./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB --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 db4b4fb03b1dcc2b831885b6cb4b7f01d511832c58de7e20715e49b64db06c6b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:02:58,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:58,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:58,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:58,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:58,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:58,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:58,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:58,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:58,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:58,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:58,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:58,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:58,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:58,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:58,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:58,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:58,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:58,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:58,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:58,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:58,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:58,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:58,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:58,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:58,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:58,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:58,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:58,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:58,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:58,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:58,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:58,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:58,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:58,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:58,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:58,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:58,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:58,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:58,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:58,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:58,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:02:58,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:58,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:58,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:58,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:58,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:58,899 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:58,899 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:02:58,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:58,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:58,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:58,901 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:02:58,902 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:02:58,902 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:02:58,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:58,903 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:58,903 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:58,903 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:58,903 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:58,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:58,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:58,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:58,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:58,905 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:58,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:58,905 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_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db4b4fb03b1dcc2b831885b6cb4b7f01d511832c58de7e20715e49b64db06c6b [2022-10-17 17:02:59,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:59,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:59,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:59,264 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:59,265 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:59,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2022-10-17 17:02:59,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/data/505eba557/02c54c085ba74da08d17167d9b60b0e3/FLAGde4016f4f [2022-10-17 17:02:59,783 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:59,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2022-10-17 17:02:59,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/data/505eba557/02c54c085ba74da08d17167d9b60b0e3/FLAGde4016f4f [2022-10-17 17:03:00,189 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/data/505eba557/02c54c085ba74da08d17167d9b60b0e3 [2022-10-17 17:03:00,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:00,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:00,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:00,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:00,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:00,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d075893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00, skipping insertion in model container [2022-10-17 17:03:00,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:00,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:00,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:00,500 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:03:00,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:00,552 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:03:00,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00 WrapperNode [2022-10-17 17:03:00,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:00,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:00,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:03:00,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:03:00,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,614 INFO L138 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2022-10-17 17:03:00,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:00,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:03:00,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:03:00,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:03:00,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,661 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:03:00,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:03:00,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:03:00,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:03:00,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:00" (1/1) ... [2022-10-17 17:03:00,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:00,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:03:00,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:03:00,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:03:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:03:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:03:00,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:03:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:03:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:03:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:03:00,834 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:03:00,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:03:01,142 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:03:01,252 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:03:01,253 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 17:03:01,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:01 BoogieIcfgContainer [2022-10-17 17:03:01,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:03:01,257 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:03:01,257 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:03:01,277 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:03:01,278 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:01" (1/1) ... [2022-10-17 17:03:01,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:03:01,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-10-17 17:03:01,380 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-10-17 17:03:01,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:03:01,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:01,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-10-17 17:03:01,680 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-10-17 17:03:01,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:03:01,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:01,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:01,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:01,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:01,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2022-10-17 17:03:01,991 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-10-17 17:03:01,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:03:01,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:01,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:02,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:02,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2022-10-17 17:03:02,761 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2022-10-17 17:03:02,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:03:02,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:02,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:03,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2022-10-17 17:03:03,148 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2022-10-17 17:03:03,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:03:03,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:03,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:03,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:03,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2022-10-17 17:03:03,718 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2022-10-17 17:03:03,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:03:03,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:03,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:03,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:03,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:03,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2022-10-17 17:03:03,781 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2022-10-17 17:03:03,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:03:03,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:03,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:03,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:03:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:03,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:03:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:03,876 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2022-10-17 17:03:03,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:03:03 ImpRootNode [2022-10-17 17:03:03,925 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:03:03,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:03:03,926 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:03:03,926 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:03:03,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:01" (3/4) ... [2022-10-17 17:03:03,928 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:03:04,018 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:03:04,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:03:04,020 INFO L158 Benchmark]: Toolchain (without parser) took 3824.20ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 49.6MB in the beginning and 65.1MB in the end (delta: -15.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-10-17 17:03:04,021 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 88.1MB. Free memory was 65.6MB in the beginning and 65.5MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:03:04,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.03ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 49.3MB in the beginning and 90.2MB in the end (delta: -40.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-10-17 17:03:04,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.72ms. Allocated memory is still 113.2MB. Free memory was 90.2MB in the beginning and 88.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:03:04,023 INFO L158 Benchmark]: Boogie Preprocessor took 49.59ms. Allocated memory is still 113.2MB. Free memory was 88.7MB in the beginning and 87.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:03:04,024 INFO L158 Benchmark]: RCFGBuilder took 589.65ms. Allocated memory is still 113.2MB. Free memory was 87.2MB in the beginning and 70.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 17:03:04,025 INFO L158 Benchmark]: CodeCheck took 2668.14ms. Allocated memory is still 113.2MB. Free memory was 70.4MB in the beginning and 67.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-10-17 17:03:04,026 INFO L158 Benchmark]: Witness Printer took 92.91ms. Allocated memory is still 113.2MB. Free memory was 67.1MB in the beginning and 65.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:03:04,032 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, 24 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 97 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 314 IncrementalHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 97 mSolverCounterUnsat, 34 mSDtfsCounter, 314 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L32] int i, b[100]; [L33] i = 0 VAL [b={2:0}, i=0] [L33] COND TRUE i < 100 [L34] CALL foo(i, b, i + 1) [L21] int a[n], i; [L22] i = 0 VAL [\old(n)=0, \old(size)=1, a={3:0}, b={2:0}, b={2:0}, i=0, n=0, size=1] [L22] COND TRUE i < size VAL [\old(n)=0, \old(size)=1, a={3:0}, b={2:0}, b={2:0}, i=0, n=0, size=1] [L23] EXPR b[i] VAL [\old(n)=0, \old(size)=1, a={3:0}, b={2:0}, b={2:0}, b[i]=11, i=0, n=0, size=1] [L23] a[i] = b[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 88.1MB. Free memory was 65.6MB in the beginning and 65.5MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.03ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 49.3MB in the beginning and 90.2MB in the end (delta: -40.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.72ms. Allocated memory is still 113.2MB. Free memory was 90.2MB in the beginning and 88.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.59ms. Allocated memory is still 113.2MB. Free memory was 88.7MB in the beginning and 87.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 589.65ms. Allocated memory is still 113.2MB. Free memory was 87.2MB in the beginning and 70.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2668.14ms. Allocated memory is still 113.2MB. Free memory was 70.4MB in the beginning and 67.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Witness Printer took 92.91ms. Allocated memory is still 113.2MB. Free memory was 67.1MB in the beginning and 65.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:03:04,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b6ac4a7-5b39-4f40-af47-5c6c4d52f59b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)