./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.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_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/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_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/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_3c30d941-4499-4ba3-8946-c35b118d91d5/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 0ac0f213d1d000e527ab073eb0dd4288784176d966909606abb71d9dc425fd71 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:24,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:24,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:24,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:24,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:24,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:24,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:24,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:24,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:24,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:24,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:24,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:24,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:24,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:24,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:24,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:24,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:24,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:24,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:24,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:24,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:24,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:24,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:24,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:24,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:24,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:24,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:24,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:24,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:24,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:24,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:24,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:24,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:24,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:24,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:24,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:24,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:24,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:24,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:24,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:24,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:24,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:24,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:24,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:24,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:24,912 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:24,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:24,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:24,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:24,914 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:24,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:24,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:24,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:24,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:24,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:24,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:24,916 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:24,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:24,916 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:24,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:24,916 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:24,917 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:24,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:24,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:24,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:24,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:24,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:24,918 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:24,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:24,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:24,918 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_3c30d941-4499-4ba3-8946-c35b118d91d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ac0f213d1d000e527ab073eb0dd4288784176d966909606abb71d9dc425fd71 [2021-11-23 15:05:25,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:25,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:25,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:25,220 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:25,221 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:25,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c [2021-11-23 15:05:25,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/data/f07f58df5/a5e94c188d634a7e812ed397ccdeb173/FLAG0760fcec5 [2021-11-23 15:05:25,820 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:25,820 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c [2021-11-23 15:05:25,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/data/f07f58df5/a5e94c188d634a7e812ed397ccdeb173/FLAG0760fcec5 [2021-11-23 15:05:26,160 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/data/f07f58df5/a5e94c188d634a7e812ed397ccdeb173 [2021-11-23 15:05:26,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:26,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:26,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:26,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:26,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:26,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213af456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26, skipping insertion in model container [2021-11-23 15:05:26,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:26,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:26,394 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_3c30d941-4499-4ba3-8946-c35b118d91d5/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c[535,548] [2021-11-23 15:05:26,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:26,423 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:26,436 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_3c30d941-4499-4ba3-8946-c35b118d91d5/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c[535,548] [2021-11-23 15:05:26,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:26,460 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:26,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26 WrapperNode [2021-11-23 15:05:26,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:26,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:26,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:26,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:26,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,497 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2021-11-23 15:05:26,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:26,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:26,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:26,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:26,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:26,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:26,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:26,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:26,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:26,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:26,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:26,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:05:26,613 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:05:26,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:05:26,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:05:26,680 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:26,682 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:26,831 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:26,847 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:26,852 INFO L158 Benchmark]: Toolchain (without parser) took 686.10ms. Allocated memory is still 102.8MB. Free memory was 62.6MB in the beginning and 65.1MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:26,853 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 79.0MB in the beginning and 78.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:26,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.71ms. Allocated memory is still 102.8MB. Free memory was 62.4MB in the beginning and 78.7MB in the end (delta: -16.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:26,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.80ms. Allocated memory is still 102.8MB. Free memory was 78.3MB in the beginning and 76.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:26,856 INFO L158 Benchmark]: Boogie Preprocessor took 23.97ms. Allocated memory is still 102.8MB. Free memory was 76.9MB in the beginning and 75.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:26,858 INFO L158 Benchmark]: RCFGBuilder took 327.20ms. Allocated memory is still 102.8MB. Free memory was 75.7MB in the beginning and 65.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:26,862 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 79.0MB in the beginning and 78.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.71ms. Allocated memory is still 102.8MB. Free memory was 62.4MB in the beginning and 78.7MB in the end (delta: -16.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.80ms. Allocated memory is still 102.8MB. Free memory was 78.3MB in the beginning and 76.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.97ms. Allocated memory is still 102.8MB. Free memory was 76.9MB in the beginning and 75.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.20ms. Allocated memory is still 102.8MB. Free memory was 75.7MB in the beginning and 65.1MB in the end (delta: 10.6MB). 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 15:05:26,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/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_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/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_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/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_3c30d941-4499-4ba3-8946-c35b118d91d5/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 0ac0f213d1d000e527ab073eb0dd4288784176d966909606abb71d9dc425fd71 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:29,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:29,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:29,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:29,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:29,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:29,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:29,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:29,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:29,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:29,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:29,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:29,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:29,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:29,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:29,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:29,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:29,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:29,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:29,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:29,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:29,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:29,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:29,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:29,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:29,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:29,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:29,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:29,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:29,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:29,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:29,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:29,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:29,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:29,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:29,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:29,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:29,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:29,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:29,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:29,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:29,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:29,664 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:29,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:29,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:29,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:29,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:29,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:29,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:29,669 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:29,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:29,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:29,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:29,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:29,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:29,671 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:29,671 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:29,672 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:29,672 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:29,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:29,672 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:29,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:29,673 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:29,673 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:29,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:29,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:29,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:29,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:29,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:29,675 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:29,675 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:29,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:29,675 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:29,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:29,676 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_3c30d941-4499-4ba3-8946-c35b118d91d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ac0f213d1d000e527ab073eb0dd4288784176d966909606abb71d9dc425fd71 [2021-11-23 15:05:30,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:30,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:30,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:30,105 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:30,106 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:30,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c [2021-11-23 15:05:30,172 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/data/b49da1d92/a3f1ec7258a64fabb843831e650979c6/FLAGfe0abb146 [2021-11-23 15:05:30,772 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:30,777 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c [2021-11-23 15:05:30,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/data/b49da1d92/a3f1ec7258a64fabb843831e650979c6/FLAGfe0abb146 [2021-11-23 15:05:31,130 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/data/b49da1d92/a3f1ec7258a64fabb843831e650979c6 [2021-11-23 15:05:31,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:31,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:31,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:31,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:31,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:31,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:31" (1/1) ... [2021-11-23 15:05:31,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56620a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:31, skipping insertion in model container [2021-11-23 15:05:31,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:31" (1/1) ... [2021-11-23 15:05:31,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:31,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:31,311 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_3c30d941-4499-4ba3-8946-c35b118d91d5/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c[535,548] [2021-11-23 15:05:31,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:31,362 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:31,408 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_3c30d941-4499-4ba3-8946-c35b118d91d5/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c[535,548] [2021-11-23 15:05:31,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:31,455 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:31,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:31 WrapperNode [2021-11-23 15:05:31,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:31,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:31,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:31,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:31,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:31" (1/1) ... [2021-11-23 15:05:31,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:31" (1/1) ... [2021-11-23 15:05:31,492 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2021-11-23 15:05:31,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:31,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:31,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:31,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:31,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:31" (1/1) ... [2021-11-23 15:05:31,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:31" (1/1) ... [2021-11-23 15:05:31,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:31" (1/1) ... [2021-11-23 15:05:31,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:31" (1/1) ... [2021-11-23 15:05:31,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:31" (1/1) ... [2021-11-23 15:05:31,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:31" (1/1) ... [2021-11-23 15:05:31,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:31" (1/1) ... [2021-11-23 15:05:31,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:31,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:31,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:31,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:31,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:31" (1/1) ... [2021-11-23 15:05:31,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:31,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:31,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:31,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:05:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:05:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:05:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:05:31,741 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:31,743 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:32,023 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:32,054 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:32,059 INFO L158 Benchmark]: Toolchain (without parser) took 917.10ms. Allocated memory was 58.7MB in the beginning and 88.1MB in the end (delta: 29.4MB). Free memory was 36.1MB in the beginning and 57.0MB in the end (delta: -20.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:32,060 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:32,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.95ms. Allocated memory was 58.7MB in the beginning and 88.1MB in the end (delta: 29.4MB). Free memory was 35.9MB in the beginning and 70.5MB in the end (delta: -34.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:32,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.26ms. Allocated memory is still 88.1MB. Free memory was 70.5MB in the beginning and 68.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:32,063 INFO L158 Benchmark]: Boogie Preprocessor took 55.10ms. Allocated memory is still 88.1MB. Free memory was 68.8MB in the beginning and 67.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:32,064 INFO L158 Benchmark]: RCFGBuilder took 506.83ms. Allocated memory is still 88.1MB. Free memory was 67.5MB in the beginning and 57.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:32,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.95ms. Allocated memory was 58.7MB in the beginning and 88.1MB in the end (delta: 29.4MB). Free memory was 35.9MB in the beginning and 70.5MB in the end (delta: -34.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.26ms. Allocated memory is still 88.1MB. Free memory was 70.5MB in the beginning and 68.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.10ms. Allocated memory is still 88.1MB. Free memory was 68.8MB in the beginning and 67.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.83ms. Allocated memory is still 88.1MB. Free memory was 67.5MB in the beginning and 57.0MB in the end (delta: 10.5MB). 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 15:05:32,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c30d941-4499-4ba3-8946-c35b118d91d5/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable