./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_b3_o5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b3_o5-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1ab69f0937890c2718fbb3a364dff1229f612b683709e7f1057d021d65f81aa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:26:38,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:26:38,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:26:39,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:26:39,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:26:39,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:26:39,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:26:39,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:26:39,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:26:39,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:26:39,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:26:39,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:26:39,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:26:39,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:26:39,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:26:39,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:26:39,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:26:39,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:26:39,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:26:39,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:26:39,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:26:39,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:26:39,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:26:39,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:26:39,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:26:39,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:26:39,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:26:39,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:26:39,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:26:39,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:26:39,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:26:39,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:26:39,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:26:39,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:26:39,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:26:39,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:26:39,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:26:39,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:26:39,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:26:39,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:26:39,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:26:39,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 23:26:39,195 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:26:39,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:26:39,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:26:39,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:26:39,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:26:39,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:26:39,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:26:39,201 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:26:39,201 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:26:39,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:26:39,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:26:39,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:26:39,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:26:39,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:26:39,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:26:39,204 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:26:39,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:26:39,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:26:39,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:26:39,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:26:39,205 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:26:39,205 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:26:39,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:26:39,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:26:39,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:26:39,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:26:39,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:26:39,207 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:26:39,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:26:39,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:26:39,210 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_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1ab69f0937890c2718fbb3a364dff1229f612b683709e7f1057d021d65f81aa [2021-11-13 23:26:39,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:26:39,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:26:39,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:26:39,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:26:39,530 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:26:39,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/recursive-simple/id_b3_o5-1.c [2021-11-13 23:26:39,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/data/43e162773/1dcc9881eb7540acbdd11dae0e8b8050/FLAG3d9dc85a8 [2021-11-13 23:26:40,176 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:26:40,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/sv-benchmarks/c/recursive-simple/id_b3_o5-1.c [2021-11-13 23:26:40,192 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/data/43e162773/1dcc9881eb7540acbdd11dae0e8b8050/FLAG3d9dc85a8 [2021-11-13 23:26:40,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/data/43e162773/1dcc9881eb7540acbdd11dae0e8b8050 [2021-11-13 23:26:40,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:26:40,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:26:40,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:26:40,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:26:40,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:26:40,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:40" (1/1) ... [2021-11-13 23:26:40,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5257e679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:40, skipping insertion in model container [2021-11-13 23:26:40,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:40" (1/1) ... [2021-11-13 23:26:40,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:26:40,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:26:40,763 WARN L228 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_d49fe50b-147b-4c3a-a436-1777c34f4133/sv-benchmarks/c/recursive-simple/id_b3_o5-1.c[514,527] [2021-11-13 23:26:40,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:26:40,776 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:26:40,793 WARN L228 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_d49fe50b-147b-4c3a-a436-1777c34f4133/sv-benchmarks/c/recursive-simple/id_b3_o5-1.c[514,527] [2021-11-13 23:26:40,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:26:40,810 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:26:40,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:40 WrapperNode [2021-11-13 23:26:40,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:26:40,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:26:40,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:26:40,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:26:40,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:40" (1/1) ... [2021-11-13 23:26:40,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:40" (1/1) ... [2021-11-13 23:26:40,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:26:40,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:26:40,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:26:40,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:26:40,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:40" (1/1) ... [2021-11-13 23:26:40,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:40" (1/1) ... [2021-11-13 23:26:40,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:40" (1/1) ... [2021-11-13 23:26:40,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:40" (1/1) ... [2021-11-13 23:26:40,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:40" (1/1) ... [2021-11-13 23:26:40,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:40" (1/1) ... [2021-11-13 23:26:40,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:40" (1/1) ... [2021-11-13 23:26:40,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:26:40,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:26:40,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:26:40,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:26:40,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:40" (1/1) ... [2021-11-13 23:26:40,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:26:40,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:26:40,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:26:40,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:26:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:26:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:26:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:26:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-13 23:26:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-13 23:26:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:26:41,218 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:26:41,220 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 23:26:41,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:41 BoogieIcfgContainer [2021-11-13 23:26:41,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:26:41,225 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:26:41,225 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:26:41,235 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:26:41,236 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:41" (1/1) ... [2021-11-13 23:26:41,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:26:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2021-11-13 23:26:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-11-13 23:26:41,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:26:41,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:41,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:41,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2021-11-13 23:26:41,693 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2021-11-13 23:26:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:26:41,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:41,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:26:41,716 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:26:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:26:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:26:41,776 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:26:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:26:41,799 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-13 23:26:41,818 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:793) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportCounterexampleResult(CodeCheckObserver.java:763) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:524) 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) [2021-11-13 23:26:41,822 INFO L158 Benchmark]: Toolchain (without parser) took 1295.40ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 43.6MB in the end (delta: 14.9MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2021-11-13 23:26:41,823 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:26:41,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.74ms. Allocated memory is still 98.6MB. Free memory was 58.2MB in the beginning and 74.7MB in the end (delta: -16.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 23:26:41,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.76ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 73.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:26:41,826 INFO L158 Benchmark]: Boogie Preprocessor took 21.58ms. Allocated memory is still 98.6MB. Free memory was 73.4MB in the beginning and 72.5MB in the end (delta: 885.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:26:41,827 INFO L158 Benchmark]: RCFGBuilder took 349.44ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 61.8MB in the end (delta: 10.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 23:26:41,827 INFO L158 Benchmark]: CodeCheck took 596.78ms. Allocated memory is still 98.6MB. Free memory was 61.8MB in the beginning and 43.6MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-13 23:26:41,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 45.29ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 37.61ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 4 mSDtfsCounter, 17 mSolverCounterSat, 1.35ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.74ms. Allocated memory is still 98.6MB. Free memory was 58.2MB in the beginning and 74.7MB in the end (delta: -16.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.76ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 73.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.58ms. Allocated memory is still 98.6MB. Free memory was 73.4MB in the beginning and 72.5MB in the end (delta: 885.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.44ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 61.8MB in the end (delta: 10.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 596.78ms. Allocated memory is still 98.6MB. Free memory was 61.8MB in the beginning and 43.6MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:26:41,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d49fe50b-147b-4c3a-a436-1777c34f4133/bin/ukojak-2xVlg8857e/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null