./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.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_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/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_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/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_84a46656-7d5e-453f-9049-4400af75cdff/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 21f79dea7aad8546a3e0176902289dccc4338c9a5ec0cb74e31e8a84f408fa52 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:46,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:46,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:46,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:46,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:46,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:46,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:46,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:46,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:46,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:46,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:46,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:46,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:46,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:46,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:46,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:46,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:46,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:46,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:46,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:46,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:46,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:46,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:46,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:46,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:46,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:46,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:46,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:46,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:46,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:46,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:46,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:46,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:46,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:46,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:46,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:46,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:46,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:46,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:46,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:46,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:46,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:46,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:46,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:46,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:46,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:46,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:46,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:46,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:46,939 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:46,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:46,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:46,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:46,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:46,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:46,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:46,940 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:46,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:46,941 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:46,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:46,941 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:46,941 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:46,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:46,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:46,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:46,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:46,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:46,943 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:46,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:46,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:46,943 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_84a46656-7d5e-453f-9049-4400af75cdff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21f79dea7aad8546a3e0176902289dccc4338c9a5ec0cb74e31e8a84f408fa52 [2021-11-23 15:55:47,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:47,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:47,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:47,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:47,297 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:47,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2021-11-23 15:55:47,382 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/data/367429e41/292c9bd19fda474398450cc59a53716d/FLAG7938aefc0 [2021-11-23 15:55:47,929 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:47,931 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2021-11-23 15:55:47,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/data/367429e41/292c9bd19fda474398450cc59a53716d/FLAG7938aefc0 [2021-11-23 15:55:48,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/data/367429e41/292c9bd19fda474398450cc59a53716d [2021-11-23 15:55:48,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:48,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:48,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:48,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:48,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:48,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f82816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48, skipping insertion in model container [2021-11-23 15:55:48,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:48,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:48,499 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_84a46656-7d5e-453f-9049-4400af75cdff/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2021-11-23 15:55:48,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:48,527 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:48,540 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_84a46656-7d5e-453f-9049-4400af75cdff/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2021-11-23 15:55:48,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:48,558 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:48,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48 WrapperNode [2021-11-23 15:55:48,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:48,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:48,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:48,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:48,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,592 INFO L137 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2021-11-23 15:55:48,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:48,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:48,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:48,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:48,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:48,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:48,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:48,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:48,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:48,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:48,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:48,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:55:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:55:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:55:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:55:48,754 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:48,756 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:48,894 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:48,953 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 15:55:48,957 INFO L158 Benchmark]: Toolchain (without parser) took 671.21ms. Allocated memory is still 134.2MB. Free memory was 99.3MB in the beginning and 97.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:48,958 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 58.5MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:48,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.16ms. Allocated memory is still 134.2MB. Free memory was 99.0MB in the beginning and 110.3MB in the end (delta: -11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:48,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.36ms. Allocated memory is still 134.2MB. Free memory was 110.3MB in the beginning and 108.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:48,960 INFO L158 Benchmark]: Boogie Preprocessor took 20.54ms. Allocated memory is still 134.2MB. Free memory was 108.8MB in the beginning and 107.9MB in the end (delta: 875.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:48,961 INFO L158 Benchmark]: RCFGBuilder took 340.66ms. Allocated memory is still 134.2MB. Free memory was 107.5MB in the beginning and 97.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:48,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 58.5MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.16ms. Allocated memory is still 134.2MB. Free memory was 99.0MB in the beginning and 110.3MB in the end (delta: -11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.36ms. Allocated memory is still 134.2MB. Free memory was 110.3MB in the beginning and 108.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.54ms. Allocated memory is still 134.2MB. Free memory was 108.8MB in the beginning and 107.9MB in the end (delta: 875.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.66ms. Allocated memory is still 134.2MB. Free memory was 107.5MB in the beginning and 97.4MB in the end (delta: 10.1MB). 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 15:55:49,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/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_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/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_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/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_84a46656-7d5e-453f-9049-4400af75cdff/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 21f79dea7aad8546a3e0176902289dccc4338c9a5ec0cb74e31e8a84f408fa52 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:51,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:51,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:51,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:51,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:51,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:51,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:51,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:51,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:51,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:51,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:51,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:51,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:51,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:51,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:51,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:51,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:51,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:51,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:51,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:51,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:51,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:51,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:51,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:51,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:51,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:51,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:51,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:51,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:51,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:51,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:51,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:51,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:51,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:51,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:51,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:51,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:51,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:51,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:51,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:51,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:51,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:51,643 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:51,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:51,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:51,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:51,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:51,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:51,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:51,647 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:51,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:51,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:51,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:51,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:51,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:51,650 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:51,650 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:51,650 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:51,651 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:51,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:51,651 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:51,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:51,652 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:51,652 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:51,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:51,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:51,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:51,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:51,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:51,654 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:51,654 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:51,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:51,654 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:51,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:51,655 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_84a46656-7d5e-453f-9049-4400af75cdff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21f79dea7aad8546a3e0176902289dccc4338c9a5ec0cb74e31e8a84f408fa52 [2021-11-23 15:55:52,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:52,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:52,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:52,089 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:52,090 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:52,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2021-11-23 15:55:52,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/data/b91ebb433/645936bfd57145df8e47654b9b5b9298/FLAGf5ffc0422 [2021-11-23 15:55:52,708 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:52,709 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2021-11-23 15:55:52,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/data/b91ebb433/645936bfd57145df8e47654b9b5b9298/FLAGf5ffc0422 [2021-11-23 15:55:53,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/data/b91ebb433/645936bfd57145df8e47654b9b5b9298 [2021-11-23 15:55:53,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:53,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:53,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:53,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:53,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:53,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:53" (1/1) ... [2021-11-23 15:55:53,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfbf226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:53, skipping insertion in model container [2021-11-23 15:55:53,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:53" (1/1) ... [2021-11-23 15:55:53,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:53,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:53,319 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_84a46656-7d5e-453f-9049-4400af75cdff/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2021-11-23 15:55:53,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:53,356 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:53,396 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_84a46656-7d5e-453f-9049-4400af75cdff/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2021-11-23 15:55:53,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:53,460 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:53,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:53 WrapperNode [2021-11-23 15:55:53,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:53,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:53,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:53,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:53,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:53" (1/1) ... [2021-11-23 15:55:53,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:53" (1/1) ... [2021-11-23 15:55:53,505 INFO L137 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2021-11-23 15:55:53,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:53,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:53,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:53,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:53,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:53" (1/1) ... [2021-11-23 15:55:53,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:53" (1/1) ... [2021-11-23 15:55:53,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:53" (1/1) ... [2021-11-23 15:55:53,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:53" (1/1) ... [2021-11-23 15:55:53,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:53" (1/1) ... [2021-11-23 15:55:53,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:53" (1/1) ... [2021-11-23 15:55:53,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:53" (1/1) ... [2021-11-23 15:55:53,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:53,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:53,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:53,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:53,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:53" (1/1) ... [2021-11-23 15:55:53,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:53,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:53,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:53,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:55:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:55:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:55:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:55:53,729 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:53,731 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:53,857 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:53,872 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 15:55:53,876 INFO L158 Benchmark]: Toolchain (without parser) took 788.46ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 32.5MB in the beginning and 50.5MB in the end (delta: -18.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:53,877 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:53,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.92ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 32.3MB in the beginning and 63.2MB in the end (delta: -30.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:53,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.05ms. Allocated memory is still 79.7MB. Free memory was 63.0MB in the beginning and 61.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:53,880 INFO L158 Benchmark]: Boogie Preprocessor took 53.39ms. Allocated memory is still 79.7MB. Free memory was 61.6MB in the beginning and 60.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:53,880 INFO L158 Benchmark]: RCFGBuilder took 312.95ms. Allocated memory is still 79.7MB. Free memory was 60.2MB in the beginning and 50.5MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:53,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.92ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 32.3MB in the beginning and 63.2MB in the end (delta: -30.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.05ms. Allocated memory is still 79.7MB. Free memory was 63.0MB in the beginning and 61.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.39ms. Allocated memory is still 79.7MB. Free memory was 61.6MB in the beginning and 60.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 312.95ms. Allocated memory is still 79.7MB. Free memory was 60.2MB in the beginning and 50.5MB 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 15:55:53,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a46656-7d5e-453f-9049-4400af75cdff/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