./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ --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 552504b8dd67a1f0b5535e7605bdb089a6d97e479e395554cfd041029e9dab91 --- 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-6b4ec56 [2022-11-20 17:47:48,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:47:48,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:47:48,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:47:48,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:47:48,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:47:48,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:47:48,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:47:48,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:47:48,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:47:48,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:47:48,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:47:48,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:47:48,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:47:48,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:47:48,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:47:48,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:47:48,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:47:48,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:47:48,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:47:48,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:47:48,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:47:48,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:47:48,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:47:48,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:47:48,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:47:48,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:47:48,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:47:48,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:47:48,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:47:48,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:47:48,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:47:48,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:47:48,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:47:48,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:47:48,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:47:48,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:47:48,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:47:48,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:47:48,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:47:48,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:47:48,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 17:47:48,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:47:48,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:47:48,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:47:48,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:47:48,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:47:48,824 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:47:48,824 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:47:48,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:47:48,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:47:48,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:47:48,826 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:47:48,826 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:47:48,832 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:47:48,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:47:48,833 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:47:48,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:47:48,833 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:47:48,834 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:47:48,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:47:48,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:47:48,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:47:48,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:47:48,835 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:47:48,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:47:48,836 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_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 552504b8dd67a1f0b5535e7605bdb089a6d97e479e395554cfd041029e9dab91 [2022-11-20 17:47:49,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:47:49,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:47:49,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:47:49,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:47:49,298 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:47:49,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i [2022-11-20 17:47:52,920 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:47:53,167 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:47:53,168 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i [2022-11-20 17:47:53,176 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/data/0c4b15c86/ef7ccd34472944529afb2e8466234634/FLAGa1764b95c [2022-11-20 17:47:53,196 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/data/0c4b15c86/ef7ccd34472944529afb2e8466234634 [2022-11-20 17:47:53,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:47:53,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:47:53,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:47:53,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:47:53,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:47:53,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f02eb69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53, skipping insertion in model container [2022-11-20 17:47:53,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:47:53,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:47:53,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i[310,323] [2022-11-20 17:47:53,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:47:53,466 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:47:53,485 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i[310,323] [2022-11-20 17:47:53,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:47:53,511 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:47:53,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53 WrapperNode [2022-11-20 17:47:53,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:47:53,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:47:53,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:47:53,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:47:53,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,559 INFO L138 Inliner]: procedures = 13, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2022-11-20 17:47:53,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:47:53,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:47:53,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:47:53,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:47:53,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,601 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:47:53,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:47:53,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:47:53,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:47:53,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:53" (1/1) ... [2022-11-20 17:47:53,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:47:53,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:47:53,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:47:53,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:47:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:47:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:47:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:47:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:47:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:47:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:47:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:47:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:47:53,822 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:47:53,824 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:47:54,034 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:47:54,052 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:47:54,053 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:47:54,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:47:54 BoogieIcfgContainer [2022-11-20 17:47:54,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:47:54,058 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:47:54,058 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:47:54,071 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:47:54,072 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:47:54" (1/1) ... [2022-11-20 17:47:54,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:47:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:54,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-20 17:47:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-20 17:47:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:47:54,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:54,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:47:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:54,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-20 17:47:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-20 17:47:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:47:54,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:54,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:47:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 17:47:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 17:47:54,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:47:54,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:54,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:47:54,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:54,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 17:47:54,870 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 17:47:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:47:54,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:54,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:47:55,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-11-20 17:47:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-11-20 17:47:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:47:55,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:55,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:47:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2022-11-20 17:47:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-20 17:47:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:47:55,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:55,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:55,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:47:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2022-11-20 17:47:56,406 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-11-20 17:47:56,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:47:56,407 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-20 17:47:56,418 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-20 17:47:56,455 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 17:47:56,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:47:56 ImpRootNode [2022-11-20 17:47:56,470 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:47:56,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:47:56,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:47:56,472 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:47:56,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:47:54" (3/4) ... [2022-11-20 17:47:56,477 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:47:56,488 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 17:47:56,489 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:47:56,489 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:47:56,489 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:47:56,539 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-20 17:47:56,559 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:47:56,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:47:56,567 INFO L158 Benchmark]: Toolchain (without parser) took 3355.67ms. Allocated memory is still 169.9MB. Free memory was 135.1MB in the beginning and 89.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-11-20 17:47:56,570 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:47:56,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.59ms. Allocated memory is still 169.9MB. Free memory was 134.6MB in the beginning and 124.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:47:56,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.44ms. Allocated memory is still 169.9MB. Free memory was 124.6MB in the beginning and 123.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:47:56,573 INFO L158 Benchmark]: Boogie Preprocessor took 41.79ms. Allocated memory is still 169.9MB. Free memory was 123.4MB in the beginning and 122.5MB in the end (delta: 914.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:47:56,574 INFO L158 Benchmark]: RCFGBuilder took 451.33ms. Allocated memory is still 169.9MB. Free memory was 122.0MB in the beginning and 112.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:47:56,576 INFO L158 Benchmark]: CodeCheck took 2412.71ms. Allocated memory is still 169.9MB. Free memory was 111.5MB in the beginning and 91.9MB in the end (delta: 19.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-11-20 17:47:56,579 INFO L158 Benchmark]: Witness Printer took 90.36ms. Allocated memory is still 169.9MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:47:56,582 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, 14 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 2 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 27]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.59ms. Allocated memory is still 169.9MB. Free memory was 134.6MB in the beginning and 124.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.44ms. Allocated memory is still 169.9MB. Free memory was 124.6MB in the beginning and 123.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.79ms. Allocated memory is still 169.9MB. Free memory was 123.4MB in the beginning and 122.5MB in the end (delta: 914.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.33ms. Allocated memory is still 169.9MB. Free memory was 122.0MB in the beginning and 112.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2412.71ms. Allocated memory is still 169.9MB. Free memory was 111.5MB in the beginning and 91.9MB in the end (delta: 19.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 90.36ms. Allocated memory is still 169.9MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:47:56,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceafafc5-2a77-49bd-9da3-32385f635bda/bin/ukojak-pZX7IvK2PQ/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 Result: TRUE