./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label21.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_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/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_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/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_72256ad9-6a62-4906-a892-071b7fe4e66d/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 65d8d3945381d661ce5474c3cff9730baeab9a2acda6eca872378ca6ce467896 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:11,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:11,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:11,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:11,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:11,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:11,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:11,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:11,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:11,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:11,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:11,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:11,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:11,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:11,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:11,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:11,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:11,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:11,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:11,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:11,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:11,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:11,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:11,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:11,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:11,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:11,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:11,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:11,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:11,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:11,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:11,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:11,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:11,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:11,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:11,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:11,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:11,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:11,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:11,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:11,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:11,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:11,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:11,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:11,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:11,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:11,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:11,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:11,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:11,615 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:11,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:11,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:11,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:11,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:11,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:11,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:11,618 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:11,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:11,619 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:11,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:11,619 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:11,620 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:11,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:11,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:11,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:11,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:11,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:11,622 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:11,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:11,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:11,623 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_72256ad9-6a62-4906-a892-071b7fe4e66d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d8d3945381d661ce5474c3cff9730baeab9a2acda6eca872378ca6ce467896 [2021-11-23 15:03:11,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:11,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:11,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:11,954 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:11,955 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:11,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2021-11-23 15:03:12,025 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/data/c6b89f77c/550a924fb11947cfbd813e50dab4ce44/FLAG926f0952c [2021-11-23 15:03:12,762 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:12,763 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2021-11-23 15:03:12,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/data/c6b89f77c/550a924fb11947cfbd813e50dab4ce44/FLAG926f0952c [2021-11-23 15:03:12,886 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/data/c6b89f77c/550a924fb11947cfbd813e50dab4ce44 [2021-11-23 15:03:12,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:12,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:12,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:12,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:12,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:12,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:12" (1/1) ... [2021-11-23 15:03:12,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6708f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:12, skipping insertion in model container [2021-11-23 15:03:12,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:12" (1/1) ... [2021-11-23 15:03:12,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:12,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:13,210 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_72256ad9-6a62-4906-a892-071b7fe4e66d/sv-benchmarks/c/eca-rers2012/Problem16_label21.c[4121,4134] [2021-11-23 15:03:13,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:13,742 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:13,784 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_72256ad9-6a62-4906-a892-071b7fe4e66d/sv-benchmarks/c/eca-rers2012/Problem16_label21.c[4121,4134] [2021-11-23 15:03:14,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:14,021 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:14,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14 WrapperNode [2021-11-23 15:03:14,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:14,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:14,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:14,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:14,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,229 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-11-23 15:03:14,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:14,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:14,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:14,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:14,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:14,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:14,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:14,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:14,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:14,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:14,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:14,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:14,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:14,693 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:14,694 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:16,844 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:16,935 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 15:03:16,941 INFO L158 Benchmark]: Toolchain (without parser) took 4047.44ms. Allocated memory was 98.6MB in the beginning and 241.2MB in the end (delta: 142.6MB). Free memory was 72.3MB in the beginning and 185.6MB in the end (delta: -113.3MB). Peak memory consumption was 117.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:16,943 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory was 74.4MB in the beginning and 74.4MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:16,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1128.99ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 72.3MB in the beginning and 98.7MB in the end (delta: -26.4MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:16,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 205.99ms. Allocated memory is still 140.5MB. Free memory was 98.7MB in the beginning and 75.0MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:16,947 INFO L158 Benchmark]: Boogie Preprocessor took 239.52ms. Allocated memory is still 140.5MB. Free memory was 75.0MB in the beginning and 90.0MB in the end (delta: -15.0MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:16,948 INFO L158 Benchmark]: RCFGBuilder took 2464.67ms. Allocated memory was 140.5MB in the beginning and 241.2MB in the end (delta: 100.7MB). Free memory was 90.0MB in the beginning and 185.6MB in the end (delta: -95.6MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:16,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory was 74.4MB in the beginning and 74.4MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1128.99ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 72.3MB in the beginning and 98.7MB in the end (delta: -26.4MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 205.99ms. Allocated memory is still 140.5MB. Free memory was 98.7MB in the beginning and 75.0MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 239.52ms. Allocated memory is still 140.5MB. Free memory was 75.0MB in the beginning and 90.0MB in the end (delta: -15.0MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2464.67ms. Allocated memory was 140.5MB in the beginning and 241.2MB in the end (delta: 100.7MB). Free memory was 90.0MB in the beginning and 185.6MB in the end (delta: -95.6MB). Peak memory consumption was 94.6MB. 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 15:03:16,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/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_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/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_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/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_72256ad9-6a62-4906-a892-071b7fe4e66d/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 65d8d3945381d661ce5474c3cff9730baeab9a2acda6eca872378ca6ce467896 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:19,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:19,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:19,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:19,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:19,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:19,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:19,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:19,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:19,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:19,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:19,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:19,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:19,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:19,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:19,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:19,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:19,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:19,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:19,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:19,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:19,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:19,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:19,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:19,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:19,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:19,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:19,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:19,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:19,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:19,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:19,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:19,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:19,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:19,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:19,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:19,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:19,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:19,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:19,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:19,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:19,651 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:19,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:19,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:19,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:19,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:19,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:19,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:19,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:19,698 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:19,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:19,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:19,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:19,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:19,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:19,701 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:19,701 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:19,701 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:19,701 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:19,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:19,702 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:19,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:19,702 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:19,703 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:19,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:19,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:19,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:19,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:19,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:19,704 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:19,704 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:19,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:19,705 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:19,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:19,705 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_72256ad9-6a62-4906-a892-071b7fe4e66d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d8d3945381d661ce5474c3cff9730baeab9a2acda6eca872378ca6ce467896 [2021-11-23 15:03:20,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:20,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:20,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:20,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:20,122 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:20,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2021-11-23 15:03:20,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/data/a177f9c87/a80a0f010b304f2cb3368844dc259789/FLAG9a4364f76 [2021-11-23 15:03:20,971 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:20,972 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/sv-benchmarks/c/eca-rers2012/Problem16_label21.c [2021-11-23 15:03:20,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/data/a177f9c87/a80a0f010b304f2cb3368844dc259789/FLAG9a4364f76 [2021-11-23 15:03:21,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/data/a177f9c87/a80a0f010b304f2cb3368844dc259789 [2021-11-23 15:03:21,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:21,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:21,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:21,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:21,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:21,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:21" (1/1) ... [2021-11-23 15:03:21,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3936811c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:21, skipping insertion in model container [2021-11-23 15:03:21,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:21" (1/1) ... [2021-11-23 15:03:21,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:21,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:21,630 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_72256ad9-6a62-4906-a892-071b7fe4e66d/sv-benchmarks/c/eca-rers2012/Problem16_label21.c[4121,4134] [2021-11-23 15:03:22,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:22,172 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:22,194 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_72256ad9-6a62-4906-a892-071b7fe4e66d/sv-benchmarks/c/eca-rers2012/Problem16_label21.c[4121,4134] [2021-11-23 15:03:22,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:22,672 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:22,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:22 WrapperNode [2021-11-23 15:03:22,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:22,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:22,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:22,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:22,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:22" (1/1) ... [2021-11-23 15:03:22,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:22" (1/1) ... [2021-11-23 15:03:22,842 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1765 [2021-11-23 15:03:22,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:22,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:22,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:22,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:22,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:22" (1/1) ... [2021-11-23 15:03:22,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:22" (1/1) ... [2021-11-23 15:03:22,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:22" (1/1) ... [2021-11-23 15:03:22,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:22" (1/1) ... [2021-11-23 15:03:22,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:22" (1/1) ... [2021-11-23 15:03:22,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:22" (1/1) ... [2021-11-23 15:03:22,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:22" (1/1) ... [2021-11-23 15:03:22,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:22,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:22,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:22,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:22,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:22" (1/1) ... [2021-11-23 15:03:22,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:23,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:23,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:23,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:23,167 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:23,169 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:31,120 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:31,157 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 15:03:31,161 INFO L158 Benchmark]: Toolchain (without parser) took 9947.35ms. Allocated memory was 65.0MB in the beginning and 123.7MB in the end (delta: 58.7MB). Free memory was 40.3MB in the beginning and 63.2MB in the end (delta: -22.9MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:31,162 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:31,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1460.00ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 40.1MB in the beginning and 58.2MB in the end (delta: -18.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:31,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 167.78ms. Allocated memory is still 90.2MB. Free memory was 58.2MB in the beginning and 46.0MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:03:31,164 INFO L158 Benchmark]: Boogie Preprocessor took 144.89ms. Allocated memory is still 90.2MB. Free memory was 46.0MB in the beginning and 56.5MB in the end (delta: -10.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-11-23 15:03:31,165 INFO L158 Benchmark]: RCFGBuilder took 8170.32ms. Allocated memory was 90.2MB in the beginning and 123.7MB in the end (delta: 33.6MB). Free memory was 56.5MB in the beginning and 63.2MB in the end (delta: -6.7MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2021-11-23 15:03:31,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1460.00ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 40.1MB in the beginning and 58.2MB in the end (delta: -18.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 167.78ms. Allocated memory is still 90.2MB. Free memory was 58.2MB in the beginning and 46.0MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 144.89ms. Allocated memory is still 90.2MB. Free memory was 46.0MB in the beginning and 56.5MB in the end (delta: -10.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * RCFGBuilder took 8170.32ms. Allocated memory was 90.2MB in the beginning and 123.7MB in the end (delta: 33.6MB). Free memory was 56.5MB in the beginning and 63.2MB in the end (delta: -6.7MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:31,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72256ad9-6a62-4906-a892-071b7fe4e66d/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