./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/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_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB --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 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9 --- 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 16:47:27,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:47:27,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:47:27,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:47:27,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:47:27,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:47:27,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:47:27,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:47:27,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:47:27,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:47:27,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:47:27,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:47:27,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:47:27,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:47:27,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:47:27,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:47:27,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:47:27,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:47:27,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:47:27,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:47:27,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:47:27,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:47:27,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:47:27,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:47:27,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:47:27,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:47:27,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:47:27,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:47:27,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:47:27,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:47:27,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:47:27,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:47:27,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:47:27,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:47:27,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:47:27,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:47:27,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:47:27,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:47:27,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:47:27,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:47:27,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:47:27,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-10-17 16:47:27,625 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:47:27,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:47:27,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:47:27,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:47:27,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:47:27,629 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:47:27,629 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:47:27,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:47:27,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:47:27,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:47:27,631 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:47:27,632 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:47:27,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:47:27,632 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:47:27,632 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:47:27,633 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:47:27,633 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:47:27,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:47:27,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:27,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:47:27,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:47:27,634 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:47:27,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:47:27,634 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_5e93f62f-a436-4df8-809b-256ee4a6bcc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9 [2022-10-17 16:47:27,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:47:27,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:47:28,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:47:28,001 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:47:28,002 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:47:28,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2022-10-17 16:47:28,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB/data/195c62b0a/c731e129404c42fcb2b07f23428f90cf/FLAG5c4e40ca9 [2022-10-17 16:47:28,627 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:47:28,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2022-10-17 16:47:28,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB/data/195c62b0a/c731e129404c42fcb2b07f23428f90cf/FLAG5c4e40ca9 [2022-10-17 16:47:28,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB/data/195c62b0a/c731e129404c42fcb2b07f23428f90cf [2022-10-17 16:47:28,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:47:28,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:47:28,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:28,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:47:28,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:47:28,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:28" (1/1) ... [2022-10-17 16:47:28,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cd522e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:28, skipping insertion in model container [2022-10-17 16:47:28,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:28" (1/1) ... [2022-10-17 16:47:28,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:47:28,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:29,323 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_5e93f62f-a436-4df8-809b-256ee4a6bcc1/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2022-10-17 16:47:29,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:29,345 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:47:29,417 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_5e93f62f-a436-4df8-809b-256ee4a6bcc1/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2022-10-17 16:47:29,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:29,455 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:47:29,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:29 WrapperNode [2022-10-17 16:47:29,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:29,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:29,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:47:29,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:47:29,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:29" (1/1) ... [2022-10-17 16:47:29,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:29" (1/1) ... [2022-10-17 16:47:29,510 INFO L138 Inliner]: procedures = 129, calls = 33, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 206 [2022-10-17 16:47:29,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:29,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:47:29,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:47:29,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:47:29,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:29" (1/1) ... [2022-10-17 16:47:29,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:29" (1/1) ... [2022-10-17 16:47:29,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:29" (1/1) ... [2022-10-17 16:47:29,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:29" (1/1) ... [2022-10-17 16:47:29,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:29" (1/1) ... [2022-10-17 16:47:29,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:29" (1/1) ... [2022-10-17 16:47:29,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:29" (1/1) ... [2022-10-17 16:47:29,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:29" (1/1) ... [2022-10-17 16:47:29,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:47:29,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:47:29,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:47:29,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:47:29,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:29" (1/1) ... [2022-10-17 16:47:29,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:29,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:47:29,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:47:29,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e93f62f-a436-4df8-809b-256ee4a6bcc1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:47:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:47:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:47:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:47:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:47:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:47:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:47:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:47:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:47:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:47:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:47:29,849 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:47:29,851 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:47:30,178 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:47:30,271 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:47:30,272 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 16:47:30,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:30 BoogieIcfgContainer [2022-10-17 16:47:30,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:47:30,276 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:47:30,276 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:47:30,289 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:47:30,294 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:30" (1/1) ... [2022-10-17 16:47:30,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:47:30,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:30,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2022-10-17 16:47:30,392 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-10-17 16:47:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:30,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:30,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:30,558 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 16:47:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 67 states and 82 transitions. [2022-10-17 16:47:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2022-10-17 16:47:30,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:30,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:30,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:30,811 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 16:47:30,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:30,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 66 states and 81 transitions. [2022-10-17 16:47:30,849 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions. [2022-10-17 16:47:30,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:30,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:30,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:31,041 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 16:47:31,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 65 states and 80 transitions. [2022-10-17 16:47:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2022-10-17 16:47:31,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:47:31,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:31,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:31,187 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 16:47:31,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 78 transitions. [2022-10-17 16:47:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2022-10-17 16:47:31,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:47:31,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:31,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:31,355 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 16:47:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 74 states and 92 transitions. [2022-10-17 16:47:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2022-10-17 16:47:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:47:31,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:31,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:31,685 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 16:47:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 79 states and 101 transitions. [2022-10-17 16:47:31,991 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2022-10-17 16:47:31,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:47:31,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:31,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:32,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 79 states and 99 transitions. [2022-10-17 16:47:32,398 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 99 transitions. [2022-10-17 16:47:32,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:47:32,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:32,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 83 states and 106 transitions. [2022-10-17 16:47:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2022-10-17 16:47:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:47:33,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:33,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:33,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:33,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 85 states and 107 transitions. [2022-10-17 16:47:33,686 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2022-10-17 16:47:33,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:47:33,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:33,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:47:34,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:34,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 77 states and 95 transitions. [2022-10-17 16:47:34,403 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 95 transitions. [2022-10-17 16:47:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:47:34,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:34,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:37,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 80 states and 100 transitions. [2022-10-17 16:47:37,933 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2022-10-17 16:47:37,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:37,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:37,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:47:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:39,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 85 states and 110 transitions. [2022-10-17 16:47:39,621 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-10-17 16:47:39,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:39,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:39,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:47:42,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:42,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 90 states and 122 transitions. [2022-10-17 16:47:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2022-10-17 16:47:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:47:42,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:42,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:47:45,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 94 states and 128 transitions. [2022-10-17 16:47:45,407 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2022-10-17 16:47:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:47:45,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:45,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:47:45,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:45,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 94 states and 127 transitions. [2022-10-17 16:47:45,457 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 127 transitions. [2022-10-17 16:47:45,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:47:45,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:45,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:50,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 99 states and 136 transitions. [2022-10-17 16:47:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 136 transitions. [2022-10-17 16:47:50,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:47:50,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:59,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 106 states and 158 transitions. [2022-10-17 16:47:59,396 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 158 transitions. [2022-10-17 16:47:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:47:59,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:59,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.