./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.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_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/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_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/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_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/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 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:57,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:57,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:57,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:57,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:57,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:57,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:57,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:57,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:57,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:57,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:57,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:57,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:57,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:57,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:57,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:57,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:57,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:57,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:57,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:57,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:57,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:57,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:57,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:57,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:57,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:57,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:57,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:57,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:57,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:57,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:57,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:57,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:57,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:57,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:57,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:57,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:57,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:57,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:57,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:57,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:57,238 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:57,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:57,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:57,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:57,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:57,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:57,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:57,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:57,266 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:57,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:57,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:57,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:57,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:57,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:57,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:57,267 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:57,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:57,268 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:57,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:57,268 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:57,268 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:57,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:57,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:57,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:57,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:57,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:57,270 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:57,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:57,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:57,270 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_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 [2021-11-23 15:56:57,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:57,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:57,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:57,539 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:57,540 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:57,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2021-11-23 15:56:57,603 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/data/4264330df/72e3d07b74c44e26b68b7b564edc6393/FLAG14fef489d [2021-11-23 15:56:58,010 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:58,011 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2021-11-23 15:56:58,017 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/data/4264330df/72e3d07b74c44e26b68b7b564edc6393/FLAG14fef489d [2021-11-23 15:56:58,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/data/4264330df/72e3d07b74c44e26b68b7b564edc6393 [2021-11-23 15:56:58,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:58,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:58,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:58,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:58,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:58,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5e5765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58, skipping insertion in model container [2021-11-23 15:56:58,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:58,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:58,647 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_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c[526,539] [2021-11-23 15:56:58,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:58,671 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:58,683 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_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c[526,539] [2021-11-23 15:56:58,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:58,703 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:58,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58 WrapperNode [2021-11-23 15:56:58,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:58,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:58,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:58,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:58,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,739 INFO L137 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2021-11-23 15:56:58,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:58,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:58,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:58,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:58,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:58,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:58,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:58,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:58,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:58,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:58,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:58,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:56:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:56:58,928 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:58,930 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:59,054 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:59,069 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 15:56:59,073 INFO L158 Benchmark]: Toolchain (without parser) took 659.92ms. Allocated memory is still 96.5MB. Free memory was 57.7MB in the beginning and 59.2MB in the end (delta: -1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:59,074 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:59,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.16ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 71.8MB in the end (delta: -14.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:59,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.36ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 70.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:59,077 INFO L158 Benchmark]: Boogie Preprocessor took 21.52ms. Allocated memory is still 96.5MB. Free memory was 70.2MB in the beginning and 69.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:59,078 INFO L158 Benchmark]: RCFGBuilder took 309.23ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 59.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:59,082 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.16ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 71.8MB in the end (delta: -14.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.36ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 70.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.52ms. Allocated memory is still 96.5MB. Free memory was 70.2MB in the beginning and 69.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.23ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 59.2MB in the end (delta: 9.9MB). 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 15:56:59,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/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_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/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_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/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 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:01,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:01,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:01,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:01,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:01,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:01,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:01,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:01,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:01,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:01,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:01,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:01,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:01,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:01,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:01,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:01,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:01,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:01,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:01,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:01,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:01,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:01,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:01,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:01,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:01,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:01,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:01,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:01,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:01,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:01,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:01,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:01,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:01,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:01,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:01,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:01,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:01,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:01,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:01,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:01,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:01,864 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:01,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:01,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:01,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:01,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:01,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:01,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:01,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:01,916 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:01,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:01,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:01,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:01,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:01,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:01,919 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:01,919 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:01,919 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:01,919 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:01,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:01,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:01,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:01,920 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:01,920 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:01,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:01,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:01,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:01,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:01,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:01,922 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:01,922 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:01,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:01,923 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:01,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:01,923 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_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 [2021-11-23 15:57:02,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:02,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:02,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:02,359 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:02,360 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:02,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2021-11-23 15:57:02,436 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/data/358574e0c/95c6f73dba6746838d4b9f56dda09dc4/FLAG1c0e88b8a [2021-11-23 15:57:03,028 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:03,029 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2021-11-23 15:57:03,037 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/data/358574e0c/95c6f73dba6746838d4b9f56dda09dc4/FLAG1c0e88b8a [2021-11-23 15:57:03,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/data/358574e0c/95c6f73dba6746838d4b9f56dda09dc4 [2021-11-23 15:57:03,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:03,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:03,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:03,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:03,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:03,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eec9bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03, skipping insertion in model container [2021-11-23 15:57:03,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:03,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:03,644 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_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c[526,539] [2021-11-23 15:57:03,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:03,676 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:03,690 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_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c[526,539] [2021-11-23 15:57:03,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:03,712 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:03,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03 WrapperNode [2021-11-23 15:57:03,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:03,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:03,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:03,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:03,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,768 INFO L137 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2021-11-23 15:57:03,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:03,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:03,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:03,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:03,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:03,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:03,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:03,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:03,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:03,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:03,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:03,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:57:03,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:57:04,012 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:04,015 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:04,256 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:04,271 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 15:57:04,276 INFO L158 Benchmark]: Toolchain (without parser) took 867.99ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 39.5MB in the end (delta: -7.9MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:04,277 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:04,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.99ms. Allocated memory is still 54.5MB. Free memory was 31.5MB in the beginning and 34.5MB in the end (delta: -3.0MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:04,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.77ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 34.5MB in the beginning and 50.6MB in the end (delta: -16.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:04,281 INFO L158 Benchmark]: Boogie Preprocessor took 61.17ms. Allocated memory is still 67.1MB. Free memory was 50.4MB in the beginning and 49.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:04,282 INFO L158 Benchmark]: RCFGBuilder took 442.24ms. Allocated memory is still 67.1MB. Free memory was 49.3MB in the beginning and 39.5MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:04,287 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 54.5MB. Free memory was 35.4MB in the beginning and 35.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.99ms. Allocated memory is still 54.5MB. Free memory was 31.5MB in the beginning and 34.5MB in the end (delta: -3.0MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.77ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 34.5MB in the beginning and 50.6MB in the end (delta: -16.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.17ms. Allocated memory is still 67.1MB. Free memory was 50.4MB in the beginning and 49.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 442.24ms. Allocated memory is still 67.1MB. Free memory was 49.3MB in the beginning and 39.5MB in the end (delta: 9.7MB). 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 15:57:04,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449d9b5d-f1b5-47c5-a78d-ff9e50ba9256/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