./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.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_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/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_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/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_520ee83b-f2d8-4a27-b009-902860253dc1/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 5a6f0ceb44f91fbf2c30fb7a6cf4ec4645c0e639d55219bc8a5d1521d1ed7589 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:11,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:11,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:11,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:11,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:11,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:11,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:11,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:11,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:11,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:11,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:11,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:11,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:11,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:11,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:11,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:11,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:11,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:11,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:11,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:11,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:11,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:11,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:11,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:11,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:11,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:11,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:11,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:11,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:11,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:11,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:11,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:11,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:11,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:11,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:11,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:11,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:11,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:11,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:11,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:11,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:11,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:59:11,905 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:11,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:11,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:11,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:11,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:11,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:11,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:11,909 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:11,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:59:11,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:11,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:11,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:11,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:11,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:11,917 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:11,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:11,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:11,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:11,918 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:11,918 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:11,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:11,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:11,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:11,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:11,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:11,920 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:59:11,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:59:11,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:11,920 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_520ee83b-f2d8-4a27-b009-902860253dc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a6f0ceb44f91fbf2c30fb7a6cf4ec4645c0e639d55219bc8a5d1521d1ed7589 [2021-11-23 15:59:12,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:12,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:12,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:12,223 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:12,224 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:12,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2021-11-23 15:59:12,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/data/e2bff4d1c/611ce403e6084934bd704f6fef0b9ba6/FLAG12e822df8 [2021-11-23 15:59:12,783 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:12,786 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2021-11-23 15:59:12,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/data/e2bff4d1c/611ce403e6084934bd704f6fef0b9ba6/FLAG12e822df8 [2021-11-23 15:59:13,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/data/e2bff4d1c/611ce403e6084934bd704f6fef0b9ba6 [2021-11-23 15:59:13,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:13,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:13,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:13,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:13,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:13,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145bbbd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13, skipping insertion in model container [2021-11-23 15:59:13,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:13,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:13,386 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_520ee83b-f2d8-4a27-b009-902860253dc1/sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c[548,561] [2021-11-23 15:59:13,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:13,399 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:13,417 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_520ee83b-f2d8-4a27-b009-902860253dc1/sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c[548,561] [2021-11-23 15:59:13,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:13,433 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:13,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13 WrapperNode [2021-11-23 15:59:13,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:13,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:13,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:13,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:13,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,467 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-23 15:59:13,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:13,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:13,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:13,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:13,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:13,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:13,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:13,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:13,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:13,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:13,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:13,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:13,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:13,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:59:13,581 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-11-23 15:59:13,582 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-11-23 15:59:13,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:13,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:13,582 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-23 15:59:13,583 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-23 15:59:13,657 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:13,659 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:13,819 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:13,834 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:59:13,837 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:59:13,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:59:13 BoogieIcfgContainer [2021-11-23 15:59:13,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:59:13,842 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:59:13,842 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:59:13,854 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:59:13,855 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:59:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:13,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-23 15:59:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-23 15:59:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:59:13,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:13,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:14,003 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:59:14,007 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 15:59:14,012 INFO L158 Benchmark]: Toolchain (without parser) took 840.54ms. Allocated memory is still 115.3MB. Free memory was 80.8MB in the beginning and 72.5MB in the end (delta: 8.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:14,013 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory was 87.6MB in the beginning and 87.5MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:14,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.73ms. Allocated memory is still 115.3MB. Free memory was 80.8MB in the beginning and 91.4MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:14,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.62ms. Allocated memory is still 115.3MB. Free memory was 91.4MB in the beginning and 89.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:14,015 INFO L158 Benchmark]: Boogie Preprocessor took 18.13ms. Allocated memory is still 115.3MB. Free memory was 89.9MB in the beginning and 89.2MB in the end (delta: 732.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:14,016 INFO L158 Benchmark]: RCFGBuilder took 354.24ms. Allocated memory is still 115.3MB. Free memory was 89.2MB in the beginning and 79.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:59:14,016 INFO L158 Benchmark]: CodeCheck took 167.48ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 72.5MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:14,021 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 0.35ms. Allocated memory is still 115.3MB. Free memory was 87.6MB in the beginning and 87.5MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.73ms. Allocated memory is still 115.3MB. Free memory was 80.8MB in the beginning and 91.4MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.62ms. Allocated memory is still 115.3MB. Free memory was 91.4MB in the beginning and 89.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.13ms. Allocated memory is still 115.3MB. Free memory was 89.9MB in the beginning and 89.2MB in the end (delta: 732.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 354.24ms. Allocated memory is still 115.3MB. Free memory was 89.2MB in the beginning and 79.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 167.48ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 72.5MB in the end (delta: 6.9MB). 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 15:59:14,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/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_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/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_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/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_520ee83b-f2d8-4a27-b009-902860253dc1/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 5a6f0ceb44f91fbf2c30fb7a6cf4ec4645c0e639d55219bc8a5d1521d1ed7589 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:16,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:16,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:16,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:16,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:16,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:16,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:16,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:16,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:16,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:16,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:16,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:16,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:16,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:16,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:16,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:16,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:16,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:16,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:16,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:16,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:16,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:16,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:16,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:16,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:16,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:16,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:16,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:16,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:16,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:16,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:16,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:16,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:16,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:16,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:16,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:16,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:16,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:16,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:16,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:16,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:16,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:16,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:16,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:16,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:16,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:16,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:16,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:16,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:16,903 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:16,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:16,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:16,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:16,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:16,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:16,905 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:16,905 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:16,906 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:16,906 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:16,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:16,906 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:16,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:16,907 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:16,907 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:16,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:16,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:16,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:16,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:16,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:16,909 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:16,909 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:16,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:16,909 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:16,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:16,910 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_520ee83b-f2d8-4a27-b009-902860253dc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a6f0ceb44f91fbf2c30fb7a6cf4ec4645c0e639d55219bc8a5d1521d1ed7589 [2021-11-23 15:59:17,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:17,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:17,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:17,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:17,349 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:17,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2021-11-23 15:59:17,446 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/data/3f6680dc2/3f31ad42d3cc4f3bb64579f9c90a9fc7/FLAGef05ab102 [2021-11-23 15:59:17,984 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:17,985 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c [2021-11-23 15:59:17,992 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/data/3f6680dc2/3f31ad42d3cc4f3bb64579f9c90a9fc7/FLAGef05ab102 [2021-11-23 15:59:18,353 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/data/3f6680dc2/3f31ad42d3cc4f3bb64579f9c90a9fc7 [2021-11-23 15:59:18,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:18,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:18,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:18,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:18,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:18,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:18" (1/1) ... [2021-11-23 15:59:18,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212df101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:18, skipping insertion in model container [2021-11-23 15:59:18,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:18" (1/1) ... [2021-11-23 15:59:18,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:18,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:18,538 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_520ee83b-f2d8-4a27-b009-902860253dc1/sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c[548,561] [2021-11-23 15:59:18,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:18,554 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:18,570 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_520ee83b-f2d8-4a27-b009-902860253dc1/sv-benchmarks/c/recursive-simple/id2_i5_o5-1.c[548,561] [2021-11-23 15:59:18,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:18,586 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:18,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:18 WrapperNode [2021-11-23 15:59:18,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:18,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:18,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:18,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:18,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:18" (1/1) ... [2021-11-23 15:59:18,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:18" (1/1) ... [2021-11-23 15:59:18,655 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2021-11-23 15:59:18,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:18,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:18,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:18,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:18,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:18" (1/1) ... [2021-11-23 15:59:18,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:18" (1/1) ... [2021-11-23 15:59:18,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:18" (1/1) ... [2021-11-23 15:59:18,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:18" (1/1) ... [2021-11-23 15:59:18,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:18" (1/1) ... [2021-11-23 15:59:18,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:18" (1/1) ... [2021-11-23 15:59:18,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:18" (1/1) ... [2021-11-23 15:59:18,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:18,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:18,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:18,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:18,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:18" (1/1) ... [2021-11-23 15:59:18,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:18,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:18,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:18,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-11-23 15:59:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-11-23 15:59:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-23 15:59:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-23 15:59:18,885 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:18,887 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:19,026 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:19,040 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:59:19,040 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:59:19,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:59:19 BoogieIcfgContainer [2021-11-23 15:59:19,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:59:19,044 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:59:19,045 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:59:19,053 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:59:19,054 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:59:19" (1/1) ... [2021-11-23 15:59:19,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:59:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:19,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-23 15:59:19,133 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-23 15:59:19,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:59:19,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:19,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:19,190 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 15:59:19,194 INFO L158 Benchmark]: Toolchain (without parser) took 834.97ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 29.3MB in the beginning and 37.0MB in the end (delta: -7.7MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:19,195 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:19,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.42ms. Allocated memory is still 52.4MB. Free memory was 29.1MB in the beginning and 32.6MB in the end (delta: -3.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:19,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.65ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 32.6MB in the beginning and 53.0MB in the end (delta: -20.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:19,204 INFO L158 Benchmark]: Boogie Preprocessor took 45.33ms. Allocated memory is still 69.2MB. Free memory was 53.0MB in the beginning and 52.1MB in the end (delta: 892.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:19,205 INFO L158 Benchmark]: RCFGBuilder took 341.21ms. Allocated memory is still 69.2MB. Free memory was 51.9MB in the beginning and 43.3MB in the end (delta: 8.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:19,206 INFO L158 Benchmark]: CodeCheck took 147.66ms. Allocated memory is still 69.2MB. Free memory was 43.3MB in the beginning and 37.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:19,210 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 0.34ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.42ms. Allocated memory is still 52.4MB. Free memory was 29.1MB in the beginning and 32.6MB in the end (delta: -3.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.65ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 32.6MB in the beginning and 53.0MB in the end (delta: -20.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.33ms. Allocated memory is still 69.2MB. Free memory was 53.0MB in the beginning and 52.1MB in the end (delta: 892.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 341.21ms. Allocated memory is still 69.2MB. Free memory was 51.9MB in the beginning and 43.3MB in the end (delta: 8.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 147.66ms. Allocated memory is still 69.2MB. Free memory was 43.3MB in the beginning and 37.0MB in the end (delta: 6.3MB). 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 15:59:19,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520ee83b-f2d8-4a27-b009-902860253dc1/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