./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ --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 bcce9a9edb6d3d97e1dc81d42ff33dae1a3a6c5a4c6632dbb9f71fe2bbff6634 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:26:32,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:26:32,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:26:32,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:26:32,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:26:32,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:26:32,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:26:32,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:26:32,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:26:32,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:26:32,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:26:32,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:26:32,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:26:32,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:26:32,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:26:32,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:26:32,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:26:32,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:26:32,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:26:32,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:26:32,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:26:32,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:26:32,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:26:32,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:26:32,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:26:32,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:26:32,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:26:32,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:26:32,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:26:32,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:26:32,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:26:32,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:26:32,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:26:32,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:26:32,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:26:32,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:26:32,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:26:32,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:26:32,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:26:32,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:26:32,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:26:32,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:26:32,564 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:26:32,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:26:32,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:26:32,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:26:32,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:26:32,567 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:26:32,567 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:26:32,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:26:32,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:26:32,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:26:32,569 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:26:32,569 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:26:32,570 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:26:32,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:26:32,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:26:32,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:26:32,571 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:26:32,571 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:26:32,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:26:32,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:26:32,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:26:32,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:26:32,572 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:26:32,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:26:32,573 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_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcce9a9edb6d3d97e1dc81d42ff33dae1a3a6c5a4c6632dbb9f71fe2bbff6634 [2021-11-23 00:26:32,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:26:32,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:26:32,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:26:32,917 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:26:32,918 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:26:32,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i [2021-11-23 00:26:32,998 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/data/873daff70/1da3f62eb33647ada79dce740c862afb/FLAGf83b6dab8 [2021-11-23 00:26:33,610 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:26:33,611 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/sv-benchmarks/c/ldv-memsafety/memleaks_test7-2.i [2021-11-23 00:26:33,639 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/data/873daff70/1da3f62eb33647ada79dce740c862afb/FLAGf83b6dab8 [2021-11-23 00:26:33,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/data/873daff70/1da3f62eb33647ada79dce740c862afb [2021-11-23 00:26:33,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:26:33,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:26:33,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:26:33,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:26:33,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:26:33,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:26:33" (1/1) ... [2021-11-23 00:26:33,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee42039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:33, skipping insertion in model container [2021-11-23 00:26:33,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:26:33" (1/1) ... [2021-11-23 00:26:33,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:26:33,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:26:34,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:26:34,439 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:26:34,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:26:34,534 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:26:34,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:34 WrapperNode [2021-11-23 00:26:34,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:26:34,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:26:34,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:26:34,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:26:34,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:34" (1/1) ... [2021-11-23 00:26:34,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:34" (1/1) ... [2021-11-23 00:26:34,589 INFO L137 Inliner]: procedures = 169, calls = 78, calls flagged for inlining = 33, calls inlined = 8, statements flattened = 75 [2021-11-23 00:26:34,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:26:34,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:26:34,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:26:34,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:26:34,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:34" (1/1) ... [2021-11-23 00:26:34,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:34" (1/1) ... [2021-11-23 00:26:34,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:34" (1/1) ... [2021-11-23 00:26:34,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:34" (1/1) ... [2021-11-23 00:26:34,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:34" (1/1) ... [2021-11-23 00:26:34,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:34" (1/1) ... [2021-11-23 00:26:34,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:34" (1/1) ... [2021-11-23 00:26:34,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:26:34,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:26:34,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:26:34,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:26:34,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:34" (1/1) ... [2021-11-23 00:26:34,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:26:34,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:26:34,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:26:34,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:26:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:26:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:26:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:26:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:26:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:26:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:26:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:26:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:26:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:26:34,843 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:26:34,845 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:26:35,098 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:26:35,190 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:26:35,190 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:26:35,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:26:35 BoogieIcfgContainer [2021-11-23 00:26:35,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:26:35,193 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:26:35,193 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:26:35,203 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:26:35,203 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:26:35" (1/1) ... [2021-11-23 00:26:35,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:26:35,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:35,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2021-11-23 00:26:35,301 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2021-11-23 00:26:35,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:26:35,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:35,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:35,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:35,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2021-11-23 00:26:35,586 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-11-23 00:26:35,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:26:35,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:35,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:35,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2021-11-23 00:26:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-23 00:26:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:26:35,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:35,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:35,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:35,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2021-11-23 00:26:35,914 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-11-23 00:26:35,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:26:35,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:35,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2021-11-23 00:26:36,341 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2021-11-23 00:26:36,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:26:36,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:36,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:36,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:36,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2021-11-23 00:26:36,968 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-23 00:26:36,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:26:36,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:36,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:37,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:37,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2021-11-23 00:26:37,382 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-11-23 00:26:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:26:37,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:37,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:38,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:38,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2021-11-23 00:26:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2021-11-23 00:26:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:26:38,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:38,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:38,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:39,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:39,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2021-11-23 00:26:39,055 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2021-11-23 00:26:39,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:26:39,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:39,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:39,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:39,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:39,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2021-11-23 00:26:39,225 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2021-11-23 00:26:39,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:26:39,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:39,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2021-11-23 00:26:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2021-11-23 00:26:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:26:40,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:40,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2021-11-23 00:26:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2021-11-23 00:26:40,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:26:40,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:40,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:40,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:42,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2021-11-23 00:26:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2021-11-23 00:26:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:26:42,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:42,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:44,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:44,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2021-11-23 00:26:44,038 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2021-11-23 00:26:44,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:26:44,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:44,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:44,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2021-11-23 00:26:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-11-23 00:26:45,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:26:45,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:45,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2021-11-23 00:26:46,509 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2021-11-23 00:26:46,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:26:46,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:46,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:47,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:47,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2021-11-23 00:26:47,159 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2021-11-23 00:26:47,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:26:47,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:47,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:49,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2021-11-23 00:26:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2021-11-23 00:26:49,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:26:49,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:49,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:49,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:53,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:53,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2021-11-23 00:26:53,529 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2021-11-23 00:26:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:26:53,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:53,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:57,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2021-11-23 00:26:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2021-11-23 00:26:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:26:57,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:57,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:57,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:58,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:58,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2021-11-23 00:26:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-11-23 00:26:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:26:58,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:58,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:59,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2021-11-23 00:26:59,256 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2021-11-23 00:26:59,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:26:59,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:59,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:59,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2021-11-23 00:26:59,429 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2021-11-23 00:26:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:26:59,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:59,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:00,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:04,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2021-11-23 00:27:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-11-23 00:27:04,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:27:04,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:04,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:05,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2021-11-23 00:27:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-11-23 00:27:11,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:27:11,063 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2021-11-23 00:27:11,071 INFO L754 CodeCheckObserver]: All specifications hold 11 specifications checked. All of them hold [2021-11-23 00:27:11,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:27:11,382 INFO L560 CodeCheckObserver]: Invariant with dag size 47 [2021-11-23 00:27:11,393 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2021-11-23 00:27:11,395 INFO L560 CodeCheckObserver]: Invariant with dag size 48 [2021-11-23 00:27:11,396 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-23 00:27:11,397 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,398 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,398 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,398 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,398 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,399 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,401 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-23 00:27:11,401 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,401 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,402 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,402 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,402 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,403 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,404 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2021-11-23 00:27:11,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:27:11 ImpRootNode [2021-11-23 00:27:11,406 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:27:11,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:27:11,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:27:11,407 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:27:11,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:26:35" (3/4) ... [2021-11-23 00:27:11,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:27:11,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-23 00:27:11,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 00:27:11,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:27:11,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((\old(unknown-main_\old_#valid#1-unknown)[a7] == 0 && !(a7 == p)) && \valid[p := \old(unknown-main_\old_#valid#1-unknown)[p]][a7 := \old(unknown-main_\old_#valid#1-unknown)[a7]] == \old(unknown-main_\old_#valid#1-unknown)) && 0 == \old(unknown-main_\old_#valid#1-unknown)[p]) || p == 0) && a7 == a) && unknown-#length-unknown[a] == 4) && p == 0) && (\valid[a7 := 0] == \old(unknown-main_\old_#valid#1-unknown) || !(p == 0))) && \valid[a7] == 1) && (p == 0 || \valid[p] == 1)) && 3 <= ret) && a7 == 0) && a == 0) && (p == 0 || p + 1 <= unknown-#StackHeapBarrier-unknown) [2021-11-23 00:27:11,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((3 <= \result && \valid[a7 := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[a7] == 1) || ((((!(\result == 0) && \valid[a7 := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 4 <= unknown-#length-unknown[a7]) && \valid[a7] == 1) && a7 == 0)) || ((((((((((\old(unknown-main_\old_#valid#1-unknown)[a7] == 0 && #memory_$Pointer$[a7][a7] == 0) && !(a7 == #memory_$Pointer$[a7][a7])) && #memory_$Pointer$[a7][a7] + 1 <= unknown-#StackHeapBarrier-unknown) && \old(unknown-main_\old_#valid#1-unknown)[#memory_$Pointer$[a7][a7]] == 0) && 4 <= unknown-#length-unknown[a7]) && \valid[#memory_$Pointer$[a7][a7]] == 1) && \result == 0) && \valid[#memory_$Pointer$[a7][a7] := \old(unknown-main_\old_#valid#1-unknown)[#memory_$Pointer$[a7][a7]]][a7 := \old(unknown-main_\old_#valid#1-unknown)[a7]] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[a7] == 1) && a7 == 0)) || (\valid[a7 := 0] == \old(unknown-main_\old_#valid#1-unknown) && \result + 1 <= 0) [2021-11-23 00:27:11,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\old(unknown-main_\old_#valid#1-unknown)[a7] == 0 && \valid[a] == 1) && a7 == a) && unknown-#length-unknown[a] == 4) && p + 1 <= unknown-#StackHeapBarrier-unknown) && \valid[p] == 1) && p == 0) && !(a7 == p)) && \valid[p := \old(unknown-main_\old_#valid#1-unknown)[p]][a7 := \old(unknown-main_\old_#valid#1-unknown)[a7]] == \old(unknown-main_\old_#valid#1-unknown)) && 0 == \old(unknown-main_\old_#valid#1-unknown)[p]) && a7 == 0) && a == 0 [2021-11-23 00:27:11,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\old(unknown-main_\old_#valid#1-unknown)[a7] == 0 && ret + 1 <= 0) && p + 1 <= unknown-#StackHeapBarrier-unknown) && p == 0) && !(a7 == p)) && \valid[p := \old(unknown-main_\old_#valid#1-unknown)[p]][a7 := \old(unknown-main_\old_#valid#1-unknown)[a7]] == \old(unknown-main_\old_#valid#1-unknown)) && (p == 0 || \valid[p] == 1)) && 0 == \old(unknown-main_\old_#valid#1-unknown)[p] [2021-11-23 00:27:11,476 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:27:11,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:27:11,488 INFO L158 Benchmark]: Toolchain (without parser) took 37613.14ms. Allocated memory was 117.4MB in the beginning and 360.7MB in the end (delta: 243.3MB). Free memory was 87.0MB in the beginning and 122.6MB in the end (delta: -35.6MB). Peak memory consumption was 206.4MB. Max. memory is 16.1GB. [2021-11-23 00:27:11,489 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:27:11,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.31ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 79.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:27:11,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.39ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:27:11,494 INFO L158 Benchmark]: Boogie Preprocessor took 27.53ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:27:11,495 INFO L158 Benchmark]: RCFGBuilder took 573.94ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 75.5MB in the beginning and 134.0MB in the end (delta: -58.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-11-23 00:27:11,495 INFO L158 Benchmark]: CodeCheck took 36213.19ms. Allocated memory was 159.4MB in the beginning and 360.7MB in the end (delta: 201.3MB). Free memory was 133.9MB in the beginning and 125.7MB in the end (delta: 8.2MB). Peak memory consumption was 209.0MB. Max. memory is 16.1GB. [2021-11-23 00:27:11,496 INFO L158 Benchmark]: Witness Printer took 80.27ms. Allocated memory is still 360.7MB. Free memory was 125.7MB in the beginning and 122.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:27:11,498 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, 28 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 35.8s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1475 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1348 mSDsluCounter, 1834 SdHoareTripleChecker+Invalid, 8.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2230 mSDsCounter, 1587 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5643 IncrementalHoareTripleChecker+Invalid, 7230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1587 mSolverCounterUnsat, 212 mSDtfsCounter, 5643 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1952 GetRequests, 1522 SyntacticMatches, 42 SemanticMatches, 388 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70336 ImplicationChecksByTransitivity, 33.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 2056 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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: 790]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (((((((((((((\old(unknown-main_\old_#valid#1-unknown)[a7] == 0 && !(a7 == p)) && \valid[p := \old(unknown-main_\old_#valid#1-unknown)[p]][a7 := \old(unknown-main_\old_#valid#1-unknown)[a7]] == \old(unknown-main_\old_#valid#1-unknown)) && 0 == \old(unknown-main_\old_#valid#1-unknown)[p]) || p == 0) && a7 == a) && unknown-#length-unknown[a] == 4) && p == 0) && (\valid[a7 := 0] == \old(unknown-main_\old_#valid#1-unknown) || !(p == 0))) && \valid[a7] == 1) && (p == 0 || \valid[p] == 1)) && 3 <= ret) && a7 == 0) && a == 0) && (p == 0 || p + 1 <= unknown-#StackHeapBarrier-unknown) - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: ((((((((((\old(unknown-main_\old_#valid#1-unknown)[a7] == 0 && \valid[a] == 1) && a7 == a) && unknown-#length-unknown[a] == 4) && p + 1 <= unknown-#StackHeapBarrier-unknown) && \valid[p] == 1) && p == 0) && !(a7 == p)) && \valid[p := \old(unknown-main_\old_#valid#1-unknown)[p]][a7 := \old(unknown-main_\old_#valid#1-unknown)[a7]] == \old(unknown-main_\old_#valid#1-unknown)) && 0 == \old(unknown-main_\old_#valid#1-unknown)[p]) && a7 == 0) && a == 0 - InvariantResult [Line: 763]: Loop Invariant [2021-11-23 00:27:11,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-23 00:27:11,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-23 00:27:11,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,518 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 00:27:11,518 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((3 <= \result && \valid[a7 := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[a7] == 1) || ((((!(\result == 0) && \valid[a7 := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 4 <= unknown-#length-unknown[a7]) && \valid[a7] == 1) && a7 == 0)) || ((((((((((\old(unknown-main_\old_#valid#1-unknown)[a7] == 0 && #memory_$Pointer$[a7][a7] == 0) && !(a7 == #memory_$Pointer$[a7][a7])) && #memory_$Pointer$[a7][a7] + 1 <= unknown-#StackHeapBarrier-unknown) && \old(unknown-main_\old_#valid#1-unknown)[#memory_$Pointer$[a7][a7]] == 0) && 4 <= unknown-#length-unknown[a7]) && \valid[#memory_$Pointer$[a7][a7]] == 1) && \result == 0) && \valid[#memory_$Pointer$[a7][a7] := \old(unknown-main_\old_#valid#1-unknown)[#memory_$Pointer$[a7][a7]]][a7 := \old(unknown-main_\old_#valid#1-unknown)[a7]] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[a7] == 1) && a7 == 0)) || (\valid[a7 := 0] == \old(unknown-main_\old_#valid#1-unknown) && \result + 1 <= 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: ((((((\old(unknown-main_\old_#valid#1-unknown)[a7] == 0 && ret + 1 <= 0) && p + 1 <= unknown-#StackHeapBarrier-unknown) && p == 0) && !(a7 == p)) && \valid[p := \old(unknown-main_\old_#valid#1-unknown)[p]][a7 := \old(unknown-main_\old_#valid#1-unknown)[a7]] == \old(unknown-main_\old_#valid#1-unknown)) && (p == 0 || \valid[p] == 1)) && 0 == \old(unknown-main_\old_#valid#1-unknown)[p] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.31ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 79.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.39ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.53ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.94ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 75.5MB in the beginning and 134.0MB in the end (delta: -58.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * CodeCheck took 36213.19ms. Allocated memory was 159.4MB in the beginning and 360.7MB in the end (delta: 201.3MB). Free memory was 133.9MB in the beginning and 125.7MB in the end (delta: 8.2MB). Peak memory consumption was 209.0MB. Max. memory is 16.1GB. * Witness Printer took 80.27ms. Allocated memory is still 360.7MB. Free memory was 125.7MB in the beginning and 122.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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! [2021-11-23 00:27:11,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_415f62cf-4438-4adc-9447-e68ea981697b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE