./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/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_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:26:21,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:21,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:26:21,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:26:21,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:26:21,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:21,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:21,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:21,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:21,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:21,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:21,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:21,338 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:26:21,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:26:21,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:26:21,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:21,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:21,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:21,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:21,343 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:21,343 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:21,344 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:26:21,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:21,345 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:21,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:21,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:21,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:21,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:21,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:21,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:21,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:21,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:21,350 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:26:21,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:26:21,351 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:21,352 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_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 [2023-11-23 20:26:21,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:21,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:21,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:21,687 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:21,688 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:21,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2023-11-23 20:26:25,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:25,813 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:25,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2023-11-23 20:26:25,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/data/588f6ec85/093ef936a3b6448a8cccfba91684f93e/FLAG5183ee4da [2023-11-23 20:26:25,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/data/588f6ec85/093ef936a3b6448a8cccfba91684f93e [2023-11-23 20:26:25,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:25,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:25,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:25,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:25,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:25,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:25" (1/1) ... [2023-11-23 20:26:25,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69fb7ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:25, skipping insertion in model container [2023-11-23 20:26:25,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:25" (1/1) ... [2023-11-23 20:26:25,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:26,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:26,392 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:26,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:26,506 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:26,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:26 WrapperNode [2023-11-23 20:26:26,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:26,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:26,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:26,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:26,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:26" (1/1) ... [2023-11-23 20:26:26,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:26" (1/1) ... [2023-11-23 20:26:26,613 INFO L138 Inliner]: procedures = 125, calls = 95, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 299 [2023-11-23 20:26:26,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:26,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:26,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:26,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:26,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:26" (1/1) ... [2023-11-23 20:26:26,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:26" (1/1) ... [2023-11-23 20:26:26,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:26" (1/1) ... [2023-11-23 20:26:26,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:26" (1/1) ... [2023-11-23 20:26:26,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:26" (1/1) ... [2023-11-23 20:26:26,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:26" (1/1) ... [2023-11-23 20:26:26,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:26" (1/1) ... [2023-11-23 20:26:26,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:26" (1/1) ... [2023-11-23 20:26:26,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:26,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:26,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:26,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:26,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:26" (1/1) ... [2023-11-23 20:26:26,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:26,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:26,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:26,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:26:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:26:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:26:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:26:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:26:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:26:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:26:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:26:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure append [2023-11-23 20:26:26,807 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2023-11-23 20:26:26,980 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:26,983 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:27,512 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:27,985 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:26:27,986 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-23 20:26:27,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:27 BoogieIcfgContainer [2023-11-23 20:26:27,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:26:27,990 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:26:27,990 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:26:28,004 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:26:28,007 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:27" (1/1) ... [2023-11-23 20:26:28,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:26:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2023-11-23 20:26:28,118 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2023-11-23 20:26:28,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:26:28,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:28,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-23 20:26:29,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:29,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2023-11-23 20:26:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2023-11-23 20:26:29,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:26:29,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:29,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:31,500 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:26:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2023-11-23 20:26:31,602 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2023-11-23 20:26:31,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:26:31,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:31,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:26:33,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:33,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2023-11-23 20:26:33,009 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2023-11-23 20:26:33,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:26:33,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:33,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:34,302 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:26:34,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:34,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 81 transitions. [2023-11-23 20:26:34,425 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2023-11-23 20:26:34,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:26:34,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:34,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-23 20:26:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2023-11-23 20:26:35,478 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2023-11-23 20:26:35,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:26:35,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:35,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-23 20:26:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:36,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2023-11-23 20:26:36,349 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2023-11-23 20:26:36,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:26:36,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:36,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:26:37,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:37,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions. [2023-11-23 20:26:37,890 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2023-11-23 20:26:37,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:26:37,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:37,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:26:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-23 20:26:39,189 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-23 20:26:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:26:39,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:39,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:40,502 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-11-23 20:26:40,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-11-23 20:26:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-23 20:26:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:26:40,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:40,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:41,588 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-11-23 20:26:41,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:41,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2023-11-23 20:26:41,613 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-11-23 20:26:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 20:26:41,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:41,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-23 20:26:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:43,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2023-11-23 20:26:43,177 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2023-11-23 20:26:43,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 20:26:43,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:43,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:44,582 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-23 20:26:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:44,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 60 states and 85 transitions. [2023-11-23 20:26:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2023-11-23 20:26:44,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-23 20:26:44,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:44,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-23 20:26:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:46,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2023-11-23 20:26:46,795 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-23 20:26:46,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 20:26:46,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:46,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:48,495 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-23 20:26:48,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:48,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2023-11-23 20:26:48,803 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-11-23 20:26:48,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 20:26:48,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:48,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-23 20:26:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2023-11-23 20:26:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2023-11-23 20:26:50,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-23 20:26:50,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:50,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-11-23 20:26:51,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2023-11-23 20:26:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-11-23 20:26:51,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 20:26:51,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:51,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:52,279 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-23 20:26:52,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2023-11-23 20:26:52,382 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-23 20:26:52,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:26:52,384 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2023-11-23 20:26:52,393 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-23 20:26:52,508 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-23 20:26:52,515 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:26:52,516 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:26:52,516 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:26:52,516 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:26:52,516 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:26:52,517 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:26:52,517 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:26:52,517 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:26:52,517 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-23 20:26:52,518 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:26:52,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:26:52 ImpRootNode [2023-11-23 20:26:52,518 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:26:52,519 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:26:52,519 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:26:52,519 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:26:52,520 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:27" (3/4) ... [2023-11-23 20:26:52,521 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:26:52,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2023-11-23 20:26:52,534 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2023-11-23 20:26:52,535 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-23 20:26:52,536 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:26:52,537 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:26:52,684 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:26:52,685 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:26:52,685 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:26:52,686 INFO L158 Benchmark]: Toolchain (without parser) took 26825.13ms. Allocated memory was 169.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 122.3MB in the beginning and 832.3MB in the end (delta: -710.1MB). Peak memory consumption was 400.0MB. Max. memory is 16.1GB. [2023-11-23 20:26:52,686 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 63.4MB in the end (delta: 157.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:52,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.45ms. Allocated memory is still 169.9MB. Free memory was 122.3MB in the beginning and 103.3MB in the end (delta: 19.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:26:52,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.72ms. Allocated memory is still 169.9MB. Free memory was 103.3MB in the beginning and 100.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:52,687 INFO L158 Benchmark]: Boogie Preprocessor took 72.80ms. Allocated memory is still 169.9MB. Free memory was 100.6MB in the beginning and 97.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:52,688 INFO L158 Benchmark]: RCFGBuilder took 1300.24ms. Allocated memory is still 169.9MB. Free memory was 97.8MB in the beginning and 96.6MB in the end (delta: 1.2MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2023-11-23 20:26:52,688 INFO L158 Benchmark]: CodeCheck took 24528.70ms. Allocated memory was 169.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 96.6MB in the beginning and 841.7MB in the end (delta: -745.1MB). Peak memory consumption was 363.0MB. Max. memory is 16.1GB. [2023-11-23 20:26:52,689 INFO L158 Benchmark]: Witness Printer took 166.20ms. Allocated memory is still 1.3GB. Free memory was 841.7MB in the beginning and 832.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:26:52,691 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: 24.3s, 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, 9.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 159 mSDsluCounter, 902 SdHoareTripleChecker+Invalid, 8.4s 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, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6770 GetRequests, 6651 SyntacticMatches, 43 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2693 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.7s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 11.4s 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 0.38ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 63.4MB in the end (delta: 157.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.45ms. Allocated memory is still 169.9MB. Free memory was 122.3MB in the beginning and 103.3MB in the end (delta: 19.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.72ms. Allocated memory is still 169.9MB. Free memory was 103.3MB in the beginning and 100.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.80ms. Allocated memory is still 169.9MB. Free memory was 100.6MB in the beginning and 97.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1300.24ms. Allocated memory is still 169.9MB. Free memory was 97.8MB in the beginning and 96.6MB in the end (delta: 1.2MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * CodeCheck took 24528.70ms. Allocated memory was 169.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 96.6MB in the beginning and 841.7MB in the end (delta: -745.1MB). Peak memory consumption was 363.0MB. Max. memory is 16.1GB. * Witness Printer took 166.20ms. Allocated memory is still 1.3GB. Free memory was 841.7MB in the beginning and 832.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:26:52,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ddfb019-26ba-4679-a103-fa043eaa701f/bin/ukojak-verify-1t5iHCbJaC/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