./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH --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 64bit --witnessprinter.graph.data.programhash 4ce5b36ec45142454df368b1219eecfd99c0ab690f893f50424ec8a6183a262e --- 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-e04fb08 [2022-11-16 07:39:12,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:39:12,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:39:12,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:39:12,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:39:12,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:39:12,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:39:12,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:39:12,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:39:12,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:39:12,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:39:12,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:39:12,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:39:12,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:39:12,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:39:12,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:39:12,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:39:12,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:39:12,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:39:12,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:39:12,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:39:12,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:39:12,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:39:12,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:39:12,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:39:12,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:39:12,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:39:12,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:39:12,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:39:12,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:39:12,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:39:12,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:39:12,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:39:12,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:39:12,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:39:12,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:39:12,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:39:12,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:39:12,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:39:12,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:39:12,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:39:12,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-16 07:39:12,289 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:39:12,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:39:12,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:39:12,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:39:12,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:39:12,292 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 07:39:12,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 07:39:12,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:39:12,292 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 07:39:12,293 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 07:39:12,294 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 07:39:12,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:39:12,294 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:39:12,295 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:39:12,295 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:39:12,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:39:12,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:39:12,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:39:12,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:39:12,296 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 07:39:12,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 07:39:12,296 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_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ce5b36ec45142454df368b1219eecfd99c0ab690f893f50424ec8a6183a262e [2022-11-16 07:39:12,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:39:12,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:39:12,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:39:12,619 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:39:12,619 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:39:12,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2022-11-16 07:39:12,702 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/data/dfd9b414f/b94f090d3bfc489ba487ca141f1489a5/FLAGf6e02123b [2022-11-16 07:39:13,194 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:39:13,194 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2022-11-16 07:39:13,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/data/dfd9b414f/b94f090d3bfc489ba487ca141f1489a5/FLAGf6e02123b [2022-11-16 07:39:13,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/data/dfd9b414f/b94f090d3bfc489ba487ca141f1489a5 [2022-11-16 07:39:13,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:39:13,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:39:13,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:39:13,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:39:13,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:39:13,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c85c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13, skipping insertion in model container [2022-11-16 07:39:13,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:39:13,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:39:13,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:39:13,797 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:39:13,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:39:13,821 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:39:13,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13 WrapperNode [2022-11-16 07:39:13,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:39:13,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:39:13,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:39:13,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:39:13,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,856 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-11-16 07:39:13,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:39:13,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:39:13,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:39:13,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:39:13,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,889 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:39:13,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:39:13,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:39:13,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:39:13,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:13" (1/1) ... [2022-11-16 07:39:13,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:39:13,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:39:13,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:39:13,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:39:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 07:39:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 07:39:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:39:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:39:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 07:39:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 07:39:14,057 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:39:14,059 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:39:14,188 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:39:14,207 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:39:14,207 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 07:39:14,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:39:14 BoogieIcfgContainer [2022-11-16 07:39:14,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:39:14,210 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:39:14,211 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:39:14,220 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:39:14,221 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:39:14" (1/1) ... [2022-11-16 07:39:14,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 07:39:14,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2022-11-16 07:39:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-11-16 07:39:14,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-16 07:39:14,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:14,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:14,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2022-11-16 07:39:14,501 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-11-16 07:39:14,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-16 07:39:14,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:14,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:14,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:14,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2022-11-16 07:39:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-16 07:39:14,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 07:39:14,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:14,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:14,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:14,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-11-16 07:39:14,848 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-11-16 07:39:14,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 07:39:14,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:14,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-11-16 07:39:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-11-16 07:39:14,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 07:39:14,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:14,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2022-11-16 07:39:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-11-16 07:39:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 07:39:15,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:15,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:15,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2022-11-16 07:39:15,322 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-16 07:39:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 07:39:15,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:15,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:15,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2022-11-16 07:39:15,489 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2022-11-16 07:39:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 07:39:15,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:15,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:15,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:15,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:15,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2022-11-16 07:39:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-11-16 07:39:15,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 07:39:15,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:15,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2022-11-16 07:39:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-11-16 07:39:15,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 07:39:15,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:15,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2022-11-16 07:39:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-11-16 07:39:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 07:39:16,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:16,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:16,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2022-11-16 07:39:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-16 07:39:16,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 07:39:16,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:16,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:16,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:39:17,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:17,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2022-11-16 07:39:17,068 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-11-16 07:39:17,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 07:39:17,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:17,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:39:17,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2022-11-16 07:39:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-16 07:39:17,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 07:39:17,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:17,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:17,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:39:17,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-11-16 07:39:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-16 07:39:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 07:39:17,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:39:17,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:39:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:39:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:39:17,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:39:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-16 07:39:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-16 07:39:17,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 07:39:17,235 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2022-11-16 07:39:17,243 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-16 07:39:17,310 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2022-11-16 07:39:17,321 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-16 07:39:17,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 16.11 07:39:17 ImpRootNode [2022-11-16 07:39:17,322 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-16 07:39:17,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 07:39:17,323 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 07:39:17,323 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 07:39:17,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:39:14" (3/4) ... [2022-11-16 07:39:17,327 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 07:39:17,336 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 07:39:17,336 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 07:39:17,337 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 07:39:17,337 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 07:39:17,361 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\valid[p := 0] == \old(unknown-main_\old_#valid#1-unknown) && p + 4 <= unknown-#length-unknown[p]) && p == 0) && \valid[p] == 1) && !(unknown-#StackHeapBarrier-unknown <= p) [2022-11-16 07:39:17,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-16 07:39:17,372 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/witness.graphml [2022-11-16 07:39:17,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 07:39:17,374 INFO L158 Benchmark]: Toolchain (without parser) took 3796.72ms. Allocated memory was 117.4MB in the beginning and 161.5MB in the end (delta: 44.0MB). Free memory was 84.0MB in the beginning and 99.3MB in the end (delta: -15.3MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2022-11-16 07:39:17,374 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 79.7MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:39:17,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.42ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 93.1MB in the end (delta: -9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 07:39:17,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.46ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 91.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 07:39:17,376 INFO L158 Benchmark]: Boogie Preprocessor took 33.17ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 90.6MB in the end (delta: 900.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:39:17,376 INFO L158 Benchmark]: RCFGBuilder took 317.89ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 79.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 07:39:17,377 INFO L158 Benchmark]: CodeCheck took 3112.02ms. Allocated memory was 117.4MB in the beginning and 161.5MB in the end (delta: 44.0MB). Free memory was 79.4MB in the beginning and 102.5MB in the end (delta: -23.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-11-16 07:39:17,377 INFO L158 Benchmark]: Witness Printer took 49.87ms. Allocated memory is still 161.5MB. Free memory was 102.5MB in the beginning and 99.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 07:39:17,380 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, 23 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 425 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 391 mSDsluCounter, 365 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 301 mSDsCounter, 295 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 885 IncrementalHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 295 mSolverCounterUnsat, 64 mSDtfsCounter, 885 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 683 GetRequests, 617 SyntacticMatches, 6 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1421 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 6/6 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: -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: 19]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 19]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 19]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 13]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: (((\valid[p := 0] == \old(unknown-main_\old_#valid#1-unknown) && p + 4 <= unknown-#length-unknown[p]) && p == 0) && \valid[p] == 1) && !(unknown-#StackHeapBarrier-unknown <= p) - InvariantResult [Line: 13]: 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 0.23ms. Allocated memory is still 79.7MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.42ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 93.1MB in the end (delta: -9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.46ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 91.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.17ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 90.6MB in the end (delta: 900.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.89ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 79.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 3112.02ms. Allocated memory was 117.4MB in the beginning and 161.5MB in the end (delta: 44.0MB). Free memory was 79.4MB in the beginning and 102.5MB in the end (delta: -23.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Witness Printer took 49.87ms. Allocated memory is still 161.5MB. Free memory was 102.5MB in the beginning and 99.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-16 07:39:17,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ba429f-3ae5-457f-a90c-6891fa94a7f8/bin/ukojak-CydTVMUXoH/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