./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/structure_assignment.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/structure_assignment.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY --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 f11d326fba067c528f15a7a2a7382b541f694d60 ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:31:24,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:31:24,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:31:24,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:31:24,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:31:24,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:31:24,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:31:24,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:31:24,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:31:24,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:31:24,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:31:24,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:31:24,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:31:24,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:31:24,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:31:24,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:31:24,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:31:24,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:31:24,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:31:24,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:31:24,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:31:24,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:31:24,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:31:24,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:31:24,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:31:24,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:31:24,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:31:24,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:31:24,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:31:24,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:31:24,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:31:24,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:31:24,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:31:24,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:31:24,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:31:24,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:31:24,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:31:24,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:31:24,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:31:24,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:31:24,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:31:24,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 03:31:24,809 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:31:24,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:31:24,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:31:24,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:31:24,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:31:24,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:31:24,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:31:24,812 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 03:31:24,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:31:24,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 03:31:24,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:31:24,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:31:24,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:31:24,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:31:24,814 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 03:31:24,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:31:24,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:31:24,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:31:24,814 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:31:24,815 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:31:24,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:31:24,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:31:24,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:31:24,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:31:24,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:31:24,816 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:31:24,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:31:24,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:31:24,817 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_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f11d326fba067c528f15a7a2a7382b541f694d60 [2021-10-13 03:31:25,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:31:25,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:31:25,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:31:25,120 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:31:25,121 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:31:25,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/ldv-regression/structure_assignment.i [2021-10-13 03:31:25,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/data/a9f8cf9d7/0595141580444ab89ff4fcfd5b4494e9/FLAGa75775252 [2021-10-13 03:31:25,633 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:31:25,633 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/sv-benchmarks/c/ldv-regression/structure_assignment.i [2021-10-13 03:31:25,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/data/a9f8cf9d7/0595141580444ab89ff4fcfd5b4494e9/FLAGa75775252 [2021-10-13 03:31:26,030 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/data/a9f8cf9d7/0595141580444ab89ff4fcfd5b4494e9 [2021-10-13 03:31:26,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:31:26,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:31:26,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:31:26,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:31:26,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:31:26,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a266be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:31:26, skipping insertion in model container [2021-10-13 03:31:26,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:31:26,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:31:26,224 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_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/sv-benchmarks/c/ldv-regression/structure_assignment.i[305,318] [2021-10-13 03:31:26,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:31:26,245 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:31:26,255 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_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/sv-benchmarks/c/ldv-regression/structure_assignment.i[305,318] [2021-10-13 03:31:26,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:31:26,270 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:31:26,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:31:26 WrapperNode [2021-10-13 03:31:26,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:31:26,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:31:26,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:31:26,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:31:26,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:31:26,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:31:26,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:31:26,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:31:26,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:31:26,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:31:26,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:31:26,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:31:26,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:31:26,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:31:26,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:31:26,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:31:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 03:31:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:31:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:31:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 03:31:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:31:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:31:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 03:31:26,618 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:31:26,618 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 03:31:26,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:31:26 BoogieIcfgContainer [2021-10-13 03:31:26,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:31:26,622 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:31:26,622 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:31:26,631 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:31:26,631 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:31:26" (1/1) ... [2021-10-13 03:31:26,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:31:26,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:31:26,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-10-13 03:31:26,672 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2021-10-13 03:31:26,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 03:31:26,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:31:26,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:31:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:31:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:31:26,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:31:26,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2021-10-13 03:31:26,944 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2021-10-13 03:31:26,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 03:31:26,944 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2021-10-13 03:31:26,951 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-13 03:31:26,971 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:31:26,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:31:26 ImpRootNode [2021-10-13 03:31:26,983 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:31:26,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:31:26,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:31:26,984 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:31:26,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:31:26" (3/4) ... [2021-10-13 03:31:26,988 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 03:31:26,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 03:31:26,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 03:31:26,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 03:31:26,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 03:31:27,064 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:31:27,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:31:27,067 INFO L168 Benchmark]: Toolchain (without parser) took 1031.62 ms. Allocated memory is still 130.0 MB. Free memory was 96.0 MB in the beginning and 80.1 MB in the end (delta: 15.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-13 03:31:27,067 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 57.0 MB in the beginning and 57.0 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:31:27,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.22 ms. Allocated memory is still 130.0 MB. Free memory was 95.5 MB in the beginning and 106.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:31:27,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.04 ms. Allocated memory is still 130.0 MB. Free memory was 106.0 MB in the beginning and 104.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:31:27,070 INFO L168 Benchmark]: Boogie Preprocessor took 18.39 ms. Allocated memory is still 130.0 MB. Free memory was 104.6 MB in the beginning and 103.9 MB in the end (delta: 687.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:31:27,070 INFO L168 Benchmark]: RCFGBuilder took 291.82 ms. Allocated memory is still 130.0 MB. Free memory was 103.9 MB in the beginning and 92.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 03:31:27,071 INFO L168 Benchmark]: CodeCheck took 360.72 ms. Allocated memory is still 130.0 MB. Free memory was 92.7 MB in the beginning and 82.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 03:31:27,072 INFO L168 Benchmark]: Witness Printer took 81.10 ms. Allocated memory is still 130.0 MB. Free memory was 82.2 MB in the beginning and 80.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:31:27,075 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 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 293.3ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 41.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 6.1ms SsaConstructionTime, 47.9ms SatisfiabilityAnalysisTime, 119.9ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 11]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 57.0 MB in the beginning and 57.0 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 232.22 ms. Allocated memory is still 130.0 MB. Free memory was 95.5 MB in the beginning and 106.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.04 ms. Allocated memory is still 130.0 MB. Free memory was 106.0 MB in the beginning and 104.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.39 ms. Allocated memory is still 130.0 MB. Free memory was 104.6 MB in the beginning and 103.9 MB in the end (delta: 687.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 291.82 ms. Allocated memory is still 130.0 MB. Free memory was 103.9 MB in the beginning and 92.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 360.72 ms. Allocated memory is still 130.0 MB. Free memory was 92.7 MB in the beginning and 82.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 81.10 ms. Allocated memory is still 130.0 MB. Free memory was 82.2 MB in the beginning and 80.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 03:31:27,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c5d6401-bf27-4952-af1f-d0f9444ed3b0/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...