./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/MultCommutative-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/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_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/MultCommutative-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/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 64bit --witnessprinter.graph.data.programhash 2f58e1f128e4dbefcdb138e1f7ef5e4260326da20e0bd376d80fe12a55b55920 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:05:03,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:05:03,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:05:03,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:05:03,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:05:03,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:05:03,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:05:03,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:05:03,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:05:03,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:05:03,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:05:03,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:05:03,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:05:03,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:05:03,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:05:03,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:05:03,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:05:03,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:05:03,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:05:03,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:05:03,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:05:03,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:05:03,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:05:03,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:05:03,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:05:03,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:05:03,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:05:03,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:05:03,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:05:03,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:05:03,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:05:03,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:05:03,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:05:03,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:05:03,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:05:03,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:05:03,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:05:03,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:05:03,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:05:03,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:05:03,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:05:03,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 21:05:03,628 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:05:03,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:05:03,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:05:03,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:05:03,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:05:03,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:05:03,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:05:03,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:05:03,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:05:03,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:05:03,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:05:03,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:05:03,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:05:03,639 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 21:05:03,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:05:03,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:05:03,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:05:03,640 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:05:03,644 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:05:03,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:05:03,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:05:03,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:05:03,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:05:03,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:05:03,646 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:05:03,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:05:03,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:05:03,647 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_eb3da299-7dea-49b3-b8dc-9053baa367dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f58e1f128e4dbefcdb138e1f7ef5e4260326da20e0bd376d80fe12a55b55920 [2021-11-13 21:05:03,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:05:03,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:05:03,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:05:03,990 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:05:03,991 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:05:03,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-numeric/MultCommutative-1.c [2021-11-13 21:05:04,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/data/8084d9282/6d67d2ad8a074c738b405821fb538028/FLAGf7126ba23 [2021-11-13 21:05:04,501 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:05:04,501 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/sv-benchmarks/c/termination-numeric/MultCommutative-1.c [2021-11-13 21:05:04,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/data/8084d9282/6d67d2ad8a074c738b405821fb538028/FLAGf7126ba23 [2021-11-13 21:05:04,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/data/8084d9282/6d67d2ad8a074c738b405821fb538028 [2021-11-13 21:05:04,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:05:04,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:05:04,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:05:04,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:05:04,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:05:04,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:04" (1/1) ... [2021-11-13 21:05:04,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1c24f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:04, skipping insertion in model container [2021-11-13 21:05:04,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:04" (1/1) ... [2021-11-13 21:05:04,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:05:04,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:05:05,066 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_eb3da299-7dea-49b3-b8dc-9053baa367dd/sv-benchmarks/c/termination-numeric/MultCommutative-1.c[1008,1021] [2021-11-13 21:05:05,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:05:05,075 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:05:05,090 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_eb3da299-7dea-49b3-b8dc-9053baa367dd/sv-benchmarks/c/termination-numeric/MultCommutative-1.c[1008,1021] [2021-11-13 21:05:05,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:05:05,102 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:05:05,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:05 WrapperNode [2021-11-13 21:05:05,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:05:05,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:05:05,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:05:05,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:05:05,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:05" (1/1) ... [2021-11-13 21:05:05,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:05" (1/1) ... [2021-11-13 21:05:05,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:05:05,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:05:05,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:05:05,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:05:05,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:05" (1/1) ... [2021-11-13 21:05:05,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:05" (1/1) ... [2021-11-13 21:05:05,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:05" (1/1) ... [2021-11-13 21:05:05,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:05" (1/1) ... [2021-11-13 21:05:05,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:05" (1/1) ... [2021-11-13 21:05:05,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:05" (1/1) ... [2021-11-13 21:05:05,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:05" (1/1) ... [2021-11-13 21:05:05,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:05:05,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:05:05,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:05:05,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:05:05,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:05" (1/1) ... [2021-11-13 21:05:05,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:05:05,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:05:05,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:05:05,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:05:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2021-11-13 21:05:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2021-11-13 21:05:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:05:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:05:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:05:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:05:05,553 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:05:05,554 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 21:05:05,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:05 BoogieIcfgContainer [2021-11-13 21:05:05,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:05:05,557 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:05:05,557 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:05:05,568 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:05:05,569 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:05" (1/1) ... [2021-11-13 21:05:05,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:05:05,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:05,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2021-11-13 21:05:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-11-13 21:05:05,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:05:05,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:05,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:05,920 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 21:05:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 40 transitions. [2021-11-13 21:05:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2021-11-13 21:05:06,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:05:06,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,148 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 21:05:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 47 transitions. [2021-11-13 21:05:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2021-11-13 21:05:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:05:06,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,344 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 21:05:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 46 transitions. [2021-11-13 21:05:06,368 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2021-11-13 21:05:06,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:05:06,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 51 transitions. [2021-11-13 21:05:06,618 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2021-11-13 21:05:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:05:06,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 49 transitions. [2021-11-13 21:05:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2021-11-13 21:05:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:05:06,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:05:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 48 transitions. [2021-11-13 21:05:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2021-11-13 21:05:07,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:05:07,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:07,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:07,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 51 transitions. [2021-11-13 21:05:07,218 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2021-11-13 21:05:07,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 21:05:07,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:07,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:07,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 50 transitions. [2021-11-13 21:05:07,660 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2021-11-13 21:05:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:05:07,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:07,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:07,724 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:05:07,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:07,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 22 states and 26 transitions. [2021-11-13 21:05:07,881 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-11-13 21:05:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:05:07,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:07,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:08,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 32 states and 43 transitions. [2021-11-13 21:05:08,778 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2021-11-13 21:05:08,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:05:08,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:08,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:08,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:09,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:09,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 41 states and 57 transitions. [2021-11-13 21:05:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2021-11-13 21:05:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:05:09,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:09,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:05:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:11,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 45 states and 73 transitions. [2021-11-13 21:05:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2021-11-13 21:05:11,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 21:05:11,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:11,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:05:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:13,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 55 states and 104 transitions. [2021-11-13 21:05:13,068 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2021-11-13 21:05:13,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 21:05:13,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:13,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:05:13,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:13,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 58 states and 111 transitions. [2021-11-13 21:05:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 111 transitions. [2021-11-13 21:05:13,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 21:05:13,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:13,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 21:05:13,416 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 21:05:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 21:05:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 21:05:13,477 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 21:05:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 21:05:13,553 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2021-11-13 21:05:13,598 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 21:05:13,618 INFO L158 Benchmark]: Toolchain (without parser) took 8744.98ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 50.4MB in the beginning and 81.1MB in the end (delta: -30.7MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2021-11-13 21:05:13,619 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 88.1MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:05:13,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.93ms. Allocated memory is still 88.1MB. Free memory was 50.2MB in the beginning and 63.6MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 21:05:13,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.21ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 62.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 21:05:13,621 INFO L158 Benchmark]: Boogie Preprocessor took 19.41ms. Allocated memory is still 88.1MB. Free memory was 61.9MB in the beginning and 61.0MB in the end (delta: 912.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:05:13,622 INFO L158 Benchmark]: RCFGBuilder took 397.19ms. Allocated memory is still 88.1MB. Free memory was 61.0MB in the beginning and 50.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 21:05:13,623 INFO L158 Benchmark]: CodeCheck took 8059.90ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 50.1MB in the beginning and 81.1MB in the end (delta: -31.1MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2021-11-13 21:05:13,628 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, 30 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 15, 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, 976 SdHoareTripleChecker+Valid, 3902.07ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 530 mSDsluCounter, 646 SdHoareTripleChecker+Invalid, 3093.24ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 218 mSDsCounter, 708 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2704 IncrementalHoareTripleChecker+Invalid, 3412 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 708 mSolverCounterUnsat, 428 mSDtfsCounter, 2704 mSolverCounterSat, 105.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2424 GetRequests, 2199 SyntacticMatches, 61 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10058 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 30/95 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 0.63ms. Allocated memory is still 88.1MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.93ms. Allocated memory is still 88.1MB. Free memory was 50.2MB in the beginning and 63.6MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.21ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 62.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.41ms. Allocated memory is still 88.1MB. Free memory was 61.9MB in the beginning and 61.0MB in the end (delta: 912.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 397.19ms. Allocated memory is still 88.1MB. Free memory was 61.0MB in the beginning and 50.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 8059.90ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 50.1MB in the beginning and 81.1MB in the end (delta: -31.1MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 21:05:13,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3da299-7dea-49b3-b8dc-9053baa367dd/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_eb3da299-7dea-49b3-b8dc-9053baa367dd/bin/ukojak-2xVlg8857e/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null