./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 cf1a7837 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_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/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_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:22,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:22,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:50:22,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:50:22,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:50:22,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:22,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:22,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:22,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:22,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:22,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:22,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:22,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:50:22,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:50:22,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:50:22,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:22,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:22,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:22,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:22,662 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:50:22,663 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:50:22,663 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:50:22,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:22,664 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:22,665 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:22,666 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:22,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:22,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:22,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:22,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:22,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:22,670 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:50:22,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:50:22,671 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:22,671 INFO L153 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_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 [2023-11-11 23:50:23,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:23,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:23,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:23,094 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:23,095 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:23,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2023-11-11 23:50:26,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:26,437 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:26,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2023-11-11 23:50:26,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/data/d358c4f43/2eec016c6ff34daf995a90f5841e51be/FLAG86f3a14c0 [2023-11-11 23:50:26,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/data/d358c4f43/2eec016c6ff34daf995a90f5841e51be [2023-11-11 23:50:26,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:26,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:26,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:26,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:26,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:26,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:26" (1/1) ... [2023-11-11 23:50:26,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be8ce24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:26, skipping insertion in model container [2023-11-11 23:50:26,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:26" (1/1) ... [2023-11-11 23:50:26,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:26,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:26,911 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:27,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:27,055 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:27,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:27 WrapperNode [2023-11-11 23:50:27,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:27,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:27,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:27,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:27,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:27" (1/1) ... [2023-11-11 23:50:27,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:27" (1/1) ... [2023-11-11 23:50:27,135 INFO L138 Inliner]: procedures = 125, calls = 95, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 299 [2023-11-11 23:50:27,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:27,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:27,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:27,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:27,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:27" (1/1) ... [2023-11-11 23:50:27,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:27" (1/1) ... [2023-11-11 23:50:27,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:27" (1/1) ... [2023-11-11 23:50:27,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:27" (1/1) ... [2023-11-11 23:50:27,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:27" (1/1) ... [2023-11-11 23:50:27,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:27" (1/1) ... [2023-11-11 23:50:27,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:27" (1/1) ... [2023-11-11 23:50:27,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:27" (1/1) ... [2023-11-11 23:50:27,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:27,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:27,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:27,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:27,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:27" (1/1) ... [2023-11-11 23:50:27,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:27,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:27,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:27,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:27,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:50:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:50:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:50:27,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:50:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:50:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:50:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:50:27,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure append [2023-11-11 23:50:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2023-11-11 23:50:27,516 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:27,518 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:27,995 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:28,405 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:28,405 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-11 23:50:28,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:28 BoogieIcfgContainer [2023-11-11 23:50:28,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:28,409 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:28,409 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:28,418 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:28,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:28" (1/1) ... [2023-11-11 23:50:28,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:50:28,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2023-11-11 23:50:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2023-11-11 23:50:28,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:50:28,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:28,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-11 23:50:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:29,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2023-11-11 23:50:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2023-11-11 23:50:29,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-11 23:50:29,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:29,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-11 23:50:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2023-11-11 23:50:31,224 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2023-11-11 23:50:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-11 23:50:31,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:31,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-11 23:50:32,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2023-11-11 23:50:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2023-11-11 23:50:32,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-11 23:50:32,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:32,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:33,698 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-11 23:50:33,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:33,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 81 transitions. [2023-11-11 23:50:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2023-11-11 23:50:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-11 23:50:33,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:33,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:34,597 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-11 23:50:34,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:34,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2023-11-11 23:50:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2023-11-11 23:50:34,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-11 23:50:34,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:34,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-11 23:50:35,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:35,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2023-11-11 23:50:35,427 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2023-11-11 23:50:35,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-11 23:50:35,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:35,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-11 23:50:36,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:36,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions. [2023-11-11 23:50:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2023-11-11 23:50:36,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-11 23:50:36,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:36,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-11 23:50:37,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-11 23:50:37,554 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-11 23:50:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-11 23:50:37,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:37,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:38,442 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-11-11 23:50:38,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-11-11 23:50:38,492 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-11 23:50:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-11 23:50:38,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:38,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-11-11 23:50:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:39,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2023-11-11 23:50:39,572 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-11-11 23:50:39,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-11 23:50:39,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:39,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-11 23:50:40,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2023-11-11 23:50:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2023-11-11 23:50:40,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-11 23:50:40,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:40,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-11 23:50:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:42,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 60 states and 85 transitions. [2023-11-11 23:50:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2023-11-11 23:50:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-11 23:50:42,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:42,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-11 23:50:44,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2023-11-11 23:50:44,027 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-11 23:50:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-11 23:50:44,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:44,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-11 23:50:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:45,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2023-11-11 23:50:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-11-11 23:50:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-11 23:50:45,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:45,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-11 23:50:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2023-11-11 23:50:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2023-11-11 23:50:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-11 23:50:47,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:47,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-11-11 23:50:48,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:48,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2023-11-11 23:50:48,332 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-11-11 23:50:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-11 23:50:48,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:48,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-11 23:50:49,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2023-11-11 23:50:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-11 23:50:49,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:50:49,454 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2023-11-11 23:50:49,463 INFO L753 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-11 23:50:49,627 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-11 23:50:49,635 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:50:49,635 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:50:49,636 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:50:49,636 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:50:49,636 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:50:49,636 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:50:49,636 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:50:49,636 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:50:49,637 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-11 23:50:49,637 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:50:49,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:50:49 ImpRootNode [2023-11-11 23:50:49,639 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:50:49,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:50:49,645 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:50:49,646 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:50:49,647 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:28" (3/4) ... [2023-11-11 23:50:49,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:50:49,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2023-11-11 23:50:49,671 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2023-11-11 23:50:49,685 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-11 23:50:49,686 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:50:49,687 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:50:49,842 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:50:49,842 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:50:49,842 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:50:49,843 INFO L158 Benchmark]: Toolchain (without parser) took 23368.18ms. Allocated memory was 199.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 168.8MB in the beginning and 906.9MB in the end (delta: -738.2MB). Peak memory consumption was 574.2MB. Max. memory is 16.1GB. [2023-11-11 23:50:49,843 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:49,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.75ms. Allocated memory is still 199.2MB. Free memory was 168.6MB in the beginning and 153.3MB in the end (delta: 15.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-11 23:50:49,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.11ms. Allocated memory is still 199.2MB. Free memory was 153.3MB in the beginning and 150.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:49,844 INFO L158 Benchmark]: Boogie Preprocessor took 104.24ms. Allocated memory is still 199.2MB. Free memory was 150.2MB in the beginning and 166.5MB in the end (delta: -16.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:50:49,844 INFO L158 Benchmark]: RCFGBuilder took 1166.82ms. Allocated memory is still 199.2MB. Free memory was 166.5MB in the beginning and 147.8MB in the end (delta: 18.7MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2023-11-11 23:50:49,845 INFO L158 Benchmark]: CodeCheck took 21230.81ms. Allocated memory was 199.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 147.8MB in the beginning and 916.4MB in the end (delta: -768.6MB). Peak memory consumption was 544.2MB. Max. memory is 16.1GB. [2023-11-11 23:50:49,845 INFO L158 Benchmark]: Witness Printer took 202.05ms. Allocated memory is still 1.5GB. Free memory was 916.4MB in the beginning and 906.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:50:49,847 INFO L338 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: 21.0s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2656 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 159 mSDsluCounter, 902 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 528 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1406 IncrementalHoareTripleChecker+Invalid, 1934 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 528 mSolverCounterUnsat, 902 mSDtfsCounter, 1406 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6770 GetRequests, 6651 SyntacticMatches, 43 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2693 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 1266 NumberOfCodeBlocks, 1266 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1249 ConstructedInterpolants, 0 QuantifiedInterpolants, 1429 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 3674/3763 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: 624]: 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: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: ((1 <= counter) || (counter == 0)) - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.75ms. Allocated memory is still 199.2MB. Free memory was 168.6MB in the beginning and 153.3MB in the end (delta: 15.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.11ms. Allocated memory is still 199.2MB. Free memory was 153.3MB in the beginning and 150.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.24ms. Allocated memory is still 199.2MB. Free memory was 150.2MB in the beginning and 166.5MB in the end (delta: -16.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1166.82ms. Allocated memory is still 199.2MB. Free memory was 166.5MB in the beginning and 147.8MB in the end (delta: 18.7MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. * CodeCheck took 21230.81ms. Allocated memory was 199.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 147.8MB in the beginning and 916.4MB in the end (delta: -768.6MB). Peak memory consumption was 544.2MB. Max. memory is 16.1GB. * Witness Printer took 202.05ms. Allocated memory is still 1.5GB. Free memory was 916.4MB in the beginning and 906.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:50:49,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54281620-0143-4457-bdac-33040218c457/bin/ukojak-verify-0OAaufAVZV/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