./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/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_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:26:17,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:26:17,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:26:17,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:26:17,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:26:17,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:26:17,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:26:17,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:26:17,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:26:17,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:26:17,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:26:17,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:26:17,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:26:17,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:26:17,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:26:17,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:26:17,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:26:17,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:26:17,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:26:17,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:26:17,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:26:17,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:26:17,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:26:17,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:26:17,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:26:17,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:26:17,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:26:17,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:26:17,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:26:17,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:26:17,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:26:17,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:26:17,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:26:17,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:26:17,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:26:17,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:26:17,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:26:17,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:26:17,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:26:17,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:26:17,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:26:17,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 21:26:17,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:26:17,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:26:17,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:26:17,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:26:17,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:26:17,644 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:26:17,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:26:17,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:26:17,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:26:17,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:26:17,645 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 21:26:17,645 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 21:26:17,645 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 21:26:17,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:26:17,646 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:26:17,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:26:17,646 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:26:17,646 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:26:17,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:26:17,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:26:17,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:26:17,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:26:17,647 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:26:17,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:26:17,647 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_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 [2022-12-14 21:26:17,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:26:17,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:26:17,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:26:17,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:26:17,830 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:26:17,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2022-12-14 21:26:20,502 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:26:20,680 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:26:20,680 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2022-12-14 21:26:20,689 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4/data/662e98c37/6a862ad6efd141a6af12df1984396ae2/FLAG4641c7fb1 [2022-12-14 21:26:20,699 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4/data/662e98c37/6a862ad6efd141a6af12df1984396ae2 [2022-12-14 21:26:20,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:26:20,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:26:20,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:26:20,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:26:20,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:26:20,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:20,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4408113d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20, skipping insertion in model container [2022-12-14 21:26:20,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:20,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:26:20,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:26:20,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:26:20,919 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:26:20,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:26:20,958 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:26:20,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20 WrapperNode [2022-12-14 21:26:20,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:26:20,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:26:20,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:26:20,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:26:20,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:20,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:20,986 INFO L138 Inliner]: procedures = 116, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-12-14 21:26:20,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:26:20,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:26:20,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:26:20,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:26:20,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:20,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:20,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:20,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:20,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:21,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:21,000 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:21,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:21,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:26:21,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:26:21,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:26:21,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:26:21,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:26:20" (1/1) ... [2022-12-14 21:26:21,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:26:21,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:26:21,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:26:21,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:26:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:26:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:26:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:26:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:26:21,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:26:21,135 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:26:21,137 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:26:21,224 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:26:21,254 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:26:21,254 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:26:21,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:26:21 BoogieIcfgContainer [2022-12-14 21:26:21,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:26:21,257 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:26:21,257 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:26:21,265 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:26:21,265 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:26:21" (1/1) ... [2022-12-14 21:26:21,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:26:21,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:21,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-12-14 21:26:21,312 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-12-14 21:26:21,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:26:21,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:21,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:26:21,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:21,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 21:26:21,460 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 21:26:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:26:21,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:21,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:21,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:26:21,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-12-14 21:26:21,497 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-12-14 21:26:21,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:26:21,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:21,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:26:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-14 21:26:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-14 21:26:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:26:21,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:21,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:26:22,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:22,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-12-14 21:26:22,231 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-12-14 21:26:22,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 21:26:22,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:22,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:26:22,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:22,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-12-14 21:26:22,860 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-12-14 21:26:22,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:26:22,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:22,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:23,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:26:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2022-12-14 21:26:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2022-12-14 21:26:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:26:25,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:25,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:26:26,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2022-12-14 21:26:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2022-12-14 21:26:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:26:26,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:26,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:26,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:26:27,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:27,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2022-12-14 21:26:27,666 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2022-12-14 21:26:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:26:27,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:27,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:27,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:26:28,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:28,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2022-12-14 21:26:28,300 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2022-12-14 21:26:28,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:26:28,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:28,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:28,337 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 21:26:28,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2022-12-14 21:26:28,700 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2022-12-14 21:26:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:26:28,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:28,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:26:29,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:29,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2022-12-14 21:26:29,514 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2022-12-14 21:26:29,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:26:29,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:29,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:26:33,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:33,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2022-12-14 21:26:33,390 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2022-12-14 21:26:33,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:26:33,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:33,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:34,419 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:26:37,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:37,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 37 states and 80 transitions. [2022-12-14 21:26:37,855 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 80 transitions. [2022-12-14 21:26:37,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 21:26:37,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:37,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:37,885 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 21:26:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:38,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 38 states and 83 transitions. [2022-12-14 21:26:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 83 transitions. [2022-12-14 21:26:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 21:26:38,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:38,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:38,467 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 21:26:39,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:39,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 39 states and 86 transitions. [2022-12-14 21:26:39,007 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 86 transitions. [2022-12-14 21:26:39,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:26:39,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:26:39,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:26:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:26:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:26:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:26:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2022-12-14 21:26:42,830 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2022-12-14 21:26:42,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 21:26:42,830 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-12-14 21:26:42,835 INFO L754 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2022-12-14 21:26:42,948 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 21:26:42,955 INFO L560 CodeCheckObserver]: Invariant with dag size 46 [2022-12-14 21:26:42,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:26:42 ImpRootNode [2022-12-14 21:26:42,958 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:26:42,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:26:42,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:26:42,959 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:26:42,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:26:21" (3/4) ... [2022-12-14 21:26:42,961 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 21:26:42,967 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 21:26:42,967 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 21:26:42,967 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 21:26:42,967 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 21:26:42,983 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 21:26:42,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\valid[p] == 1 && 1 <= p) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 0 <= length) && (length <= 0 || length + p <= (-1 * unknown-#length-unknown[p] + p + 2147483646) / 4294967296 * 4294967296 + unknown-#length-unknown[p])) && (length + p <= unknown-#length-unknown[p] || length <= 0)) || ((((\valid[p] == 1 && ((length <= 1 && 1 <= length) || (1 <= length && length <= (-1 * unknown-#length-unknown[p] + 2147483647) / 4294967296 * 4294967296 + unknown-#length-unknown[p]))) && 1 <= unknown-#length-unknown[p]) && p == 0) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) [2022-12-14 21:26:42,990 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:26:42,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:26:42,991 INFO L158 Benchmark]: Toolchain (without parser) took 22288.62ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 114.8MB in the beginning and 42.9MB in the end (delta: 72.0MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. [2022-12-14 21:26:42,991 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:26:42,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.92ms. Allocated memory is still 151.0MB. Free memory was 114.3MB in the beginning and 99.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 21:26:42,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.90ms. Allocated memory is still 151.0MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:26:42,992 INFO L158 Benchmark]: Boogie Preprocessor took 15.61ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 96.0MB in the end (delta: 935.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:26:42,996 INFO L158 Benchmark]: RCFGBuilder took 253.60ms. Allocated memory is still 151.0MB. Free memory was 96.0MB in the beginning and 83.7MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 21:26:42,997 INFO L158 Benchmark]: CodeCheck took 21701.04ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 83.7MB in the beginning and 45.0MB in the end (delta: 38.7MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2022-12-14 21:26:42,997 INFO L158 Benchmark]: Witness Printer took 32.05ms. Allocated memory is still 182.5MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:26:42,999 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, 11 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 21.6s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 588 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 438 mSDsluCounter, 274 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 831 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2914 IncrementalHoareTripleChecker+Invalid, 3745 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 831 mSolverCounterUnsat, 144 mSDtfsCounter, 2914 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1582 GetRequests, 1333 SyntacticMatches, 25 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19265 ImplicationChecksByTransitivity, 18.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 1502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 35/78 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: 519]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: (((((\valid[p] == 1 && 1 <= p) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 0 <= length) && (length <= 0 || length + p <= (-1 * unknown-#length-unknown[p] + p + 2147483646) / 4294967296 * 4294967296 + unknown-#length-unknown[p])) && (length + p <= unknown-#length-unknown[p] || length <= 0)) || ((((\valid[p] == 1 && ((length <= 1 && 1 <= length) || (1 <= length && length <= (-1 * unknown-#length-unknown[p] + 2147483647) / 4294967296 * 4294967296 + unknown-#length-unknown[p]))) && 1 <= unknown-#length-unknown[p]) && p == 0) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.92ms. Allocated memory is still 151.0MB. Free memory was 114.3MB in the beginning and 99.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.90ms. Allocated memory is still 151.0MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.61ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 96.0MB in the end (delta: 935.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 253.60ms. Allocated memory is still 151.0MB. Free memory was 96.0MB in the beginning and 83.7MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 21701.04ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 83.7MB in the beginning and 45.0MB in the end (delta: 38.7MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * Witness Printer took 32.05ms. Allocated memory is still 182.5MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 21:26:43,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6697cb92-e2a9-4249-9e3a-d358a4bdbb8c/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