./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0739bef7461b62f52995e3feabe5faf9fb4f95fee3f2cf661c4248d2611e75f6 --- 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-6b4ec56 [2022-11-20 17:22:11,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:22:11,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:22:11,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:22:11,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:22:11,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:22:11,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:22:11,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:22:11,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:22:11,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:22:11,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:22:11,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:22:11,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:22:11,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:22:11,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:22:11,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:22:11,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:22:11,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:22:11,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:22:11,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:22:11,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:22:11,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:22:11,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:22:11,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:22:11,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:22:11,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:22:11,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:22:11,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:22:11,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:22:11,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:22:11,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:22:11,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:22:11,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:22:11,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:22:11,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:22:11,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:22:11,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:22:11,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:22:11,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:22:11,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:22:11,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:22:11,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:22:11,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:22:11,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:22:11,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:22:11,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:22:11,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:22:11,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:22:11,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:22:11,616 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:22:11,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:22:11,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:22:11,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:22:11,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:22:11,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:22:11,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:22:11,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:22:11,619 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:22:11,619 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:22:11,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:22:11,620 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:22:11,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:22:11,620 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:22:11,620 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:22:11,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:22:11,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:22:11,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:22:11,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:22:11,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:22:11,622 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:22:11,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:22:11,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:22:11,623 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_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0739bef7461b62f52995e3feabe5faf9fb4f95fee3f2cf661c4248d2611e75f6 [2022-11-20 17:22:11,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:22:11,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:22:11,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:22:11,957 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:22:11,958 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:22:11,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2022-11-20 17:22:15,059 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:22:15,363 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:22:15,363 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2022-11-20 17:22:15,386 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/data/0cf2db990/470cbfc7fb1d4372acf03fc817d32160/FLAGb09ee9bc8 [2022-11-20 17:22:15,406 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/data/0cf2db990/470cbfc7fb1d4372acf03fc817d32160 [2022-11-20 17:22:15,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:22:15,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:22:15,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:22:15,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:22:15,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:22:15,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:22:15" (1/1) ... [2022-11-20 17:22:15,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46193265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:15, skipping insertion in model container [2022-11-20 17:22:15,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:22:15" (1/1) ... [2022-11-20 17:22:15,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:22:15,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:22:15,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:22:15,989 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:22:16,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:22:16,101 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:22:16,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:16 WrapperNode [2022-11-20 17:22:16,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:22:16,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:22:16,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:22:16,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:22:16,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:16" (1/1) ... [2022-11-20 17:22:16,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:16" (1/1) ... [2022-11-20 17:22:16,166 INFO L138 Inliner]: procedures = 166, calls = 72, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 122 [2022-11-20 17:22:16,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:22:16,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:22:16,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:22:16,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:22:16,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:16" (1/1) ... [2022-11-20 17:22:16,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:16" (1/1) ... [2022-11-20 17:22:16,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:16" (1/1) ... [2022-11-20 17:22:16,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:16" (1/1) ... [2022-11-20 17:22:16,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:16" (1/1) ... [2022-11-20 17:22:16,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:16" (1/1) ... [2022-11-20 17:22:16,199 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:16" (1/1) ... [2022-11-20 17:22:16,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:16" (1/1) ... [2022-11-20 17:22:16,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:22:16,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:22:16,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:22:16,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:22:16,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:22:16" (1/1) ... [2022-11-20 17:22:16,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:22:16,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:22:16,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:22:16,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:22:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:22:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2022-11-20 17:22:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2022-11-20 17:22:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 17:22:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 17:22:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2022-11-20 17:22:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2022-11-20 17:22:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:22:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:22:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:22:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:22:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:22:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:22:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:22:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:22:16,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:22:16,463 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:22:16,465 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:22:16,792 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:22:16,923 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:22:16,924 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:22:16,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:22:16 BoogieIcfgContainer [2022-11-20 17:22:16,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:22:16,927 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:22:16,927 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:22:16,944 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:22:16,944 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:22:16" (1/1) ... [2022-11-20 17:22:16,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:22:17,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:17,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-11-20 17:22:17,027 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-20 17:22:17,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:22:17,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:17,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:17,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:17,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2022-11-20 17:22:17,583 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-11-20 17:22:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:22:17,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:17,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:17,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:18,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:18,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2022-11-20 17:22:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2022-11-20 17:22:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:22:18,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:18,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:18,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:18,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2022-11-20 17:22:18,484 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-11-20 17:22:18,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:22:18,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:18,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:18,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:18,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2022-11-20 17:22:18,853 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-11-20 17:22:18,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:22:18,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:18,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:19,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2022-11-20 17:22:19,336 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-11-20 17:22:19,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:22:19,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:19,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:19,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:20,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:20,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 41 states and 46 transitions. [2022-11-20 17:22:20,265 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-20 17:22:20,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:22:20,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:20,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:21,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 42 states and 47 transitions. [2022-11-20 17:22:21,315 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2022-11-20 17:22:21,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:22:21,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:21,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:22,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2022-11-20 17:22:22,458 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-11-20 17:22:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:22:22,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:22,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:22,808 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:23,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2022-11-20 17:22:23,628 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2022-11-20 17:22:23,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:22:23,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:23,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:24,013 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:24,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2022-11-20 17:22:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2022-11-20 17:22:24,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:22:24,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:24,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:26,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2022-11-20 17:22:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-11-20 17:22:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:22:26,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:26,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:27,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 47 states and 52 transitions. [2022-11-20 17:22:27,620 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2022-11-20 17:22:27,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:22:27,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:27,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:29,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 48 states and 53 transitions. [2022-11-20 17:22:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2022-11-20 17:22:29,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:22:29,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:29,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:30,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2022-11-20 17:22:30,813 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2022-11-20 17:22:30,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:22:30,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:30,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:32,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 50 states and 55 transitions. [2022-11-20 17:22:32,572 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2022-11-20 17:22:32,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:22:32,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:32,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:34,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 51 states and 56 transitions. [2022-11-20 17:22:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2022-11-20 17:22:34,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:22:34,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:34,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:35,014 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:36,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2022-11-20 17:22:36,310 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2022-11-20 17:22:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:22:36,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:36,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:36,971 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:38,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:38,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2022-11-20 17:22:38,294 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2022-11-20 17:22:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:22:38,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:38,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:39,038 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:40,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 54 states and 59 transitions. [2022-11-20 17:22:40,395 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2022-11-20 17:22:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:22:40,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:40,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:43,192 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:22:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2022-11-20 17:22:46,173 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2022-11-20 17:22:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:22:46,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:46,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:51,911 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:23:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:11,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 78 transitions. [2022-11-20 17:23:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2022-11-20 17:23:11,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:23:11,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:23:11,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:23:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:23:12,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:12,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 77 transitions. [2022-11-20 17:23:12,689 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2022-11-20 17:23:12,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 17:23:12,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:23:12,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:23:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:23:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:22,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 76 transitions. [2022-11-20 17:23:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-11-20 17:23:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:23:22,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:23:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:23:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:25,713 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-20 17:23:30,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:23:30,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 75 transitions. [2022-11-20 17:23:30,761 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2022-11-20 17:23:30,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:23:30,761 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2022-11-20 17:23:30,770 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:23:31,752 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:23:31,756 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:23:31,757 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:23:31,757 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-11-20 17:23:31,761 INFO L560 CodeCheckObserver]: Invariant with dag size 95 [2022-11-20 17:23:31,763 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 17:23:31,768 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 17:23:31,770 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:23:31,771 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:23:31,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:23:31 ImpRootNode [2022-11-20 17:23:31,771 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:23:31,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:23:31,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:23:31,773 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:23:31,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:22:16" (3/4) ... [2022-11-20 17:23:31,776 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:23:31,782 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-20 17:23:31,783 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2022-11-20 17:23:31,783 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2022-11-20 17:23:31,788 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-11-20 17:23:31,789 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 17:23:31,789 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:23:31,855 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:23:31,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:23:31,856 INFO L158 Benchmark]: Toolchain (without parser) took 76445.21ms. Allocated memory was 163.6MB in the beginning and 717.2MB in the end (delta: 553.6MB). Free memory was 117.0MB in the beginning and 596.6MB in the end (delta: -479.6MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2022-11-20 17:23:31,856 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:23:31,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.34ms. Allocated memory is still 163.6MB. Free memory was 116.5MB in the beginning and 95.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:23:31,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.76ms. Allocated memory is still 163.6MB. Free memory was 95.0MB in the beginning and 92.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:23:31,858 INFO L158 Benchmark]: Boogie Preprocessor took 36.26ms. Allocated memory is still 163.6MB. Free memory was 92.4MB in the beginning and 90.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:23:31,858 INFO L158 Benchmark]: RCFGBuilder took 722.27ms. Allocated memory is still 163.6MB. Free memory was 90.3MB in the beginning and 114.8MB in the end (delta: -24.5MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-11-20 17:23:31,858 INFO L158 Benchmark]: CodeCheck took 74844.56ms. Allocated memory was 163.6MB in the beginning and 717.2MB in the end (delta: 553.6MB). Free memory was 114.8MB in the beginning and 600.7MB in the end (delta: -486.0MB). Peak memory consumption was 352.9MB. Max. memory is 16.1GB. [2022-11-20 17:23:31,859 INFO L158 Benchmark]: Witness Printer took 83.11ms. Allocated memory is still 717.2MB. Free memory was 600.7MB in the beginning and 596.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:23:31,861 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 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 73.8s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1033 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 228 mSDsluCounter, 501 SdHoareTripleChecker+Invalid, 9.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 110 mSDsCounter, 2073 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3489 IncrementalHoareTripleChecker+Invalid, 5562 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2073 mSolverCounterUnsat, 391 mSDtfsCounter, 3489 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4200 GetRequests, 3630 SyntacticMatches, 152 SemanticMatches, 418 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73736 ImplicationChecksByTransitivity, 60.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 586 NumberOfCodeBlocks, 586 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 562 ConstructedInterpolants, 0 QuantifiedInterpolants, 3596 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 6 PerfectInterpolantSequences, 154/1224 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: (kobj + 12 == v && v == kobj) || !(1 == i && temp == 1) - InvariantResult [Line: -1]: Loop Invariant [2022-11-20 17:23:31,871 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 17:23:31,873 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled Derived loop invariant: (((((((((((((((((3 <= aux-#t~loopctr40-aux && unknown-#amount-unknown / 4294967296 <= 0) && aux-#t~loopctr40-aux + 13 <= unknown-#amount-unknown) && !(0 == kobj && kobj == 0)) || (((5 <= aux-#t~loopctr40-aux && unknown-#amount-unknown / 4294967296 <= 0) && aux-#t~loopctr40-aux + 11 <= unknown-#amount-unknown) && !(0 == kobj && kobj == 0))) || (((aux-#t~loopctr40-aux <= 11 && aux-#t~loopctr40-aux + 5 <= unknown-#amount-unknown) && 11 <= aux-#t~loopctr40-aux) && !(0 == kobj && kobj == 0))) || ((13 <= aux-#t~loopctr40-aux && unknown-#amount-unknown / 4294967296 <= 0) && !(0 == kobj && kobj == 0))) || (((16 <= unknown-#amount-unknown && #Ultimate.C_memset_#ptr#1 == kobj) && unknown-#amount-unknown <= 16) && !(0 == kobj && kobj == 0))) || (((unknown-#amount-unknown / 4294967296 <= 0 && 4 <= aux-#t~loopctr40-aux) && !(0 == kobj && kobj == 0)) && aux-#t~loopctr40-aux + 12 <= unknown-#amount-unknown)) || (((aux-#t~loopctr40-aux + 10 <= unknown-#amount-unknown && unknown-#amount-unknown / 4294967296 <= 0) && !(0 == kobj && kobj == 0)) && 6 <= aux-#t~loopctr40-aux)) || (!(unknown-#amount-unknown / 4294967296 <= aux-#t~loopctr40-aux / 4294967296) && !(0 == kobj && kobj == 0))) || (((aux-#t~loopctr40-aux <= 7 && 7 <= aux-#t~loopctr40-aux) && aux-#t~loopctr40-aux + 9 <= unknown-#amount-unknown) && !(0 == kobj && kobj == 0))) || (((unknown-#amount-unknown / 4294967296 <= 0 && aux-#t~loopctr40-aux + 14 <= unknown-#amount-unknown) && !(0 == kobj && kobj == 0)) && 2 <= aux-#t~loopctr40-aux)) || (!(0 == kobj && kobj == 0) && !(aux-#t~loopctr40-aux + 3 <= unknown-#amount-unknown))) || (((10 <= aux-#t~loopctr40-aux && !(0 == kobj && kobj == 0)) && aux-#t~loopctr40-aux <= 10) && aux-#t~loopctr40-aux + 6 <= unknown-#amount-unknown)) || (((unknown-#amount-unknown / 4294967296 <= 0 && aux-#t~loopctr40-aux + 15 <= unknown-#amount-unknown) && !(0 == kobj && kobj == 0)) && 1 <= aux-#t~loopctr40-aux)) || (((aux-#t~loopctr40-aux + 4 <= unknown-#amount-unknown && unknown-#amount-unknown / 4294967296 <= 0) && 12 <= aux-#t~loopctr40-aux) && !(0 == kobj && kobj == 0))) || (((unknown-#amount-unknown / 4294967296 <= 0 && 9 <= aux-#t~loopctr40-aux) && !(0 == kobj && kobj == 0)) && aux-#t~loopctr40-aux + 7 <= unknown-#amount-unknown)) || (((unknown-#amount-unknown / 4294967296 <= 0 && 8 <= aux-#t~loopctr40-aux) && !(0 == kobj && kobj == 0)) && aux-#t~loopctr40-aux + 8 <= unknown-#amount-unknown) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.34ms. Allocated memory is still 163.6MB. Free memory was 116.5MB in the beginning and 95.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.76ms. Allocated memory is still 163.6MB. Free memory was 95.0MB in the beginning and 92.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.26ms. Allocated memory is still 163.6MB. Free memory was 92.4MB in the beginning and 90.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 722.27ms. Allocated memory is still 163.6MB. Free memory was 90.3MB in the beginning and 114.8MB in the end (delta: -24.5MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * CodeCheck took 74844.56ms. Allocated memory was 163.6MB in the beginning and 717.2MB in the end (delta: 553.6MB). Free memory was 114.8MB in the beginning and 600.7MB in the end (delta: -486.0MB). Peak memory consumption was 352.9MB. Max. memory is 16.1GB. * Witness Printer took 83.11ms. Allocated memory is still 717.2MB. Free memory was 600.7MB in the beginning and 596.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled RESULT: Ultimate proved your program to be correct! [2022-11-20 17:23:31,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34ad0b58-ccf8-4451-a920-3a3b846fd08c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE