./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 2329fc70 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_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/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_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-14 21:13:39,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:13:39,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:13:39,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:13:39,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:13:39,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:13:39,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:13:39,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:13:39,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:13:39,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:13:39,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:13:39,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:13:39,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:13:39,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:13:39,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:13:39,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:13:39,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:13:39,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:13:39,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:13:39,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:13:39,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:13:39,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:13:39,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:13:39,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:13:39,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:13:39,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:13:39,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:13:39,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:13:39,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:13:39,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:13:39,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:13:39,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:13:39,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:13:39,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:13:39,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:13:39,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:13:39,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:13:39,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:13:39,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:13:39,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:13:39,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:13:39,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 21:13:39,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:13:39,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:13:39,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:13:39,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:13:39,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:13:39,767 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:13:39,771 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:13:39,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:13:39,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:13:39,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:13:39,772 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 21:13:39,772 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 21:13:39,773 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 21:13:39,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:13:39,773 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:13:39,773 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:13:39,773 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:13:39,774 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:13:39,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:13:39,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:13:39,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:13:39,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:13:39,775 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:13:39,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:13:39,775 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_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 552504b8dd67a1f0b5535e7605bdb089a6d97e479e395554cfd041029e9dab91 [2022-12-14 21:13:39,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:13:40,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:13:40,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:13:40,011 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:13:40,012 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:13:40,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i [2022-12-14 21:13:42,605 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:13:42,717 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:13:42,717 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i [2022-12-14 21:13:42,721 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/data/abf9e9f37/0a2547b1e79e4fedbec4118ea9e0bf10/FLAGa0a0a2361 [2022-12-14 21:13:42,732 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/data/abf9e9f37/0a2547b1e79e4fedbec4118ea9e0bf10 [2022-12-14 21:13:42,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:13:42,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:13:42,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:13:42,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:13:42,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:13:42,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644a5505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42, skipping insertion in model container [2022-12-14 21:13:42,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:13:42,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:13:42,845 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_27151e19-2d48-4790-a2ea-009f4e2fe4e5/sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i[310,323] [2022-12-14 21:13:42,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:13:42,866 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:13:42,874 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_27151e19-2d48-4790-a2ea-009f4e2fe4e5/sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i[310,323] [2022-12-14 21:13:42,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:13:42,887 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:13:42,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42 WrapperNode [2022-12-14 21:13:42,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:13:42,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:13:42,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:13:42,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:13:42,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,910 INFO L138 Inliner]: procedures = 13, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2022-12-14 21:13:42,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:13:42,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:13:42,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:13:42,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:13:42,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,923 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:13:42,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:13:42,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:13:42,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:13:42,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:42" (1/1) ... [2022-12-14 21:13:42,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:13:42,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:13:42,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:13:42,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:13:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:13:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:13:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:13:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:13:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:13:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:13:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 21:13:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:13:43,030 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:13:43,031 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:13:43,113 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:13:43,127 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:13:43,127 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 21:13:43,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:13:43 BoogieIcfgContainer [2022-12-14 21:13:43,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:13:43,130 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:13:43,130 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:13:43,137 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:13:43,137 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:13:43" (1/1) ... [2022-12-14 21:13:43,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:13:43,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:43,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-12-14 21:13:43,186 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-12-14 21:13:43,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 21:13:43,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:43,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:13:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:43,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-12-14 21:13:43,339 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-12-14 21:13:43,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 21:13:43,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:43,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:43,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:13:43,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:43,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-14 21:13:43,482 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-14 21:13:43,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:13:43,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:43,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:13:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:43,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-12-14 21:13:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-12-14 21:13:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:13:43,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:43,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:43,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:13:43,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-12-14 21:13:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-12-14 21:13:43,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:13:43,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:43,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:13:43,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2022-12-14 21:13:43,876 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-14 21:13:43,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 21:13:43,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:13:43,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:13:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:13:43,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:13:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:13:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2022-12-14 21:13:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-12-14 21:13:44,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 21:13:44,272 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-14 21:13:44,279 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-14 21:13:44,299 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 21:13:44,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:13:44 ImpRootNode [2022-12-14 21:13:44,308 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:13:44,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:13:44,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:13:44,308 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:13:44,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:13:43" (3/4) ... [2022-12-14 21:13:44,311 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 21:13:44,318 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 21:13:44,318 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 21:13:44,318 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 21:13:44,318 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 21:13:44,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 21:13:44,341 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:13:44,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:13:44,341 INFO L158 Benchmark]: Toolchain (without parser) took 1606.45ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 102.1MB in the beginning and 80.5MB in the end (delta: 21.6MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-12-14 21:13:44,342 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:13:44,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 152.34ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 91.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 21:13:44,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.12ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 90.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:13:44,343 INFO L158 Benchmark]: Boogie Preprocessor took 14.00ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 89.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:13:44,343 INFO L158 Benchmark]: RCFGBuilder took 203.64ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 79.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 21:13:44,343 INFO L158 Benchmark]: CodeCheck took 1178.15ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 78.6MB in the beginning and 82.7MB in the end (delta: -4.1MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-12-14 21:13:44,344 INFO L158 Benchmark]: Witness Printer took 32.49ms. Allocated memory is still 172.0MB. Free memory was 82.7MB in the beginning and 80.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:13:44,345 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: 1.1s, 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, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s 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, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s 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 0.14ms. Allocated memory is still 142.6MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 152.34ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 91.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.12ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 90.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.00ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 89.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 203.64ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 79.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1178.15ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 78.6MB in the beginning and 82.7MB in the end (delta: -4.1MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Witness Printer took 32.49ms. Allocated memory is still 172.0MB. Free memory was 82.7MB in the beginning and 80.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 21:13:44,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27151e19-2d48-4790-a2ea-009f4e2fe4e5/bin/ukojak-rkRKPMF4O4/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