in the beginning and 316.7MB in the end (delta: 155.2MB). Free memory was 65.0MB in the beginning and 189.4MB in the end (delta: -124.5MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 791.08ms. Allocated memory is still 316.7MB. Free memory was 189.4MB in the beginning and 178.6MB in the end (delta: 10.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * RCFGBuilder took 9506.67ms. Allocated memory was 316.7MB in the beginning and 1.3GB in the end (delta: 943.7MB). Free memory was 188.0MB in the beginning and 996.4MB in the end (delta: -808.4MB). Peak memory consumption was 247.5MB. 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 15:04:11,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c002cc80-390b-4d99-aed5-648e60985dd6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable