./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/McCarthy91-1.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_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/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_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/McCarthy91-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/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_5dacb182-a57f-42fc-9a4d-01485367630d/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 a7241ade69e14c61e98aa837796de568ecf31fbd07f5084e15c262d93cdb3376 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:27,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:27,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:27,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:27,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:27,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:27,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:27,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:27,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:27,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:27,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:27,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:27,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:27,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:27,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:27,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:27,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:27,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:27,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:27,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:27,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:27,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:27,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:27,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:27,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:27,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:27,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:27,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:27,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:27,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:27,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:27,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:27,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:27,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:27,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:27,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:27,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:27,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:27,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:27,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:27,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:27,394 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:27,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:27,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:27,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:27,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:27,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:27,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:27,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:27,448 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:27,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:27,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:27,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:27,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:27,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:27,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:27,457 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:27,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:27,457 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:27,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:27,458 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:27,458 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:27,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:27,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:27,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:27,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:27,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:27,460 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:27,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:27,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:27,460 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_5dacb182-a57f-42fc-9a4d-01485367630d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7241ade69e14c61e98aa837796de568ecf31fbd07f5084e15c262d93cdb3376 [2021-11-23 15:05:27,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:27,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:27,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:27,769 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:27,771 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:27,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive/McCarthy91-1.c [2021-11-23 15:05:27,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/data/55345ea2e/4493d841ee6c45159c48d7f3e1ce0aa1/FLAG99d171b15 [2021-11-23 15:05:28,318 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:28,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/sv-benchmarks/c/recursive/McCarthy91-1.c [2021-11-23 15:05:28,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/data/55345ea2e/4493d841ee6c45159c48d7f3e1ce0aa1/FLAG99d171b15 [2021-11-23 15:05:28,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/data/55345ea2e/4493d841ee6c45159c48d7f3e1ce0aa1 [2021-11-23 15:05:28,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:28,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:28,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:28,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:28,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:28,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:28,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4826f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28, skipping insertion in model container [2021-11-23 15:05:28,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:28" (1/1) ... [2021-11-23 15:05:28,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:28,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:28,991 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_5dacb182-a57f-42fc-9a4d-01485367630d/sv-benchmarks/c/recursive/McCarthy91-1.c[749,762] [2021-11-23 15:05:28,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:29,007 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:29,018 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_5dacb182-a57f-42fc-9a4d-01485367630d/sv-benchmarks/c/recursive/McCarthy91-1.c[749,762] [2021-11-23 15:05:29,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:29,031 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:29,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29 WrapperNode [2021-11-23 15:05:29,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:29,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:29,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:29,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:29,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,060 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-11-23 15:05:29,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:29,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:29,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:29,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:29,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:29,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:29,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:29,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:29,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:29,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:29,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:29,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:29,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure f91 [2021-11-23 15:05:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure f91 [2021-11-23 15:05:29,257 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:29,263 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:29,416 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:29,428 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:05:29,429 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:05:29,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:29 BoogieIcfgContainer [2021-11-23 15:05:29,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:05:29,432 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:05:29,432 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:05:29,442 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:05:29,443 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:05:29,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:29,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-23 15:05:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-23 15:05:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:05:29,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:29,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:29,563 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:05:29,565 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 15:05:29,569 INFO L158 Benchmark]: Toolchain (without parser) took 756.15ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 98.7MB in the end (delta: 20.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-11-23 15:05:29,570 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:29,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.75ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 117.7MB in the end (delta: 421.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:29,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.18ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 116.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:29,573 INFO L158 Benchmark]: Boogie Preprocessor took 15.46ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 115.5MB in the end (delta: 682.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:29,574 INFO L158 Benchmark]: RCFGBuilder took 353.54ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 105.8MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:29,575 INFO L158 Benchmark]: CodeCheck took 135.75ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 98.7MB in the end (delta: 7.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:29,581 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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.75ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 117.7MB in the end (delta: 421.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.18ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 116.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.46ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 115.5MB in the end (delta: 682.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 353.54ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 105.8MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 135.75ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 98.7MB in the end (delta: 7.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:29,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/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_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/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_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/McCarthy91-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/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_5dacb182-a57f-42fc-9a4d-01485367630d/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 a7241ade69e14c61e98aa837796de568ecf31fbd07f5084e15c262d93cdb3376 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:32,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:32,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:32,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:32,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:32,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:32,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:32,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:32,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:32,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:32,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:32,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:32,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:32,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:32,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:32,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:32,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:32,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:32,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:32,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:32,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:32,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:32,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:32,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:32,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:32,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:32,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:32,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:32,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:32,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:32,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:32,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:32,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:32,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:32,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:32,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:32,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:32,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:32,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:32,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:32,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:32,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:32,298 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:32,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:32,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:32,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:32,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:32,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:32,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:32,305 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:32,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:32,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:32,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:32,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:32,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:32,308 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:32,308 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:32,308 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:32,309 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:32,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:32,309 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:32,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:32,309 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:32,310 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:32,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:32,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:32,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:32,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:32,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:32,311 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:32,311 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:32,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:32,312 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:32,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:32,313 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_5dacb182-a57f-42fc-9a4d-01485367630d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7241ade69e14c61e98aa837796de568ecf31fbd07f5084e15c262d93cdb3376 [2021-11-23 15:05:32,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:32,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:32,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:32,738 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:32,741 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:32,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive/McCarthy91-1.c [2021-11-23 15:05:32,824 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/data/72becadb8/033dea83e3214a95aa64743605308063/FLAG52ede9258 [2021-11-23 15:05:33,356 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:33,358 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/sv-benchmarks/c/recursive/McCarthy91-1.c [2021-11-23 15:05:33,364 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/data/72becadb8/033dea83e3214a95aa64743605308063/FLAG52ede9258 [2021-11-23 15:05:33,701 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/data/72becadb8/033dea83e3214a95aa64743605308063 [2021-11-23 15:05:33,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:33,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:33,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:33,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:33,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:33,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:33" (1/1) ... [2021-11-23 15:05:33,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b2aeb84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:33, skipping insertion in model container [2021-11-23 15:05:33,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:33" (1/1) ... [2021-11-23 15:05:33,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:33,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:33,948 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_5dacb182-a57f-42fc-9a4d-01485367630d/sv-benchmarks/c/recursive/McCarthy91-1.c[749,762] [2021-11-23 15:05:33,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:33,974 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:34,001 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_5dacb182-a57f-42fc-9a4d-01485367630d/sv-benchmarks/c/recursive/McCarthy91-1.c[749,762] [2021-11-23 15:05:34,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:34,018 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:34,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:34 WrapperNode [2021-11-23 15:05:34,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:34,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:34,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:34,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:34,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,058 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 15:05:34,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:34,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:34,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:34,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:34,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:34,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:34,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:34,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:34,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:34,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:34,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:34,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:34,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:34,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:34,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:34,185 INFO L130 BoogieDeclarations]: Found specification of procedure f91 [2021-11-23 15:05:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure f91 [2021-11-23 15:05:34,274 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:34,276 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:34,413 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:34,428 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:05:34,428 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:05:34,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:34 BoogieIcfgContainer [2021-11-23 15:05:34,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:05:34,432 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:05:34,433 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:05:34,442 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:05:34,443 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:05:34,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-23 15:05:34,541 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-23 15:05:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:05:34,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:34,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:34,587 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 15:05:34,591 INFO L158 Benchmark]: Toolchain (without parser) took 885.04ms. Allocated memory is still 67.1MB. Free memory was 46.9MB in the beginning and 32.4MB in the end (delta: 14.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:34,592 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:34,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.83ms. Allocated memory is still 67.1MB. Free memory was 46.7MB in the beginning and 49.8MB in the end (delta: -3.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:34,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.29ms. Allocated memory is still 67.1MB. Free memory was 49.8MB in the beginning and 48.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:34,594 INFO L158 Benchmark]: Boogie Preprocessor took 31.49ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 47.3MB in the end (delta: 975.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:34,595 INFO L158 Benchmark]: RCFGBuilder took 339.47ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 38.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:34,596 INFO L158 Benchmark]: CodeCheck took 156.90ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 32.4MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:34,600 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 0.31ms. Allocated memory is still 67.1MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.83ms. Allocated memory is still 67.1MB. Free memory was 46.7MB in the beginning and 49.8MB in the end (delta: -3.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.29ms. Allocated memory is still 67.1MB. Free memory was 49.8MB in the beginning and 48.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.49ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 47.3MB in the end (delta: 975.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 339.47ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 38.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 156.90ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 32.4MB 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 15:05:34,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacb182-a57f-42fc-9a4d-01485367630d/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