./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i25_o25-2.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_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/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_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/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_07e73274-ce1f-4bda-bef5-62721285f368/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 76955366716759eb9478710f6ef46e3de93d252b9c3177ff4beaca56ee5c75a7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:08,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:08,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:08,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:08,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:08,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:08,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:08,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:08,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:08,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:08,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:08,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:08,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:08,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:08,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:08,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:08,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:08,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:08,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:08,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:08,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:08,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:08,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:08,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:08,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:08,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:08,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:08,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:08,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:08,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:08,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:08,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:08,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:08,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:08,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:08,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:08,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:08,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:08,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:08,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:08,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:08,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:08,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:08,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:08,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:08,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:08,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:08,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:08,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:08,422 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:08,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:08,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:08,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:08,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:08,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:08,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:08,431 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:08,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:08,432 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:08,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:08,432 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:08,432 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:08,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:08,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:08,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:08,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:08,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:08,434 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:08,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:08,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:08,434 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_07e73274-ce1f-4bda-bef5-62721285f368/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76955366716759eb9478710f6ef46e3de93d252b9c3177ff4beaca56ee5c75a7 [2021-11-23 15:03:08,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:08,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:08,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:08,839 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:08,840 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:08,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2021-11-23 15:03:08,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/data/7987bf0f0/4c36de55135c4a189f147c04eb26c59a/FLAG8a3372044 [2021-11-23 15:03:09,390 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:09,392 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2021-11-23 15:03:09,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/data/7987bf0f0/4c36de55135c4a189f147c04eb26c59a/FLAG8a3372044 [2021-11-23 15:03:09,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/data/7987bf0f0/4c36de55135c4a189f147c04eb26c59a [2021-11-23 15:03:09,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:09,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:09,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:09,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:09,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:09,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:09" (1/1) ... [2021-11-23 15:03:09,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f6f4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:09, skipping insertion in model container [2021-11-23 15:03:09,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:09" (1/1) ... [2021-11-23 15:03:09,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:09,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:09,995 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_07e73274-ce1f-4bda-bef5-62721285f368/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c[454,467] [2021-11-23 15:03:09,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:10,012 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:10,029 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_07e73274-ce1f-4bda-bef5-62721285f368/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c[454,467] [2021-11-23 15:03:10,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:10,043 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:10,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10 WrapperNode [2021-11-23 15:03:10,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:10,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:10,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:10,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:10,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,081 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-23 15:03:10,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:10,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:10,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:10,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:10,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:10,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:10,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:10,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:10,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:10,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:10,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:10,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-23 15:03:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-23 15:03:10,239 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:10,240 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:10,324 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:10,337 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:03:10,337 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:03:10,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:10 BoogieIcfgContainer [2021-11-23 15:03:10,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:03:10,341 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:03:10,341 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:03:10,355 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:03:10,356 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:03:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:10,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 15:03:10,471 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 15:03:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:03:10,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:10,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:10,530 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:03:10,534 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:605) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:445) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 15:03:10,538 INFO L158 Benchmark]: Toolchain (without parser) took 764.10ms. Allocated memory is still 134.2MB. Free memory was 97.0MB in the beginning and 90.9MB in the end (delta: 6.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:10,539 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory was 105.0MB in the beginning and 105.0MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:10,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.71ms. Allocated memory is still 134.2MB. Free memory was 96.7MB in the beginning and 108.6MB in the end (delta: -11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:10,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.78ms. Allocated memory is still 134.2MB. Free memory was 108.6MB in the beginning and 107.7MB in the end (delta: 927.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:10,541 INFO L158 Benchmark]: Boogie Preprocessor took 23.11ms. Allocated memory is still 134.2MB. Free memory was 107.7MB in the beginning and 106.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:10,542 INFO L158 Benchmark]: RCFGBuilder took 234.04ms. Allocated memory is still 134.2MB. Free memory was 106.4MB in the beginning and 97.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:10,543 INFO L158 Benchmark]: CodeCheck took 194.95ms. Allocated memory is still 134.2MB. Free memory was 97.8MB in the beginning and 90.9MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:10,546 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory was 105.0MB in the beginning and 105.0MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.71ms. Allocated memory is still 134.2MB. Free memory was 96.7MB in the beginning and 108.6MB in the end (delta: -11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.78ms. Allocated memory is still 134.2MB. Free memory was 108.6MB in the beginning and 107.7MB in the end (delta: 927.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.11ms. Allocated memory is still 134.2MB. Free memory was 107.7MB in the beginning and 106.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 234.04ms. Allocated memory is still 134.2MB. Free memory was 106.4MB in the beginning and 97.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 194.95ms. Allocated memory is still 134.2MB. Free memory was 97.8MB in the beginning and 90.9MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:10,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/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_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/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_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/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_07e73274-ce1f-4bda-bef5-62721285f368/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 76955366716759eb9478710f6ef46e3de93d252b9c3177ff4beaca56ee5c75a7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:13,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:13,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:13,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:13,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:13,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:13,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:13,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:13,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:13,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:13,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:13,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:13,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:13,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:13,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:13,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:13,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:13,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:13,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:13,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:13,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:13,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:13,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:13,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:13,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:13,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:13,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:13,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:13,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:13,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:13,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:13,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:13,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:13,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:13,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:13,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:13,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:13,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:13,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:13,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:13,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:13,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:13,195 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:13,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:13,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:13,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:13,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:13,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:13,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:13,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:13,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:13,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:13,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:13,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:13,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:13,202 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:13,202 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:13,203 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:13,203 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:13,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:13,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:13,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:13,204 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:13,204 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:13,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:13,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:13,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:13,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:13,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:13,206 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:13,206 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:13,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:13,207 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:13,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:13,207 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_07e73274-ce1f-4bda-bef5-62721285f368/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76955366716759eb9478710f6ef46e3de93d252b9c3177ff4beaca56ee5c75a7 [2021-11-23 15:03:13,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:13,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:13,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:13,671 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:13,672 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:13,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2021-11-23 15:03:13,760 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/data/7d23af59e/22f1595e7e034f64a7e869c9046391f3/FLAG9da916315 [2021-11-23 15:03:14,420 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:14,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2021-11-23 15:03:14,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/data/7d23af59e/22f1595e7e034f64a7e869c9046391f3/FLAG9da916315 [2021-11-23 15:03:14,706 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/data/7d23af59e/22f1595e7e034f64a7e869c9046391f3 [2021-11-23 15:03:14,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:14,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:14,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:14,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:14,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:14,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29814f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14, skipping insertion in model container [2021-11-23 15:03:14,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:14,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:14,925 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_07e73274-ce1f-4bda-bef5-62721285f368/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c[454,467] [2021-11-23 15:03:14,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:14,956 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:14,974 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_07e73274-ce1f-4bda-bef5-62721285f368/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c[454,467] [2021-11-23 15:03:14,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:14,991 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:14,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14 WrapperNode [2021-11-23 15:03:14,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:14,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:14,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:14,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:15,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:15,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:15,026 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2021-11-23 15:03:15,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:15,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:15,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:15,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:15,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:15,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:15,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:15,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:15,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:15,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:15,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:15,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:15,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:15,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:15,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:15,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:15,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:15,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:15,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:15,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-23 15:03:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-23 15:03:15,226 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:15,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:15,352 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:15,370 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:03:15,370 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:03:15,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:15 BoogieIcfgContainer [2021-11-23 15:03:15,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:03:15,373 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:03:15,373 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:03:15,382 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:03:15,383 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:15" (1/1) ... [2021-11-23 15:03:15,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:03:15,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:15,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 15:03:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 15:03:15,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:03:15,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:15,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:15,492 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 15:03:15,496 INFO L158 Benchmark]: Toolchain (without parser) took 780.93ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 34.0MB in the end (delta: 9.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 15:03:15,497 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:15,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.40ms. Allocated memory is still 62.9MB. Free memory was 43.4MB in the beginning and 33.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:03:15,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.13ms. Allocated memory is still 62.9MB. Free memory was 33.3MB in the beginning and 31.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:15,499 INFO L158 Benchmark]: Boogie Preprocessor took 26.20ms. Allocated memory is still 62.9MB. Free memory was 31.9MB in the beginning and 31.1MB in the end (delta: 834.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:15,500 INFO L158 Benchmark]: RCFGBuilder took 317.89ms. Allocated memory is still 62.9MB. Free memory was 30.9MB in the beginning and 40.3MB in the end (delta: -9.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:15,501 INFO L158 Benchmark]: CodeCheck took 120.96ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 34.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:15,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.40ms. Allocated memory is still 62.9MB. Free memory was 43.4MB in the beginning and 33.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.13ms. Allocated memory is still 62.9MB. Free memory was 33.3MB in the beginning and 31.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.20ms. Allocated memory is still 62.9MB. Free memory was 31.9MB in the beginning and 31.1MB in the end (delta: 834.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.89ms. Allocated memory is still 62.9MB. Free memory was 30.9MB in the beginning and 40.3MB in the end (delta: -9.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * CodeCheck took 120.96ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 34.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:15,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e73274-ce1f-4bda-bef5-62721285f368/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: SMTLIBException: Sort BitVec not declared