./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/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_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/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_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/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 db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 --- 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 [2022-11-21 22:32:11,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:32:11,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:32:11,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:32:11,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:32:11,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:32:11,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:32:11,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:32:11,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:32:12,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:32:12,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:32:12,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:32:12,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:32:12,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:32:12,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:32:12,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:32:12,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:32:12,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:32:12,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:32:12,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:32:12,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:32:12,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:32:12,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:32:12,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:32:12,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:32:12,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:32:12,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:32:12,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:32:12,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:32:12,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:32:12,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:32:12,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:32:12,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:32:12,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:32:12,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:32:12,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:32:12,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:32:12,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:32:12,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:32:12,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:32:12,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:32:12,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:32:12,104 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:32:12,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:32:12,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:32:12,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:32:12,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:32:12,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:32:12,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:32:12,108 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:32:12,108 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:32:12,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:32:12,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:32:12,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:32:12,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:32:12,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:32:12,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:32:12,111 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:32:12,111 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:32:12,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:32:12,111 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:32:12,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:32:12,112 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:32:12,112 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:32:12,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:32:12,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:32:12,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:32:12,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:32:12,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:32:12,114 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:32:12,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:32:12,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:32:12,115 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_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 [2022-11-21 22:32:12,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:32:12,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:32:12,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:32:12,469 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:32:12,470 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:32:12,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2022-11-21 22:32:15,900 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:32:16,392 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:32:16,393 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2022-11-21 22:32:16,421 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/bin/ukojak-jW3SillKbg/data/43ae90b1b/4c96c1031cba4a878da05292748e3c60/FLAG1ba6b0caf [2022-11-21 22:32:16,444 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/bin/ukojak-jW3SillKbg/data/43ae90b1b/4c96c1031cba4a878da05292748e3c60 [2022-11-21 22:32:16,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:32:16,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:32:16,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:32:16,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:32:16,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:32:16,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:32:16" (1/1) ... [2022-11-21 22:32:16,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ae5538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:16, skipping insertion in model container [2022-11-21 22:32:16,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:32:16" (1/1) ... [2022-11-21 22:32:16,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:32:16,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:32:16,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:32:16,997 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:32:17,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:32:17,140 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:32:17,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:17 WrapperNode [2022-11-21 22:32:17,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:32:17,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:32:17,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:32:17,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:32:17,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:17" (1/1) ... [2022-11-21 22:32:17,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:17" (1/1) ... [2022-11-21 22:32:17,228 INFO L138 Inliner]: procedures = 125, calls = 95, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 288 [2022-11-21 22:32:17,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:32:17,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:32:17,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:32:17,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:32:17,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:17" (1/1) ... [2022-11-21 22:32:17,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:17" (1/1) ... [2022-11-21 22:32:17,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:17" (1/1) ... [2022-11-21 22:32:17,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:17" (1/1) ... [2022-11-21 22:32:17,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:17" (1/1) ... [2022-11-21 22:32:17,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:17" (1/1) ... [2022-11-21 22:32:17,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:17" (1/1) ... [2022-11-21 22:32:17,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:17" (1/1) ... [2022-11-21 22:32:17,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:32:17,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:32:17,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:32:17,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:32:17,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:17" (1/1) ... [2022-11-21 22:32:17,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:32:17,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:32:17,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:32:17,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:32:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:32:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:32:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 22:32:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:32:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 22:32:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 22:32:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:32:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:32:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:32:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:32:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure append [2022-11-21 22:32:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2022-11-21 22:32:17,583 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:32:17,587 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:32:18,346 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:32:18,800 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:32:18,800 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-21 22:32:18,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:32:18 BoogieIcfgContainer [2022-11-21 22:32:18,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:32:18,804 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:32:18,805 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:32:18,815 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:32:18,815 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:32:18" (1/1) ... [2022-11-21 22:32:18,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:32:18,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2022-11-21 22:32:18,898 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2022-11-21 22:32:18,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 22:32:18,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:18,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:20,005 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-21 22:32:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:20,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2022-11-21 22:32:20,218 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2022-11-21 22:32:20,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-21 22:32:20,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:20,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-21 22:32:22,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:22,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2022-11-21 22:32:22,446 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2022-11-21 22:32:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-21 22:32:22,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:22,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-21 22:32:24,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:24,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2022-11-21 22:32:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2022-11-21 22:32:24,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-21 22:32:24,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:24,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-11-21 22:32:25,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2022-11-21 22:32:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2022-11-21 22:32:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-21 22:32:25,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:25,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-21 22:32:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2022-11-21 22:32:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2022-11-21 22:32:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-21 22:32:27,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:27,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:28,279 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-11-21 22:32:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:28,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions. [2022-11-21 22:32:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2022-11-21 22:32:28,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-21 22:32:28,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:28,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-21 22:32:29,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2022-11-21 22:32:29,833 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2022-11-21 22:32:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-21 22:32:29,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:29,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:31,305 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-21 22:32:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:31,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2022-11-21 22:32:31,366 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2022-11-21 22:32:31,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-21 22:32:31,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:31,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:32,707 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-21 22:32:32,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:32,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2022-11-21 22:32:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2022-11-21 22:32:32,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-21 22:32:32,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:32,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:33,872 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-11-21 22:32:33,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:33,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2022-11-21 22:32:33,958 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2022-11-21 22:32:33,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-21 22:32:33,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:33,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-21 22:32:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2022-11-21 22:32:35,883 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2022-11-21 22:32:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-21 22:32:35,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:35,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:37,816 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-21 22:32:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 59 states and 84 transitions. [2022-11-21 22:32:38,119 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-11-21 22:32:38,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-21 22:32:38,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:38,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:40,279 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-21 22:32:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2022-11-21 22:32:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2022-11-21 22:32:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-21 22:32:40,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:40,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:42,853 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-21 22:32:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2022-11-21 22:32:43,224 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2022-11-21 22:32:43,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-21 22:32:43,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:43,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:44,766 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-21 22:32:45,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:45,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2022-11-21 22:32:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-11-21 22:32:45,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:32:45,030 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2022-11-21 22:32:45,039 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:32:45,171 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-21 22:32:45,186 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:32:45,186 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:32:45,187 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:32:45,187 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:32:45,187 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:32:45,187 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:32:45,188 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:32:45,188 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:32:45,188 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-21 22:32:45,189 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:32:45,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:32:45 ImpRootNode [2022-11-21 22:32:45,191 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:32:45,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:32:45,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:32:45,193 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:32:45,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:32:18" (3/4) ... [2022-11-21 22:32:45,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:32:45,225 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2022-11-21 22:32:45,241 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-21 22:32:45,245 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-21 22:32:45,247 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:32:45,247 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:32:45,364 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:32:45,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:32:45,366 INFO L158 Benchmark]: Toolchain (without parser) took 28912.64ms. Allocated memory was 163.6MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 130.4MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-21 22:32:45,366 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 119.5MB. Free memory was 62.6MB in the beginning and 62.4MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:32:45,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.17ms. Allocated memory is still 163.6MB. Free memory was 130.4MB in the beginning and 111.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:32:45,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.75ms. Allocated memory is still 163.6MB. Free memory was 111.7MB in the beginning and 108.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:32:45,367 INFO L158 Benchmark]: Boogie Preprocessor took 99.97ms. Allocated memory is still 163.6MB. Free memory was 108.8MB in the beginning and 106.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:32:45,368 INFO L158 Benchmark]: RCFGBuilder took 1471.16ms. Allocated memory is still 163.6MB. Free memory was 106.1MB in the beginning and 93.8MB in the end (delta: 12.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-21 22:32:45,368 INFO L158 Benchmark]: CodeCheck took 26386.61ms. Allocated memory was 163.6MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 93.8MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-21 22:32:45,369 INFO L158 Benchmark]: Witness Printer took 173.00ms. Allocated memory is still 3.8GB. Free memory was 2.5GB in the beginning and 2.5GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 22:32:45,371 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, 49 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 26.2s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2309 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 834 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 381 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1024 IncrementalHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 381 mSolverCounterUnsat, 834 mSDtfsCounter, 1024 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5868 GetRequests, 5794 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2042 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.8s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 1096 NumberOfCodeBlocks, 1096 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1081 ConstructedInterpolants, 0 QuantifiedInterpolants, 1229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 3155/3236 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: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: 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 4 specifications checked. All of them hold - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 1 <= counter || counter == 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 1 <= counter || counter == 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 119.5MB. Free memory was 62.6MB in the beginning and 62.4MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 684.17ms. Allocated memory is still 163.6MB. Free memory was 130.4MB in the beginning and 111.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.75ms. Allocated memory is still 163.6MB. Free memory was 111.7MB in the beginning and 108.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.97ms. Allocated memory is still 163.6MB. Free memory was 108.8MB in the beginning and 106.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1471.16ms. Allocated memory is still 163.6MB. Free memory was 106.1MB in the beginning and 93.8MB in the end (delta: 12.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * CodeCheck took 26386.61ms. Allocated memory was 163.6MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 93.8MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 173.00ms. Allocated memory is still 3.8GB. Free memory was 2.5GB in the beginning and 2.5GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:32:45,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f62db9-07a3-4b23-bac1-3c2cdc973bcf/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