./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/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_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:56:05,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:56:05,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:56:05,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:56:05,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:56:05,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:56:05,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:56:05,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:56:05,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:56:05,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:56:05,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:56:05,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:56:05,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:56:05,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:56:05,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:56:05,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:56:05,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:56:05,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:56:05,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:56:05,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:56:05,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:56:05,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:56:05,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:56:05,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:56:05,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:56:05,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:56:05,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:56:05,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:56:05,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:56:05,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:56:05,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:56:05,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:56:05,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:56:05,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:56:05,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:56:05,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:56:05,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:56:05,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:56:05,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:56:05,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:56:05,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:56:05,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-12-15 02:56:05,268 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:56:05,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:56:05,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:56:05,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:56:05,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:56:05,269 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:56:05,270 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:56:05,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:56:05,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:56:05,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:56:05,270 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 02:56:05,270 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 02:56:05,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:56:05,276 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:56:05,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:56:05,277 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:56:05,277 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:56:05,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:56:05,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:56:05,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:56:05,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:56:05,278 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:56:05,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:56:05,278 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_2e55ca7c-7197-475c-bdda-f3f93f27450e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2022-12-15 02:56:05,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:56:05,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:56:05,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:56:05,489 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:56:05,489 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:56:05,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-ext-properties/simple-ext.i [2022-12-15 02:56:07,997 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:56:08,178 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:56:08,178 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/sv-benchmarks/c/list-ext-properties/simple-ext.i [2022-12-15 02:56:08,187 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4/data/e8742fbb4/bf1bb13b9c4342b6b5c7a9d449747166/FLAGee4ce24de [2022-12-15 02:56:08,560 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4/data/e8742fbb4/bf1bb13b9c4342b6b5c7a9d449747166 [2022-12-15 02:56:08,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:56:08,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:56:08,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:56:08,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:56:08,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:56:08,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a4983c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08, skipping insertion in model container [2022-12-15 02:56:08,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:56:08,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:56:08,808 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2022-12-15 02:56:08,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:56:08,823 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:56:08,858 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2022-12-15 02:56:08,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:56:08,879 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:56:08,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08 WrapperNode [2022-12-15 02:56:08,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:56:08,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:56:08,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:56:08,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:56:08,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,918 INFO L138 Inliner]: procedures = 124, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2022-12-15 02:56:08,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:56:08,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:56:08,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:56:08,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:56:08,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,941 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:56:08,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:56:08,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:56:08,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:56:08,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:56:08" (1/1) ... [2022-12-15 02:56:08,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:56:08,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:56:08,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:56:08,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:56:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:56:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:56:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 02:56:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:56:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 02:56:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 02:56:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:56:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:56:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:56:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:56:09,089 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:56:09,091 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:56:09,255 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:56:09,288 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:56:09,288 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 02:56:09,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:56:09 BoogieIcfgContainer [2022-12-15 02:56:09,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:56:09,291 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:56:09,291 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:56:09,299 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:56:09,299 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:56:09" (1/1) ... [2022-12-15 02:56:09,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:56:09,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2022-12-15 02:56:09,342 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2022-12-15 02:56:09,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:56:09,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:09,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:09,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:09,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2022-12-15 02:56:09,467 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2022-12-15 02:56:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 02:56:09,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:09,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:09,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2022-12-15 02:56:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2022-12-15 02:56:09,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 02:56:09,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:09,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:09,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:09,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2022-12-15 02:56:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2022-12-15 02:56:09,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 02:56:09,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:09,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:09,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2022-12-15 02:56:09,874 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2022-12-15 02:56:09,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 02:56:09,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:09,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:10,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:10,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 66 transitions. [2022-12-15 02:56:10,248 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2022-12-15 02:56:10,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 02:56:10,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:10,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:10,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:10,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:10,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 54 states and 65 transitions. [2022-12-15 02:56:10,283 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2022-12-15 02:56:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 02:56:10,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:10,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 66 transitions. [2022-12-15 02:56:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2022-12-15 02:56:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:56:10,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:10,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:10,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:10,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 54 states and 65 transitions. [2022-12-15 02:56:10,520 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2022-12-15 02:56:10,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:56:10,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:10,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:10,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:10,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2022-12-15 02:56:10,692 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-12-15 02:56:10,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:56:10,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:10,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:11,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2022-12-15 02:56:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2022-12-15 02:56:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:56:11,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:11,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:11,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:11,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2022-12-15 02:56:11,375 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2022-12-15 02:56:11,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:56:11,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:11,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2022-12-15 02:56:11,414 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2022-12-15 02:56:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:56:11,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:11,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:11,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:11,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 68 states and 100 transitions. [2022-12-15 02:56:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2022-12-15 02:56:11,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:56:11,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:11,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:12,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:12,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 110 transitions. [2022-12-15 02:56:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2022-12-15 02:56:12,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:56:12,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:12,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:56:12,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 02:56:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:56:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:56:12,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 02:56:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:56:12,175 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2022-12-15 02:56:12,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:56:12 ImpRootNode [2022-12-15 02:56:12,200 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:56:12,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:56:12,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:56:12,201 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:56:12,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:56:09" (3/4) ... [2022-12-15 02:56:12,203 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 02:56:12,238 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:56:12,239 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:56:12,239 INFO L158 Benchmark]: Toolchain (without parser) took 3675.67ms. Allocated memory is still 136.3MB. Free memory was 103.2MB in the beginning and 44.2MB in the end (delta: 59.0MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2022-12-15 02:56:12,240 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:56:12,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.49ms. Allocated memory is still 136.3MB. Free memory was 103.2MB in the beginning and 86.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 02:56:12,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.32ms. Allocated memory is still 136.3MB. Free memory was 86.4MB in the beginning and 84.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:56:12,241 INFO L158 Benchmark]: Boogie Preprocessor took 25.15ms. Allocated memory is still 136.3MB. Free memory was 84.4MB in the beginning and 83.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:56:12,242 INFO L158 Benchmark]: RCFGBuilder took 345.19ms. Allocated memory is still 136.3MB. Free memory was 83.1MB in the beginning and 64.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 02:56:12,242 INFO L158 Benchmark]: CodeCheck took 2908.98ms. Allocated memory is still 136.3MB. Free memory was 64.7MB in the beginning and 46.3MB in the end (delta: 18.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-12-15 02:56:12,243 INFO L158 Benchmark]: Witness Printer took 38.14ms. Allocated memory is still 136.3MB. Free memory was 46.3MB in the beginning and 44.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:56:12,245 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, 45 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 511 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 484 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 295 mSDsCounter, 308 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1205 IncrementalHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 308 mSolverCounterUnsat, 189 mSDtfsCounter, 1205 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 767 GetRequests, 678 SyntacticMatches, 9 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2461 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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: 551]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L532] List a = (List) malloc(sizeof(struct node)); [L533] COND FALSE !(a == 0) [L534] List t; [L535] List p = a; [L536] int i = 0; VAL [a={-1:0}, i=0, p={-1:0}] [L537] i < 30 && __VERIFIER_nondet_int() [L537] i < 30 && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, a={-1:0}, i=0, i < 30 && __VERIFIER_nondet_int()=0, p={-1:0}] [L537] COND FALSE !(i < 30 && __VERIFIER_nondet_int()) [L545] p->h = i VAL [a={-1:0}, i=0, p={-1:0}] [L546] p->n = 0 [L547] p = a [L548] i = 0 VAL [a={-1:0}, i=0, p={-1:0}] [L549] COND TRUE p!=0 VAL [a={-1:0}, i=0, p={-1:0}] [L550] EXPR p->h VAL [a={-1:0}, i=0, p={-1:0}, p->h=0] [L550] COND TRUE p->h != 1 [L551] reach_error() VAL [a={-1:0}, i=0, p={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.49ms. Allocated memory is still 136.3MB. Free memory was 103.2MB in the beginning and 86.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.32ms. Allocated memory is still 136.3MB. Free memory was 86.4MB in the beginning and 84.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.15ms. Allocated memory is still 136.3MB. Free memory was 84.4MB in the beginning and 83.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.19ms. Allocated memory is still 136.3MB. Free memory was 83.1MB in the beginning and 64.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2908.98ms. Allocated memory is still 136.3MB. Free memory was 64.7MB in the beginning and 46.3MB in the end (delta: 18.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Witness Printer took 38.14ms. Allocated memory is still 136.3MB. Free memory was 46.3MB in the beginning and 44.2MB 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! [2022-12-15 02:56:12,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e55ca7c-7197-475c-bdda-f3f93f27450e/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)