./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i --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_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/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_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/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_380148ce-2ab3-45c9-a834-66e33d57df2d/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 2c4c8975bee6324b0c0486aa99ba8be369d6762a33e8dd5b012191d5fa43c106 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:27,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:27,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:27,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:27,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:27,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:27,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:27,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:27,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:27,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:27,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:27,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:27,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:27,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:27,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:27,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:27,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:27,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:27,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:27,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:27,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:27,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:27,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:27,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:27,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:27,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:27,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:27,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:27,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:27,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:27,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:27,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:27,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:27,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:27,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:27,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:27,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:27,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:27,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:27,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:27,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:27,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:38:27,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:27,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:27,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:27,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:27,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:27,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:27,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:27,816 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:27,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:38:27,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:27,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:27,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:27,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:27,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:27,823 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:27,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:27,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:27,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:27,824 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:27,824 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:27,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:27,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:27,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:27,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:27,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:27,825 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:38:27,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:38:27,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:27,826 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_380148ce-2ab3-45c9-a834-66e33d57df2d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c4c8975bee6324b0c0486aa99ba8be369d6762a33e8dd5b012191d5fa43c106 [2021-11-23 15:38:28,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:28,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:28,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:28,110 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:28,111 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:28,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-invgen/id_build.i [2021-11-23 15:38:28,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/data/066d2661f/4f2447cf75a94b9ba39248b39f5aedcb/FLAG50d2c291b [2021-11-23 15:38:28,641 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:28,641 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/sv-benchmarks/c/loop-invgen/id_build.i [2021-11-23 15:38:28,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/data/066d2661f/4f2447cf75a94b9ba39248b39f5aedcb/FLAG50d2c291b [2021-11-23 15:38:29,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/data/066d2661f/4f2447cf75a94b9ba39248b39f5aedcb [2021-11-23 15:38:29,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:29,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:29,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:29,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:29,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:29,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:29" (1/1) ... [2021-11-23 15:38:29,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbf105a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29, skipping insertion in model container [2021-11-23 15:38:29,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:29" (1/1) ... [2021-11-23 15:38:29,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:29,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:29,424 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_380148ce-2ab3-45c9-a834-66e33d57df2d/sv-benchmarks/c/loop-invgen/id_build.i[893,906] [2021-11-23 15:38:29,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:29,452 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:29,465 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_380148ce-2ab3-45c9-a834-66e33d57df2d/sv-benchmarks/c/loop-invgen/id_build.i[893,906] [2021-11-23 15:38:29,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:29,486 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:29,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29 WrapperNode [2021-11-23 15:38:29,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:29,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:29,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:29,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:29,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ... [2021-11-23 15:38:29,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ... [2021-11-23 15:38:29,522 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2021-11-23 15:38:29,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:29,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:29,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:29,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:29,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ... [2021-11-23 15:38:29,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ... [2021-11-23 15:38:29,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ... [2021-11-23 15:38:29,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ... [2021-11-23 15:38:29,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ... [2021-11-23 15:38:29,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ... [2021-11-23 15:38:29,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ... [2021-11-23 15:38:29,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:29,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:29,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:29,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:29,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:29" (1/1) ... [2021-11-23 15:38:29,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:29,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:29,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:29,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:38:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:38:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:38:29,705 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:29,707 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:29,845 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:38:29,862 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 15:38:29,867 INFO L158 Benchmark]: Toolchain (without parser) took 700.13ms. Allocated memory is still 132.1MB. Free memory was 94.5MB in the beginning and 92.2MB in the end (delta: 2.3MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2021-11-23 15:38:29,870 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 132.1MB. Free memory was 105.9MB in the beginning and 105.9MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:29,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.16ms. Allocated memory is still 132.1MB. Free memory was 94.3MB in the beginning and 104.7MB in the end (delta: -10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:29,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.43ms. Allocated memory is still 132.1MB. Free memory was 104.7MB in the beginning and 103.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:29,874 INFO L158 Benchmark]: Boogie Preprocessor took 33.11ms. Allocated memory is still 132.1MB. Free memory was 103.4MB in the beginning and 102.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:38:29,875 INFO L158 Benchmark]: RCFGBuilder took 307.82ms. Allocated memory is still 132.1MB. Free memory was 102.0MB in the beginning and 92.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:38:29,879 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 132.1MB. Free memory was 105.9MB in the beginning and 105.9MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.16ms. Allocated memory is still 132.1MB. Free memory was 94.3MB in the beginning and 104.7MB in the end (delta: -10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.43ms. Allocated memory is still 132.1MB. Free memory was 104.7MB in the beginning and 103.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.11ms. Allocated memory is still 132.1MB. Free memory was 103.4MB in the beginning and 102.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.82ms. Allocated memory is still 132.1MB. Free memory was 102.0MB in the beginning and 92.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:38:29,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/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_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/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_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/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_380148ce-2ab3-45c9-a834-66e33d57df2d/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 2c4c8975bee6324b0c0486aa99ba8be369d6762a33e8dd5b012191d5fa43c106 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:32,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:32,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:32,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:32,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:32,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:32,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:32,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:32,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:32,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:32,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:32,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:32,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:32,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:32,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:32,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:32,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:32,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:32,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:32,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:32,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:32,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:32,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:32,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:32,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:32,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:32,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:32,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:32,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:32,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:32,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:32,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:32,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:32,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:32,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:32,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:32,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:32,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:32,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:32,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:32,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:32,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:38:32,365 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:32,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:32,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:32,367 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:32,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:32,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:32,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:32,368 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:32,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:32,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:32,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:32,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:32,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:32,370 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:38:32,370 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:38:32,370 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:38:32,370 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:32,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:32,371 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:32,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:32,371 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:32,371 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:32,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:32,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:32,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:32,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:32,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:32,373 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:38:32,373 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:38:32,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:32,373 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:38:32,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:38:32,374 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_380148ce-2ab3-45c9-a834-66e33d57df2d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c4c8975bee6324b0c0486aa99ba8be369d6762a33e8dd5b012191d5fa43c106 [2021-11-23 15:38:32,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:32,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:32,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:32,732 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:32,733 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:32,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-invgen/id_build.i [2021-11-23 15:38:32,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/data/b349fe6b1/8d96b3c70d7f4f8dbcdfaee7f43e0789/FLAGf035f2363 [2021-11-23 15:38:33,231 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:33,231 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/sv-benchmarks/c/loop-invgen/id_build.i [2021-11-23 15:38:33,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/data/b349fe6b1/8d96b3c70d7f4f8dbcdfaee7f43e0789/FLAGf035f2363 [2021-11-23 15:38:33,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/data/b349fe6b1/8d96b3c70d7f4f8dbcdfaee7f43e0789 [2021-11-23 15:38:33,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:33,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:33,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:33,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:33,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:33,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:33,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21519ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33, skipping insertion in model container [2021-11-23 15:38:33,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:33,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:33,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:33,885 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_380148ce-2ab3-45c9-a834-66e33d57df2d/sv-benchmarks/c/loop-invgen/id_build.i[893,906] [2021-11-23 15:38:33,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:33,913 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:33,928 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_380148ce-2ab3-45c9-a834-66e33d57df2d/sv-benchmarks/c/loop-invgen/id_build.i[893,906] [2021-11-23 15:38:33,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:33,949 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:33,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33 WrapperNode [2021-11-23 15:38:33,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:33,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:33,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:33,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:33,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:33,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:34,004 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2021-11-23 15:38:34,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:34,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:34,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:34,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:34,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:34,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:34,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:34,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:34,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:34,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:34,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:34,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:34,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:34,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:34,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:34,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:34,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:34,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:34,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:34,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:38:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:38:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:38:34,213 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:34,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:34,355 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:38:34,368 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 15:38:34,371 INFO L158 Benchmark]: Toolchain (without parser) took 707.76ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 33.8MB in the end (delta: 5.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-11-23 15:38:34,372 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:34,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.67ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 28.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:38:34,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.95ms. Allocated memory is still 60.8MB. Free memory was 28.6MB in the beginning and 44.3MB in the end (delta: -15.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:38:34,375 INFO L158 Benchmark]: Boogie Preprocessor took 42.55ms. Allocated memory is still 60.8MB. Free memory was 44.3MB in the beginning and 43.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:34,376 INFO L158 Benchmark]: RCFGBuilder took 320.85ms. Allocated memory is still 60.8MB. Free memory was 43.2MB in the beginning and 33.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:34,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.67ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 28.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.95ms. Allocated memory is still 60.8MB. Free memory was 28.6MB in the beginning and 44.3MB in the end (delta: -15.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.55ms. Allocated memory is still 60.8MB. Free memory was 44.3MB in the beginning and 43.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.85ms. Allocated memory is still 60.8MB. Free memory was 43.2MB in the beginning and 33.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. 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 15:38:34,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380148ce-2ab3-45c9-a834-66e33d57df2d/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