./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/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_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/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 64bit --witnessprinter.graph.data.programhash 3c4d1f74b81dbb287c4425592070f3cc0de08845db85b6da85a8a6e68f14746e --- 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 [2022-12-15 03:11:14,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:11:14,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:11:14,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:11:14,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:11:14,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:11:14,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:11:14,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:11:14,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:11:14,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:11:14,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:11:14,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:11:14,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:11:14,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:11:14,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:11:14,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:11:14,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:11:14,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:11:14,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:11:14,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:11:14,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:11:14,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:11:14,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:11:14,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:11:14,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:11:14,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:11:14,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:11:14,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:11:14,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:11:14,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:11:14,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:11:14,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:11:14,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:11:14,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:11:14,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:11:14,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:11:14,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:11:14,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:11:14,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:11:14,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:11:14,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:11:14,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-15 03:11:14,673 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:11:14,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:11:14,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:11:14,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:11:14,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:11:14,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:11:14,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:11:14,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:11:14,675 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 03:11:14,675 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 03:11:14,675 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 03:11:14,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:11:14,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:11:14,676 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:11:14,676 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:11:14,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:11:14,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:11:14,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:11:14,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:11:14,676 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:11:14,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:11:14,677 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_65ac0c87-d8f6-486b-96a9-ae10235a0e28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c4d1f74b81dbb287c4425592070f3cc0de08845db85b6da85a8a6e68f14746e [2022-12-15 03:11:14,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:11:14,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:11:14,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:11:14,871 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:11:14,872 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:11:14,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2022-12-15 03:11:17,473 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:11:17,642 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:11:17,642 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2022-12-15 03:11:17,648 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4/data/9c64dd668/043806a9695544bbb69ec3d46282a1b4/FLAGe8f83236b [2022-12-15 03:11:17,658 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4/data/9c64dd668/043806a9695544bbb69ec3d46282a1b4 [2022-12-15 03:11:17,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:11:17,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:11:17,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:11:17,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:11:17,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:11:17,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:17,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d52e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17, skipping insertion in model container [2022-12-15 03:11:17,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:17,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:11:17,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:11:17,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:11:17,913 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:11:17,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:11:17,956 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:11:17,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17 WrapperNode [2022-12-15 03:11:17,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:11:17,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:11:17,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:11:17,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:11:17,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:17,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:17,984 INFO L138 Inliner]: procedures = 152, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-12-15 03:11:17,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:11:17,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:11:17,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:11:17,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:11:17,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:17,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:17,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:17,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:17,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:17,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:17,999 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:18,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:18,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:11:18,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:11:18,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:11:18,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:11:18,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:11:17" (1/1) ... [2022-12-15 03:11:18,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:11:18,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:11:18,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:11:18,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:11:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:11:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:11:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:11:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:11:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:11:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:11:18,131 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:11:18,133 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:11:18,289 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:11:18,340 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:11:18,340 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 03:11:18,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:11:18 BoogieIcfgContainer [2022-12-15 03:11:18,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:11:18,343 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:11:18,343 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:11:18,351 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:11:18,352 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:11:18" (1/1) ... [2022-12-15 03:11:18,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:11:18,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-12-15 03:11:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-12-15 03:11:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-15 03:11:18,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:18,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:18,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:18,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-12-15 03:11:18,634 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-15 03:11:18,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-15 03:11:18,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:18,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:18,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-12-15 03:11:18,828 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-12-15 03:11:18,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:11:18,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:18,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:18,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-12-15 03:11:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-12-15 03:11:18,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:11:18,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:18,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:19,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:19,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2022-12-15 03:11:19,725 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-12-15 03:11:19,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:11:19,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:19,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:19,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:20,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:20,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2022-12-15 03:11:20,533 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2022-12-15 03:11:20,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:11:20,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:20,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:21,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2022-12-15 03:11:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-12-15 03:11:21,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:11:21,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:21,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:21,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:22,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2022-12-15 03:11:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2022-12-15 03:11:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:11:22,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:22,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:23,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:23,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2022-12-15 03:11:23,205 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-12-15 03:11:23,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:11:23,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:23,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:23,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2022-12-15 03:11:25,125 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2022-12-15 03:11:25,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:11:25,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:25,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2022-12-15 03:11:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2022-12-15 03:11:26,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:11:26,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:26,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:27,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 79 transitions. [2022-12-15 03:11:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2022-12-15 03:11:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:11:30,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:30,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:11:34,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:34,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 103 transitions. [2022-12-15 03:11:34,629 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 103 transitions. [2022-12-15 03:11:34,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:11:34,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:34,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:34,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:35,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 52 states and 109 transitions. [2022-12-15 03:11:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 109 transitions. [2022-12-15 03:11:35,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 03:11:35,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:35,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:35,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:11:36,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:36,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2022-12-15 03:11:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2022-12-15 03:11:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 03:11:36,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:36,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 56 states and 124 transitions. [2022-12-15 03:11:40,641 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 124 transitions. [2022-12-15 03:11:40,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 03:11:40,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:40,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:49,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:49,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 62 states and 139 transitions. [2022-12-15 03:11:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 139 transitions. [2022-12-15 03:11:49,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:11:49,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:49,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:49,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:11:50,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:50,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 63 states and 140 transitions. [2022-12-15 03:11:50,468 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 140 transitions. [2022-12-15 03:11:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:11:50,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:50,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 63 states and 139 transitions. [2022-12-15 03:11:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 139 transitions. [2022-12-15 03:11:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:11:54,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:11:54,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:11:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:11:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:11:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:11:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2022-12-15 03:11:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-12-15 03:11:59,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:11:59,694 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-12-15 03:11:59,701 INFO L754 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2022-12-15 03:11:59,869 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2022-12-15 03:11:59,878 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 03:11:59,879 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-12-15 03:11:59,880 INFO L560 CodeCheckObserver]: Invariant with dag size 41 [2022-12-15 03:11:59,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:11:59 ImpRootNode [2022-12-15 03:11:59,883 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:11:59,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:11:59,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:11:59,883 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:11:59,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:11:18" (3/4) ... [2022-12-15 03:11:59,887 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:11:59,895 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-15 03:11:59,896 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-15 03:11:59,896 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 03:11:59,896 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:11:59,915 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\valid[dst] == 1 && dst + 1 <= unknown-#length-unknown[dst]) && unknown-#memory_int-unknown[src][0] == 0) && \valid[src] == 1) && !(__builtin_alloca(length * sizeof(char)) == __builtin_alloca(n * sizeof(char)))) && n <= dst + 1) && src + 1 <= unknown-#length-unknown[src]) && !(src == dst)) && \valid[__builtin_alloca(length * sizeof(char)) := 0][__builtin_alloca(n * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && dst + 1 <= n) && 0 <= src) || ((((((((!(1 <= n) && \valid[dst] == 1) && dst + 1 <= unknown-#length-unknown[dst]) && \valid[src] == 1) && !(__builtin_alloca(length * sizeof(char)) == __builtin_alloca(n * sizeof(char)))) && n <= dst + 1) && src + 1 <= unknown-#length-unknown[src]) && \valid[__builtin_alloca(length * sizeof(char)) := 0][__builtin_alloca(n * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 0 <= src) [2022-12-15 03:11:59,915 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(__builtin_alloca(length * sizeof(char)) == __builtin_alloca(n * sizeof(char))) && \valid[__builtin_alloca(length * sizeof(char)) := 0][__builtin_alloca(n * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown) [2022-12-15 03:11:59,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-15 03:11:59,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((n2 <= us + 1 && us + 2 <= unknown-#length-unknown[us]) && us + 1 <= n2) && 0 <= n2) && !(__builtin_alloca(length * sizeof(char)) == __builtin_alloca(n * sizeof(char)))) && 1 == \valid[us]) && \valid[__builtin_alloca(length * sizeof(char)) := 0][__builtin_alloca(n * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown) [2022-12-15 03:11:59,930 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:11:59,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:11:59,931 INFO L158 Benchmark]: Toolchain (without parser) took 42269.82ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 129.7MB in the beginning and 85.5MB in the end (delta: 44.2MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. [2022-12-15 03:11:59,931 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:11:59,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.89ms. Allocated memory is still 159.4MB. Free memory was 129.7MB in the beginning and 123.8MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 03:11:59,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.57ms. Allocated memory is still 159.4MB. Free memory was 123.8MB in the beginning and 121.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:11:59,932 INFO L158 Benchmark]: Boogie Preprocessor took 16.12ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 120.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:11:59,933 INFO L158 Benchmark]: RCFGBuilder took 340.97ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 103.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 03:11:59,933 INFO L158 Benchmark]: CodeCheck took 41539.67ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 103.7MB in the beginning and 88.6MB in the end (delta: 15.0MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2022-12-15 03:11:59,933 INFO L158 Benchmark]: Witness Printer took 47.22ms. Allocated memory is still 192.9MB. Free memory was 88.6MB in the beginning and 85.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:11:59,936 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, 21 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 41.3s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 695 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 503 mSDsluCounter, 370 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 280 mSDsCounter, 1058 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4497 IncrementalHoareTripleChecker+Invalid, 5555 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1058 mSolverCounterUnsat, 90 mSDtfsCounter, 4497 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1929 GetRequests, 1523 SyntacticMatches, 50 SemanticMatches, 356 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46416 ImplicationChecksByTransitivity, 38.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 1728 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 9/48 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: 382]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (((((n2 <= us + 1 && us + 2 <= unknown-#length-unknown[us]) && us + 1 <= n2) && 0 <= n2) && !(__builtin_alloca(length * sizeof(char)) == __builtin_alloca(n * sizeof(char)))) && 1 == \valid[us]) && \valid[__builtin_alloca(length * sizeof(char)) := 0][__builtin_alloca(n * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown) - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: !(__builtin_alloca(length * sizeof(char)) == __builtin_alloca(n * sizeof(char))) && \valid[__builtin_alloca(length * sizeof(char)) := 0][__builtin_alloca(n * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown) - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ((((((((((\valid[dst] == 1 && dst + 1 <= unknown-#length-unknown[dst]) && unknown-#memory_int-unknown[src][0] == 0) && \valid[src] == 1) && !(__builtin_alloca(length * sizeof(char)) == __builtin_alloca(n * sizeof(char)))) && n <= dst + 1) && src + 1 <= unknown-#length-unknown[src]) && !(src == dst)) && \valid[__builtin_alloca(length * sizeof(char)) := 0][__builtin_alloca(n * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && dst + 1 <= n) && 0 <= src) || ((((((((!(1 <= n) && \valid[dst] == 1) && dst + 1 <= unknown-#length-unknown[dst]) && \valid[src] == 1) && !(__builtin_alloca(length * sizeof(char)) == __builtin_alloca(n * sizeof(char)))) && n <= dst + 1) && src + 1 <= unknown-#length-unknown[src]) && \valid[__builtin_alloca(length * sizeof(char)) := 0][__builtin_alloca(n * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 0 <= src) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.89ms. Allocated memory is still 159.4MB. Free memory was 129.7MB in the beginning and 123.8MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.57ms. Allocated memory is still 159.4MB. Free memory was 123.8MB in the beginning and 121.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.12ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 120.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.97ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 103.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 41539.67ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 103.7MB in the beginning and 88.6MB in the end (delta: 15.0MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Witness Printer took 47.22ms. Allocated memory is still 192.9MB. Free memory was 88.6MB in the beginning and 85.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:11:59,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ac0c87-d8f6-486b-96a9-ae10235a0e28/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