./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg --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 4fecbd384f63aa34e01807a3a6735a322a2435f1312f0df3ed763fde7f43fe0a --- 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-b5237d8 [2022-11-22 00:05:15,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:05:15,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:05:15,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:05:15,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:05:15,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:05:15,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:05:15,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:05:15,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:05:15,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:05:15,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:05:15,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:05:15,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:05:15,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:05:15,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:05:15,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:05:15,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:05:15,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:05:15,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:05:15,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:05:15,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:05:15,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:05:15,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:05:15,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:05:15,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:05:15,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:05:15,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:05:16,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:05:16,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:05:16,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:05:16,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:05:16,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:05:16,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:05:16,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:05:16,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:05:16,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:05:16,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:05:16,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:05:16,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:05:16,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:05:16,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:05:16,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-22 00:05:16,037 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:05:16,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:05:16,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:05:16,039 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-22 00:05:16,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 00:05:16,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 00:05:16,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:05:16,040 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:05:16,040 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:05:16,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:05:16,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:05:16,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:05:16,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:05:16,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:05:16,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:05:16,042 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:05:16,042 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:05:16,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:05:16,042 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:05:16,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:05:16,043 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-22 00:05:16,043 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-22 00:05:16,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:05:16,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:05:16,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:05:16,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:05:16,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:05:16,044 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-22 00:05:16,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:05:16,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:05:16,045 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_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fecbd384f63aa34e01807a3a6735a322a2435f1312f0df3ed763fde7f43fe0a [2022-11-22 00:05:16,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:05:16,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:05:16,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:05:16,339 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:05:16,340 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:05:16,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i [2022-11-22 00:05:19,442 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:05:19,740 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:05:19,743 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i [2022-11-22 00:05:19,762 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/data/26d9f5bc4/3da2e946099d44d4bb7459f83fa28693/FLAGa1a084c63 [2022-11-22 00:05:19,775 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/data/26d9f5bc4/3da2e946099d44d4bb7459f83fa28693 [2022-11-22 00:05:19,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:05:19,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:05:19,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:05:19,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:05:19,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:05:19,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:05:19" (1/1) ... [2022-11-22 00:05:19,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ffd6fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:19, skipping insertion in model container [2022-11-22 00:05:19,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:05:19" (1/1) ... [2022-11-22 00:05:19,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:05:19,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:05:20,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i[24436,24449] [2022-11-22 00:05:20,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:05:20,221 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:05:20,287 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i[24436,24449] [2022-11-22 00:05:20,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:05:20,311 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:05:20,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:20 WrapperNode [2022-11-22 00:05:20,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:05:20,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:05:20,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:05:20,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:05:20,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:20" (1/1) ... [2022-11-22 00:05:20,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:20" (1/1) ... [2022-11-22 00:05:20,357 INFO L138 Inliner]: procedures = 126, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 145 [2022-11-22 00:05:20,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:05:20,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:05:20,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:05:20,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:05:20,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:20" (1/1) ... [2022-11-22 00:05:20,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:20" (1/1) ... [2022-11-22 00:05:20,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:20" (1/1) ... [2022-11-22 00:05:20,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:20" (1/1) ... [2022-11-22 00:05:20,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:20" (1/1) ... [2022-11-22 00:05:20,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:20" (1/1) ... [2022-11-22 00:05:20,385 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:20" (1/1) ... [2022-11-22 00:05:20,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:20" (1/1) ... [2022-11-22 00:05:20,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:05:20,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:05:20,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:05:20,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:05:20,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:05:20" (1/1) ... [2022-11-22 00:05:20,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:05:20,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/z3 [2022-11-22 00:05:20,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-22 00:05:20,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-22 00:05:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:05:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:05:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-11-22 00:05:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-11-22 00:05:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:05:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:05:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:05:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:05:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:05:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:05:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:05:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:05:20,684 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:05:20,686 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:05:20,928 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:05:20,993 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:05:20,993 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-22 00:05:20,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:05:20 BoogieIcfgContainer [2022-11-22 00:05:20,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:05:20,997 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-22 00:05:20,997 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-22 00:05:21,008 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-22 00:05:21,009 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:05:20" (1/1) ... [2022-11-22 00:05:21,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:05:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2022-11-22 00:05:21,079 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2022-11-22 00:05:21,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 00:05:21,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:21,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:05:21,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:21,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 57 states and 67 transitions. [2022-11-22 00:05:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2022-11-22 00:05:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 00:05:21,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:21,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 00:05:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 60 states and 71 transitions. [2022-11-22 00:05:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2022-11-22 00:05:21,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 00:05:21,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:21,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 00:05:21,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 61 states and 72 transitions. [2022-11-22 00:05:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2022-11-22 00:05:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 00:05:22,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:22,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 68 states and 83 transitions. [2022-11-22 00:05:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2022-11-22 00:05:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 00:05:22,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:22,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:22,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:22,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 84 transitions. [2022-11-22 00:05:22,504 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2022-11-22 00:05:22,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 00:05:22,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:22,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:22,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:22,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:22,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 71 states and 88 transitions. [2022-11-22 00:05:22,586 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2022-11-22 00:05:22,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 00:05:22,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:22,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:22,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:22,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:22,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 91 transitions. [2022-11-22 00:05:22,820 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2022-11-22 00:05:22,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-22 00:05:22,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:22,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 00:05:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 68 transitions. [2022-11-22 00:05:23,079 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2022-11-22 00:05:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 00:05:23,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:23,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:23,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:23,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 58 states and 69 transitions. [2022-11-22 00:05:23,181 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2022-11-22 00:05:23,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 00:05:23,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:23,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:23,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:23,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 59 states and 71 transitions. [2022-11-22 00:05:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-11-22 00:05:23,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 00:05:23,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:23,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:23,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:23,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 73 transitions. [2022-11-22 00:05:23,746 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2022-11-22 00:05:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 00:05:23,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:23,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:24,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 78 transitions. [2022-11-22 00:05:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2022-11-22 00:05:24,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 00:05:24,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:24,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:24,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:24,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 83 transitions. [2022-11-22 00:05:24,350 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2022-11-22 00:05:24,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 00:05:24,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:24,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:24,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 82 transitions. [2022-11-22 00:05:24,551 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-11-22 00:05:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 00:05:24,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:24,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:25,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 67 states and 86 transitions. [2022-11-22 00:05:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2022-11-22 00:05:25,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 00:05:25,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:25,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:25,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:25,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 93 transitions. [2022-11-22 00:05:25,921 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2022-11-22 00:05:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 00:05:25,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:25,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:26,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 72 states and 94 transitions. [2022-11-22 00:05:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2022-11-22 00:05:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-22 00:05:26,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:26,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:26,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:26,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 75 states and 98 transitions. [2022-11-22 00:05:26,646 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2022-11-22 00:05:26,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-22 00:05:26,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:26,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:26,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:26,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 76 states and 98 transitions. [2022-11-22 00:05:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2022-11-22 00:05:26,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-22 00:05:26,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:26,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:27,310 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:28,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:28,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 82 states and 104 transitions. [2022-11-22 00:05:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2022-11-22 00:05:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-22 00:05:28,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:28,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:05:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 84 states and 108 transitions. [2022-11-22 00:05:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-11-22 00:05:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-22 00:05:28,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:28,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:28,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:05:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 85 states and 110 transitions. [2022-11-22 00:05:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-11-22 00:05:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-22 00:05:28,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:28,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:05:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 88 states and 116 transitions. [2022-11-22 00:05:29,546 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2022-11-22 00:05:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 00:05:29,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:29,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:05:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:29,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 89 states and 116 transitions. [2022-11-22 00:05:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2022-11-22 00:05:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 00:05:29,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:29,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:29,775 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 00:05:30,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:30,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 56 states and 65 transitions. [2022-11-22 00:05:30,228 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2022-11-22 00:05:30,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-22 00:05:30,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:30,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 00:05:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 59 states and 70 transitions. [2022-11-22 00:05:30,668 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2022-11-22 00:05:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-22 00:05:30,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:30,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 00:05:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:31,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 63 states and 75 transitions. [2022-11-22 00:05:31,093 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2022-11-22 00:05:31,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-22 00:05:31,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:31,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 00:05:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 62 states and 74 transitions. [2022-11-22 00:05:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2022-11-22 00:05:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-22 00:05:31,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:31,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 00:05:31,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 63 states and 74 transitions. [2022-11-22 00:05:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2022-11-22 00:05:31,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-22 00:05:31,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:31,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:31,840 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-22 00:05:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 69 states and 81 transitions. [2022-11-22 00:05:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2022-11-22 00:05:32,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-22 00:05:32,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:32,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-22 00:05:34,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:34,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 76 states and 91 transitions. [2022-11-22 00:05:34,165 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2022-11-22 00:05:34,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-22 00:05:34,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:05:34,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:05:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-22 00:05:36,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:05:36,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 51 states and 55 transitions. [2022-11-22 00:05:36,234 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-11-22 00:05:36,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:05:36,236 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2022-11-22 00:05:36,246 INFO L754 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2022-11-22 00:05:36,481 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:05:36,486 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:05:36,486 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:05:36,486 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:05:36,486 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:05:36,486 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:05:36,486 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:05:36,486 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:05:36,487 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:05:36,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 12:05:36 ImpRootNode [2022-11-22 00:05:36,488 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-22 00:05:36,489 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:05:36,489 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:05:36,489 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:05:36,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:05:20" (3/4) ... [2022-11-22 00:05:36,497 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:05:36,506 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2022-11-22 00:05:36,515 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-22 00:05:36,516 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-22 00:05:36,516 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 00:05:36,516 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:05:36,594 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-22 00:05:36,595 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:05:36,597 INFO L158 Benchmark]: Toolchain (without parser) took 16815.80ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 110.2MB in the beginning and 179.6MB in the end (delta: -69.5MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2022-11-22 00:05:36,598 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 88.7MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:05:36,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.86ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 92.5MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 00:05:36,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.34ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:05:36,599 INFO L158 Benchmark]: Boogie Preprocessor took 36.29ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 88.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:05:36,599 INFO L158 Benchmark]: RCFGBuilder took 600.63ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 68.2MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 00:05:36,600 INFO L158 Benchmark]: CodeCheck took 15490.94ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 68.2MB in the beginning and 183.8MB in the end (delta: -115.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:05:36,600 INFO L158 Benchmark]: Witness Printer took 106.38ms. Allocated memory is still 249.6MB. Free memory was 183.8MB in the beginning and 179.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:05:36,602 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 2 procedures, 56 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 15.2s, OverallIterations: 33, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3244 SdHoareTripleChecker+Valid, 11.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1671 mSDsluCounter, 1174 SdHoareTripleChecker+Invalid, 10.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 342 mSDsCounter, 1791 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7047 IncrementalHoareTripleChecker+Invalid, 8838 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1791 mSolverCounterUnsat, 832 mSDtfsCounter, 7047 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6134 GetRequests, 5882 SyntacticMatches, 48 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18085 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 873 NumberOfCodeBlocks, 873 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 841 ConstructedInterpolants, 0 QuantifiedInterpolants, 2157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 26 PerfectInterpolantSequences, 234/240 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: 590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 626]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 626]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 88.7MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.86ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 92.5MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.34ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.29ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 88.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.63ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 68.2MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 15490.94ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 68.2MB in the beginning and 183.8MB in the end (delta: -115.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 106.38ms. Allocated memory is still 249.6MB. Free memory was 183.8MB in the beginning and 179.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-22 00:05:36,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77df7169-40c5-4bdb-af16-23d4847ffb11/bin/ukojak-jW3SillKbg/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