./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ed2f79dd7eb34d7f468c81f6f234938dec012581166f8f07d8a0cec95998c6d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:23:50,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:23:50,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:23:50,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:23:50,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:23:50,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:23:50,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:23:50,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:23:50,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:23:50,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:23:50,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:23:50,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:23:50,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:23:50,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:23:50,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:23:50,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:23:50,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:23:50,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:23:50,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:23:50,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:23:50,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:23:50,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:23:50,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:23:50,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:23:50,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:23:50,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:23:50,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:23:50,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:23:50,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:23:50,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:23:50,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:23:50,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:23:50,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:23:50,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:23:50,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:23:50,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:23:50,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:23:50,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:23:50,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:23:50,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:23:50,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:23:50,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 04:23:50,896 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:23:50,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:23:50,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:23:50,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:23:50,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:23:50,898 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:23:50,899 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:23:50,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:23:50,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:23:50,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:23:50,900 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:23:50,900 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:23:50,900 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:23:50,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:23:50,900 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:23:50,901 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:23:50,901 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:23:50,901 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:23:50,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:23:50,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:23:50,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:23:50,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:23:50,902 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:23:50,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:23:50,903 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_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ed2f79dd7eb34d7f468c81f6f234938dec012581166f8f07d8a0cec95998c6d [2021-10-29 04:23:51,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:23:51,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:23:51,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:23:51,171 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:23:51,172 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:23:51,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6.i [2021-10-29 04:23:51,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/data/0bc069454/026da4805cfe49578f48fff6c2f66a2d/FLAG16feee4c4 [2021-10-29 04:23:51,779 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:23:51,779 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/sv-benchmarks/c/ldv-memsafety/memleaks_test6.i [2021-10-29 04:23:51,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/data/0bc069454/026da4805cfe49578f48fff6c2f66a2d/FLAG16feee4c4 [2021-10-29 04:23:52,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/data/0bc069454/026da4805cfe49578f48fff6c2f66a2d [2021-10-29 04:23:52,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:23:52,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:23:52,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:23:52,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:23:52,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:23:52,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:23:52" (1/1) ... [2021-10-29 04:23:52,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f04a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:52, skipping insertion in model container [2021-10-29 04:23:52,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:23:52" (1/1) ... [2021-10-29 04:23:52,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:23:52,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:23:52,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:23:52,555 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:23:52,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:23:52,644 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:23:52,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:52 WrapperNode [2021-10-29 04:23:52,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:23:52,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:23:52,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:23:52,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:23:52,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:52" (1/1) ... [2021-10-29 04:23:52,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:52" (1/1) ... [2021-10-29 04:23:52,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:23:52,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:23:52,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:23:52,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:23:52,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:52" (1/1) ... [2021-10-29 04:23:52,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:52" (1/1) ... [2021-10-29 04:23:52,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:52" (1/1) ... [2021-10-29 04:23:52,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:52" (1/1) ... [2021-10-29 04:23:52,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:52" (1/1) ... [2021-10-29 04:23:52,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:52" (1/1) ... [2021-10-29 04:23:52,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:52" (1/1) ... [2021-10-29 04:23:52,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:23:52,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:23:52,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:23:52,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:23:52,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:52" (1/1) ... [2021-10-29 04:23:52,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:23:52,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:23:52,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:23:52,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:23:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:23:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 04:23:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:23:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 04:23:52,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:23:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 04:23:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:23:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:23:53,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:23:53,421 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-29 04:23:53,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:23:53 BoogieIcfgContainer [2021-10-29 04:23:53,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:23:53,427 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:23:53,427 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:23:53,438 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:23:53,439 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:23:53" (1/1) ... [2021-10-29 04:23:53,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:23:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2021-10-29 04:23:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-10-29 04:23:53,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:23:53,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:53,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:53,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2021-10-29 04:23:53,818 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2021-10-29 04:23:53,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:23:53,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:53,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2021-10-29 04:23:53,883 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-10-29 04:23:53,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:23:53,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:53,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:54,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:54,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2021-10-29 04:23:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2021-10-29 04:23:54,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:23:54,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:54,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:54,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:54,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2021-10-29 04:23:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-10-29 04:23:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:23:54,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:54,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2021-10-29 04:23:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-10-29 04:23:54,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:23:54,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:54,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2021-10-29 04:23:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2021-10-29 04:23:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:23:55,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:55,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:55,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2021-10-29 04:23:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2021-10-29 04:23:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:23:55,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:55,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:55,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:55,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2021-10-29 04:23:55,963 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2021-10-29 04:23:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:23:55,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:55,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:56,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:56,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2021-10-29 04:23:56,845 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2021-10-29 04:23:56,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:23:56,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:56,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:56,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2021-10-29 04:23:56,882 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2021-10-29 04:23:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:23:56,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:56,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:56,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:57,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:57,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2021-10-29 04:23:57,893 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2021-10-29 04:23:57,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:23:57,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:57,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:58,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2021-10-29 04:23:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2021-10-29 04:23:59,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:23:59,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:59,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:59,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2021-10-29 04:23:59,777 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-10-29 04:23:59,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:23:59,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:59,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:00,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:00,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2021-10-29 04:24:00,460 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2021-10-29 04:24:00,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:24:00,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:00,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:00,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:00,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2021-10-29 04:24:00,995 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2021-10-29 04:24:00,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:24:00,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:00,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:01,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:02,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:02,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2021-10-29 04:24:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2021-10-29 04:24:02,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:24:02,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:02,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:02,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:03,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:03,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2021-10-29 04:24:03,364 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2021-10-29 04:24:03,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:24:03,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:03,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:05,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2021-10-29 04:24:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2021-10-29 04:24:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:24:05,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:05,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:05,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2021-10-29 04:24:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2021-10-29 04:24:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:24:06,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:06,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:07,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:09,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2021-10-29 04:24:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2021-10-29 04:24:09,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:24:09,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:09,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:09,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2021-10-29 04:24:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2021-10-29 04:24:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:24:11,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:11,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:11,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:11,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2021-10-29 04:24:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-10-29 04:24:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:24:11,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:11,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:14,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:14,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2021-10-29 04:24:14,645 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2021-10-29 04:24:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:24:14,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:14,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2021-10-29 04:24:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2021-10-29 04:24:19,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:24:19,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:19,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:19,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:19,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2021-10-29 04:24:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-10-29 04:24:19,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:24:19,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:19,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:23,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:23,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-10-29 04:24:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-10-29 04:24:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:24:23,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:23,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:25,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:29,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2021-10-29 04:24:29,579 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-10-29 04:24:29,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:24:29,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:29,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2021-10-29 04:24:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-10-29 04:24:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:24:32,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:32,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:33,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:39,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:39,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2021-10-29 04:24:39,262 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-10-29 04:24:39,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:24:39,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:24:39,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:24:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:24:39,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:24:39,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:24:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2021-10-29 04:24:39,905 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2021-10-29 04:24:39,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:24:39,905 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2021-10-29 04:24:39,912 INFO L759 CodeCheckObserver]: All specifications hold 13 specifications checked. All of them hold [2021-10-29 04:24:40,249 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:24:40,253 INFO L565 CodeCheckObserver]: Invariant with dag size 43 [2021-10-29 04:24:40,260 INFO L565 CodeCheckObserver]: Invariant with dag size 30 [2021-10-29 04:24:40,262 INFO L565 CodeCheckObserver]: Invariant with dag size 36 [2021-10-29 04:24:40,264 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-29 04:24:40,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,266 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-29 04:24:40,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,274 INFO L565 CodeCheckObserver]: Invariant with dag size 31 [2021-10-29 04:24:40,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:24:40 ImpRootNode [2021-10-29 04:24:40,277 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:24:40,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:24:40,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:24:40,278 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:24:40,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:23:53" (3/4) ... [2021-10-29 04:24:40,282 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:24:40,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-29 04:24:40,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:24:40,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:24:40,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((unknown-#length-unknown[a] == 4 && (p + 1 <= unknown-#StackHeapBarrier-unknown || p == 0)) && (\old(unknown-main_\old_#valid-unknown) == \valid || !(p == 0))) && (\valid[p] == 1 || p == 0)) && a == 0) && \valid[a] == 1) && (p == 0 || \valid[p := 0][a6] == 1)) && a == a6) && p <= 0) && 3 <= ret) && (\valid[p := 0] == \old(unknown-main_\old_#valid-unknown) || p == 0)) && 0 < p + 1) && a6 == 0 [2021-10-29 04:24:40,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(unknown-main_\old_#valid-unknown) == \valid && unknown-#length-unknown[a6] == 4) && \valid[a6] == 1) && !(\result == 0)) && a6 == 0) || ((((((((\valid[#memory_$Pointer$[a6][a6] := 0] == \old(unknown-main_\old_#valid-unknown) && #memory_$Pointer$[a6][a6] == 0) && unknown-#length-unknown[a6] == 4) && \valid[#memory_$Pointer$[a6][a6]] == 1) && \valid[a6] == 1) && !(#memory_$Pointer$[a6][a6] == a6)) && #memory_$Pointer$[a6][a6] + 1 <= unknown-#StackHeapBarrier-unknown) && a6 == 0) && \result == 0) [2021-10-29 04:24:40,336 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((unknown-#length-unknown[a] == 4 && a == 0) && a == a6) && \valid[p := 0] == \old(unknown-main_\old_#valid-unknown)) && p + 1 <= unknown-#StackHeapBarrier-unknown) && p <= 0) && \valid[p] == 1) && 0 < p + 1) && \valid[p := 0][a6] == 1) && a6 == 0 [2021-10-29 04:24:40,336 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\valid[p] == 1 || p == 0) && ret + 1 <= 0) && unknown-#length-unknown[a6] == 4) && \valid[p := 0] == \old(unknown-main_\old_#valid-unknown)) && p + 1 <= unknown-#StackHeapBarrier-unknown) && p <= 0) && 0 < p + 1) && \valid[p := 0][a6] == 1) && a6 == 0 [2021-10-29 04:24:40,379 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:24:40,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:24:40,381 INFO L168 Benchmark]: Toolchain (without parser) took 48290.16 ms. Allocated memory was 98.6 MB in the beginning and 436.2 MB in the end (delta: 337.6 MB). Free memory was 64.7 MB in the beginning and 317.8 MB in the end (delta: -253.1 MB). Peak memory consumption was 82.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:40,381 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 98.6 MB. Free memory was 55.4 MB in the beginning and 55.4 MB in the end (delta: 38.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:24:40,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.95 ms. Allocated memory is still 98.6 MB. Free memory was 64.5 MB in the beginning and 61.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:40,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.45 ms. Allocated memory is still 98.6 MB. Free memory was 61.3 MB in the beginning and 59.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:40,383 INFO L168 Benchmark]: Boogie Preprocessor took 30.84 ms. Allocated memory is still 98.6 MB. Free memory was 59.1 MB in the beginning and 57.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:40,384 INFO L168 Benchmark]: RCFGBuilder took 695.19 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 57.7 MB in the beginning and 90.7 MB in the end (delta: -33.0 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:40,384 INFO L168 Benchmark]: CodeCheck took 46849.83 ms. Allocated memory was 119.5 MB in the beginning and 436.2 MB in the end (delta: 316.7 MB). Free memory was 90.7 MB in the beginning and 322.0 MB in the end (delta: -231.3 MB). Peak memory consumption was 87.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:40,386 INFO L168 Benchmark]: Witness Printer took 102.09 ms. Allocated memory is still 436.2 MB. Free memory was 320.9 MB in the beginning and 317.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:24:40,389 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, 30 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 46.4s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: -402653184 SDtfs, -1272127444 SDslu, -2114347336 SDs, 0 SdLazy, -2084394728 SolverSat, -430125868 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2479 GetRequests, 1972 SyntacticMatches, 55 SemanticMatches, 452 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96531 ImplicationChecksByTransitivity, 43.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 1997 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 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 - PositiveResult [Line: 774]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 774]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 777]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 777]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 777]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 781]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 789]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 789]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 791]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (((((((((((unknown-#length-unknown[a] == 4 && (p + 1 <= unknown-#StackHeapBarrier-unknown || p == 0)) && (\old(unknown-main_\old_#valid-unknown) == \valid || !(p == 0))) && (\valid[p] == 1 || p == 0)) && a == 0) && \valid[a] == 1) && (p == 0 || \valid[p := 0][a6] == 1)) && a == a6) && p <= 0) && 3 <= ret) && (\valid[p := 0] == \old(unknown-main_\old_#valid-unknown) || p == 0)) && 0 < p + 1) && a6 == 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: ((((((((unknown-#length-unknown[a] == 4 && a == 0) && a == a6) && \valid[p := 0] == \old(unknown-main_\old_#valid-unknown)) && p + 1 <= unknown-#StackHeapBarrier-unknown) && p <= 0) && \valid[p] == 1) && 0 < p + 1) && \valid[p := 0][a6] == 1) && a6 == 0 - InvariantResult [Line: 763]: Loop Invariant [2021-10-29 04:24:40,409 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,409 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-29 04:24:40,410 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,411 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,411 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,412 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,413 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-29 04:24:40,413 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,413 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-29 04:24:40,413 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((\old(unknown-main_\old_#valid-unknown) == \valid && unknown-#length-unknown[a6] == 4) && \valid[a6] == 1) && !(\result == 0)) && a6 == 0) || ((((((((\valid[#memory_$Pointer$[a6][a6] := 0] == \old(unknown-main_\old_#valid-unknown) && #memory_$Pointer$[a6][a6] == 0) && unknown-#length-unknown[a6] == 4) && \valid[#memory_$Pointer$[a6][a6]] == 1) && \valid[a6] == 1) && !(#memory_$Pointer$[a6][a6] == a6)) && #memory_$Pointer$[a6][a6] + 1 <= unknown-#StackHeapBarrier-unknown) && a6 == 0) && \result == 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: ((((((((\valid[p] == 1 || p == 0) && ret + 1 <= 0) && unknown-#length-unknown[a6] == 4) && \valid[p := 0] == \old(unknown-main_\old_#valid-unknown)) && p + 1 <= unknown-#StackHeapBarrier-unknown) && p <= 0) && 0 < p + 1) && \valid[p := 0][a6] == 1) && a6 == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 98.6 MB. Free memory was 55.4 MB in the beginning and 55.4 MB in the end (delta: 38.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 553.95 ms. Allocated memory is still 98.6 MB. Free memory was 64.5 MB in the beginning and 61.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.45 ms. Allocated memory is still 98.6 MB. Free memory was 61.3 MB in the beginning and 59.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.84 ms. Allocated memory is still 98.6 MB. Free memory was 59.1 MB in the beginning and 57.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 695.19 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 57.7 MB in the beginning and 90.7 MB in the end (delta: -33.0 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * CodeCheck took 46849.83 ms. Allocated memory was 119.5 MB in the beginning and 436.2 MB in the end (delta: 316.7 MB). Free memory was 90.7 MB in the beginning and 322.0 MB in the end (delta: -231.3 MB). Peak memory consumption was 87.0 MB. Max. memory is 16.1 GB. * Witness Printer took 102.09 ms. Allocated memory is still 436.2 MB. Free memory was 320.9 MB in the beginning and 317.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base RESULT: Ultimate proved your program to be correct! [2021-10-29 04:24:40,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ae6827-ed57-44a5-82ab-1c70c1f1d8fe/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...