./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label23.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_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/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_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/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_327b401d-366c-4093-8bdc-0e117c30f1f1/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 c7046cfa4b2ec4fa3792b24e46845153f6a07e82a781b78430ee0a56239bbfb5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:57,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:57,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:57,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:57,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:57,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:57,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:57,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:57,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:57,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:57,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:57,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:57,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:57,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:57,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:57,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:57,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:57,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:57,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:57,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:57,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:57,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:57,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:57,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:57,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:57,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:57,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:57,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:57,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:57,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:57,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:57,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:57,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:57,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:57,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:57,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:57,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:57,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:57,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:57,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:57,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:57,695 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:02:57,720 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:57,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:57,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:57,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:57,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:57,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:57,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:57,731 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:57,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:57,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:57,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:57,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:57,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:57,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:57,733 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:57,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:57,734 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:57,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:57,734 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:57,734 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:57,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:57,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:57,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:57,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:57,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:57,736 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:57,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:57,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:57,736 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_327b401d-366c-4093-8bdc-0e117c30f1f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7046cfa4b2ec4fa3792b24e46845153f6a07e82a781b78430ee0a56239bbfb5 [2021-11-23 15:02:58,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:58,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:58,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:58,069 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:58,070 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:58,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem101_label23.c [2021-11-23 15:02:58,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/data/5438056bb/d8051102fa2d4c5eb5d845c37c74979a/FLAGe74568bc2 [2021-11-23 15:03:00,851 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:00,852 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/sv-benchmarks/c/eca-programs/Problem101_label23.c [2021-11-23 15:03:01,012 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/data/5438056bb/d8051102fa2d4c5eb5d845c37c74979a/FLAGe74568bc2 [2021-11-23 15:03:01,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/data/5438056bb/d8051102fa2d4c5eb5d845c37c74979a [2021-11-23 15:03:01,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:01,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:01,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:01,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:01,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:01,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:01" (1/1) ... [2021-11-23 15:03:01,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cfd8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:01, skipping insertion in model container [2021-11-23 15:03:01,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:01" (1/1) ... [2021-11-23 15:03:01,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:02,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:13,622 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_327b401d-366c-4093-8bdc-0e117c30f1f1/sv-benchmarks/c/eca-programs/Problem101_label23.c[2766456,2766469] [2021-11-23 15:03:13,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:13,711 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:21,242 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_327b401d-366c-4093-8bdc-0e117c30f1f1/sv-benchmarks/c/eca-programs/Problem101_label23.c[2766456,2766469] [2021-11-23 15:03:21,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:22,439 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:22,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:22 WrapperNode [2021-11-23 15:03:22,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:22,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:22,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:22,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:22,456 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 15:03:23,310 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 15:03:25,824 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83780 [2021-11-23 15:03:25,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:25,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:25,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:25,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:25,832 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 15:03:25,832 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 15:03:26,294 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 15:03:26,295 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 15:03:27,483 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 15:03:27,705 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 15:03:28,055 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 15:03:28,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:28,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:28,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:28,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:28,507 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 15:03:28,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:28,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:28,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:28,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:28,767 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:28,768 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:07,179 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:07,342 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 15:04:07,348 INFO L158 Benchmark]: Toolchain (without parser) took 66283.32ms. Allocated memory was 453.0MB in the beginning and 8.5GB in the end (delta: 8.1GB). Free memory was 292.5MB in the beginning and 6.9GB in the end (delta: -6.6GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2021-11-23 15:04:07,349 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 96.1MB in the beginning and 96.1MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:07,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 21371.85ms. Allocated memory was 453.0MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 291.4MB in the beginning and 1.1GB in the end (delta: -832.9MB). Peak memory consumption was 806.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:07,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 3384.31ms. Allocated memory was 1.8GB in the beginning and 3.6GB in the end (delta: 1.8GB). Free memory was 1.1GB in the beginning and 2.6GB in the end (delta: -1.5GB). Peak memory consumption was 476.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:07,352 INFO L158 Benchmark]: Boogie Preprocessor took 2679.38ms. Allocated memory was 3.6GB in the beginning and 6.1GB in the end (delta: 2.5GB). Free memory was 2.6GB in the beginning and 4.8GB in the end (delta: -2.2GB). Peak memory consumption was 320.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:07,353 INFO L158 Benchmark]: RCFGBuilder took 38840.10ms. Allocated memory was 6.1GB in the beginning and 8.5GB in the end (delta: 2.4GB). Free memory was 4.8GB in the beginning and 6.9GB in the end (delta: -2.1GB). Peak memory consumption was 553.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:07,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 96.1MB in the beginning and 96.1MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 21371.85ms. Allocated memory was 453.0MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 291.4MB in the beginning and 1.1GB in the end (delta: -832.9MB). Peak memory consumption was 806.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3384.31ms. Allocated memory was 1.8GB in the beginning and 3.6GB in the end (delta: 1.8GB). Free memory was 1.1GB in the beginning and 2.6GB in the end (delta: -1.5GB). Peak memory consumption was 476.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2679.38ms. Allocated memory was 3.6GB in the beginning and 6.1GB in the end (delta: 2.5GB). Free memory was 2.6GB in the beginning and 4.8GB in the end (delta: -2.2GB). Peak memory consumption was 320.9MB. Max. memory is 16.1GB. * RCFGBuilder took 38840.10ms. Allocated memory was 6.1GB in the beginning and 8.5GB in the end (delta: 2.4GB). Free memory was 4.8GB in the beginning and 6.9GB in the end (delta: -2.1GB). Peak memory consumption was 553.6MB. 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 15:04:07,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/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_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/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_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/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_327b401d-366c-4093-8bdc-0e117c30f1f1/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 c7046cfa4b2ec4fa3792b24e46845153f6a07e82a781b78430ee0a56239bbfb5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:09,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:09,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:09,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:09,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:09,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:09,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:09,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:09,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:09,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:09,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:09,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:09,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:09,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:09,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:09,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:09,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:09,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:09,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:09,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:09,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:09,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:09,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:09,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:09,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:09,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:09,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:09,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:09,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:09,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:09,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:09,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:09,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:09,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:09,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:09,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:09,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:09,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:09,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:09,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:09,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:09,870 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:09,912 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:09,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:09,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:09,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:09,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:09,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:09,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:09,915 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:09,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:09,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:09,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:09,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:09,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:09,917 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:09,917 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:09,917 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:09,918 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:09,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:09,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:09,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:09,918 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:09,919 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:09,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:09,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:09,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:09,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:09,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:09,920 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:09,920 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:09,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:09,920 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:09,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:09,921 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_327b401d-366c-4093-8bdc-0e117c30f1f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7046cfa4b2ec4fa3792b24e46845153f6a07e82a781b78430ee0a56239bbfb5 [2021-11-23 15:04:10,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:10,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:10,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:10,273 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:10,273 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:10,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem101_label23.c [2021-11-23 15:04:10,346 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/data/3691b5793/6ce7e607a03c4df29d8598c6d3c00c94/FLAG2f4b4de15 [2021-11-23 15:04:13,380 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:13,381 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/sv-benchmarks/c/eca-programs/Problem101_label23.c [2021-11-23 15:04:13,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/data/3691b5793/6ce7e607a03c4df29d8598c6d3c00c94/FLAG2f4b4de15 [2021-11-23 15:04:13,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/data/3691b5793/6ce7e607a03c4df29d8598c6d3c00c94 [2021-11-23 15:04:13,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:13,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:13,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:13,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:13,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:13,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:13" (1/1) ... [2021-11-23 15:04:13,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329afdbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:13, skipping insertion in model container [2021-11-23 15:04:13,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:13" (1/1) ... [2021-11-23 15:04:13,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:14,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:26,741 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_327b401d-366c-4093-8bdc-0e117c30f1f1/sv-benchmarks/c/eca-programs/Problem101_label23.c[2766456,2766469] [2021-11-23 15:04:26,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:26,827 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:33,869 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_327b401d-366c-4093-8bdc-0e117c30f1f1/sv-benchmarks/c/eca-programs/Problem101_label23.c[2766456,2766469] [2021-11-23 15:04:33,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:35,100 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:35,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:35 WrapperNode [2021-11-23 15:04:35,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:35,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:35,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:35,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:35,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:35,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:38,135 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83733 [2021-11-23 15:04:38,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:38,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:38,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:38,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:38,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:38,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:39,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:39,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:40,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:41,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:41,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:41,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:41,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:41,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:41,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:41,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:35" (1/1) ... [2021-11-23 15:04:41,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:41,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:41,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:41,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:42,101 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:42,103 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:36,483 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:36,664 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 15:05:36,669 INFO L158 Benchmark]: Toolchain (without parser) took 82816.79ms. Allocated memory was 224.4MB in the beginning and 8.8GB in the end (delta: 8.6GB). Free memory was 87.4MB in the beginning and 7.3GB in the end (delta: -7.2GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2021-11-23 15:05:36,670 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:36,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 21249.14ms. Allocated memory was 224.4MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 87.4MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 804.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 3033.63ms. Allocated memory was 2.6GB in the beginning and 5.2GB in the end (delta: 2.6GB). Free memory was 1.9GB in the beginning and 4.1GB in the end (delta: -2.2GB). Peak memory consumption was 379.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,672 INFO L158 Benchmark]: Boogie Preprocessor took 3646.99ms. Allocated memory is still 5.2GB. Free memory was 4.1GB in the beginning and 3.9GB in the end (delta: 186.6MB). Peak memory consumption was 309.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,673 INFO L158 Benchmark]: RCFGBuilder took 54882.95ms. Allocated memory was 5.2GB in the beginning and 8.8GB in the end (delta: 3.6GB). Free memory was 3.9GB in the beginning and 7.3GB in the end (delta: -3.3GB). Peak memory consumption was 632.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 21249.14ms. Allocated memory was 224.4MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 87.4MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 804.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3033.63ms. Allocated memory was 2.6GB in the beginning and 5.2GB in the end (delta: 2.6GB). Free memory was 1.9GB in the beginning and 4.1GB in the end (delta: -2.2GB). Peak memory consumption was 379.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3646.99ms. Allocated memory is still 5.2GB. Free memory was 4.1GB in the beginning and 3.9GB in the end (delta: 186.6MB). Peak memory consumption was 309.3MB. Max. memory is 16.1GB. * RCFGBuilder took 54882.95ms. Allocated memory was 5.2GB in the beginning and 8.8GB in the end (delta: 3.6GB). Free memory was 3.9GB in the beginning and 7.3GB in the end (delta: -3.3GB). Peak memory consumption was 632.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:36,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_327b401d-366c-4093-8bdc-0e117c30f1f1/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