./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dd9f812dd0592e9d2894b2831060b27794691dcfdafe5c5494c28350656b71ee --- 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-dbf71c6-m [2022-10-17 16:49:33,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:33,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:33,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:33,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:33,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:33,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:33,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:33,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:33,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:33,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:33,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:33,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:33,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:33,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:33,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:33,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:33,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:33,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:33,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:33,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:33,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:33,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:33,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:33,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:33,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:33,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:33,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:33,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:33,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:33,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:33,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:33,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:33,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:33,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:33,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:33,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:33,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:33,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:33,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:33,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:33,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:33,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:33,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:33,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:33,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:33,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:33,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:33,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:33,866 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:33,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:33,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:33,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:33,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:33,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:33,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:33,878 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:33,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:33,879 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:33,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:33,879 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:33,879 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:33,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:33,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:33,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:33,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:33,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:33,880 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:33,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:33,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:33,881 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_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd9f812dd0592e9d2894b2831060b27794691dcfdafe5c5494c28350656b71ee [2022-10-17 16:49:34,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:34,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:34,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:34,190 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:34,191 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:34,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/dll-01-1.i [2022-10-17 16:49:34,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/data/686e3788d/6183e6f6d2494a19959b992ff2095565/FLAG999957e5c [2022-10-17 16:49:34,812 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:34,813 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i [2022-10-17 16:49:34,834 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/data/686e3788d/6183e6f6d2494a19959b992ff2095565/FLAG999957e5c [2022-10-17 16:49:35,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/data/686e3788d/6183e6f6d2494a19959b992ff2095565 [2022-10-17 16:49:35,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:35,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:35,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:35,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:35,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:35,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60493439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35, skipping insertion in model container [2022-10-17 16:49:35,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:35,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:35,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[22080,22093] [2022-10-17 16:49:35,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[22353,22366] [2022-10-17 16:49:35,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[22587,22600] [2022-10-17 16:49:35,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[22657,22670] [2022-10-17 16:49:35,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[22924,22937] [2022-10-17 16:49:35,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23032,23045] [2022-10-17 16:49:35,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23263,23276] [2022-10-17 16:49:35,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23343,23356] [2022-10-17 16:49:35,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23422,23435] [2022-10-17 16:49:35,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23512,23525] [2022-10-17 16:49:35,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23690,23703] [2022-10-17 16:49:35,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23768,23781] [2022-10-17 16:49:35,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23845,23858] [2022-10-17 16:49:35,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:35,594 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:35,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[22080,22093] [2022-10-17 16:49:35,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[22353,22366] [2022-10-17 16:49:35,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[22587,22600] [2022-10-17 16:49:35,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[22657,22670] [2022-10-17 16:49:35,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[22924,22937] [2022-10-17 16:49:35,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23032,23045] [2022-10-17 16:49:35,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23263,23276] [2022-10-17 16:49:35,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23343,23356] [2022-10-17 16:49:35,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23422,23435] [2022-10-17 16:49:35,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23512,23525] [2022-10-17 16:49:35,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23690,23703] [2022-10-17 16:49:35,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23768,23781] [2022-10-17 16:49:35,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/sv-benchmarks/c/forester-heap/dll-01-1.i[23845,23858] [2022-10-17 16:49:35,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:35,687 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:35,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35 WrapperNode [2022-10-17 16:49:35,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:35,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:35,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:35,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:35,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,759 INFO L138 Inliner]: procedures = 119, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 225 [2022-10-17 16:49:35,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:35,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:35,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:35,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:35,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,793 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:35,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:35,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:35,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:35,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:35,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:35,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:35,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:49:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:49:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:49:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:36,110 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:36,112 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:36,597 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:36,694 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:36,694 INFO L300 CfgBuilder]: Removed 30 assume(true) statements. [2022-10-17 16:49:36,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:36 BoogieIcfgContainer [2022-10-17 16:49:36,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:36,699 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:36,699 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:36,710 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:36,711 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:36" (1/1) ... [2022-10-17 16:49:36,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:36,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 74 states and 118 transitions. [2022-10-17 16:49:36,812 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2022-10-17 16:49:36,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:49:36,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:36,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:37,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:37,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2022-10-17 16:49:37,090 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2022-10-17 16:49:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:37,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:37,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:37,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:37,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 108 transitions. [2022-10-17 16:49:37,744 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2022-10-17 16:49:37,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:49:37,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:37,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2022-10-17 16:49:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2022-10-17 16:49:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:49:37,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:37,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:39,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2022-10-17 16:49:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2022-10-17 16:49:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:49:39,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:39,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:39,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 109 transitions. [2022-10-17 16:49:39,763 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2022-10-17 16:49:39,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:49:39,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:39,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:39,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:39,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2022-10-17 16:49:39,931 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2022-10-17 16:49:39,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:49:39,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:39,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:40,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2022-10-17 16:49:40,075 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2022-10-17 16:49:40,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:49:40,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:40,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:40,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2022-10-17 16:49:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2022-10-17 16:49:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:49:40,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:40,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:40,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2022-10-17 16:49:40,469 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2022-10-17 16:49:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:49:40,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:40,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:41,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:41,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 72 states and 96 transitions. [2022-10-17 16:49:41,074 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2022-10-17 16:49:41,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:49:41,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:41,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:47,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 83 states and 112 transitions. [2022-10-17 16:49:47,691 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2022-10-17 16:49:47,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:49:47,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:47,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:47,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:49:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:48,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:49:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:49:48,108 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2022-10-17 16:49:48,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:49:48 ImpRootNode [2022-10-17 16:49:48,148 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:49:48,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:49:48,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:49:48,149 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:49:48,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:36" (3/4) ... [2022-10-17 16:49:48,152 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:49:48,205 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:49:48,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:49:48,206 INFO L158 Benchmark]: Toolchain (without parser) took 13062.56ms. Allocated memory was 79.7MB in the beginning and 297.8MB in the end (delta: 218.1MB). Free memory was 51.8MB in the beginning and 242.9MB in the end (delta: -191.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-10-17 16:49:48,207 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 51.6MB in the end (delta: 39.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:48,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.28ms. Allocated memory is still 79.7MB. Free memory was 51.6MB in the beginning and 44.7MB in the end (delta: 6.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:49:48,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.13ms. Allocated memory is still 79.7MB. Free memory was 44.7MB in the beginning and 42.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:48,209 INFO L158 Benchmark]: Boogie Preprocessor took 38.06ms. Allocated memory is still 79.7MB. Free memory was 42.2MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:48,210 INFO L158 Benchmark]: RCFGBuilder took 898.82ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 39.9MB in the beginning and 60.8MB in the end (delta: -20.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-10-17 16:49:48,211 INFO L158 Benchmark]: CodeCheck took 11449.46ms. Allocated memory was 107.0MB in the beginning and 297.8MB in the end (delta: 190.8MB). Free memory was 60.8MB in the beginning and 245.0MB in the end (delta: -184.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-10-17 16:49:48,211 INFO L158 Benchmark]: Witness Printer took 56.01ms. Allocated memory is still 297.8MB. Free memory was 245.0MB in the beginning and 242.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:48,216 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, 74 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1032 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 271 mSDsluCounter, 521 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 217 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 724 IncrementalHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 217 mSolverCounterUnsat, 279 mSDtfsCounter, 724 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1066 GetRequests, 983 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1929 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 1036 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1040]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1003] SLL* list = malloc(sizeof(SLL)); [L1004] list->next = ((void*)0) [L1005] list->prev = ((void*)0) VAL [list={-1:0}] [L1006] COND FALSE !(!(list != ((void*)0))) VAL [list={-1:0}] [L1006] COND FALSE !(__VERIFIER_nondet_int()) [L1006] list->inner = malloc(sizeof(SLL)) [L1006] EXPR list->inner [L1006] list->inner->next = ((void*)0) [L1006] EXPR list->inner [L1006] list->inner->inner = ((void*)0) [L1006] EXPR list->inner [L1006] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={-1:0}, list->inner={0:0}, list->inner={0:0}, list->inner={-2:0}, list->inner={61:60}, list->inner != ((void*)0) || list->inner == ((void*)0)=1, malloc(sizeof(SLL))={0:0}] [L1006] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L1008] SLL* end = list; VAL [end={-1:0}, list={-1:0}, list->inner={0:0}, list->inner={0:0}, malloc(sizeof(SLL))={0:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1022] end = ((void*)0) [L1023] end = list VAL [end={-1:0}, list={-1:0}, list->inner={0:0}, list->inner={0:0}, malloc(sizeof(SLL))={0:0}] [L1026] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}, list->inner={0:0}, list->inner={0:0}, malloc(sizeof(SLL))={0:0}] [L1028] COND TRUE ((void*)0) != end [L1030] int len = 0; [L1031] EXPR end->inner [L1031] SLL* inner = end->inner; [L1032] COND TRUE ((void*)0) != inner [L1034] COND TRUE len == 0 [L1035] len = 1 VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, list->inner={0:0}, list->inner={0:0}, malloc(sizeof(SLL))={0:0}] [L1038] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, list->inner={0:0}, list->inner={0:0}, malloc(sizeof(SLL))={0:0}] [L1039] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, list->inner={0:0}, list->inner={0:0}, malloc(sizeof(SLL))={0:0}] [L1039] COND FALSE !(!(((void*)0) == inner->inner)) [L1040] EXPR inner->next VAL [end={-1:0}, inner={-2:0}, inner->next={0:0}, len=1, list={-1:0}, list->inner={0:0}, list->inner={0:0}, malloc(sizeof(SLL))={0:0}] [L1040] COND TRUE !(((void*)0) != inner->next) [L1040] reach_error() VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, list->inner={0:0}, list->inner={0:0}, malloc(sizeof(SLL))={0:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 51.6MB in the end (delta: 39.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.28ms. Allocated memory is still 79.7MB. Free memory was 51.6MB in the beginning and 44.7MB in the end (delta: 6.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.13ms. Allocated memory is still 79.7MB. Free memory was 44.7MB in the beginning and 42.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.06ms. Allocated memory is still 79.7MB. Free memory was 42.2MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 898.82ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 39.9MB in the beginning and 60.8MB in the end (delta: -20.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * CodeCheck took 11449.46ms. Allocated memory was 107.0MB in the beginning and 297.8MB in the end (delta: 190.8MB). Free memory was 60.8MB in the beginning and 245.0MB in the end (delta: -184.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 56.01ms. Allocated memory is still 297.8MB. Free memory was 245.0MB in the beginning and 242.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:49:48,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_addb8f3d-115b-45ea-9e83-f4c3f046af0b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE