./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk --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 8d477dcc38abb71f88978d460e8393ef9ba09f24c134f3de362c4df2a3599c9a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:10:13,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:10:13,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 22:10:13,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:10:13,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:10:13,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:10:13,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:10:13,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:10:13,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:10:13,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:10:13,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:10:13,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:10:13,406 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:10:13,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:10:13,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:10:13,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:10:13,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:10:13,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:10:13,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:10:13,413 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:10:13,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:10:13,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:10:13,414 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:10:13,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:10:13,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:10:13,418 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:10:13,418 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:10:13,418 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:10:13,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:10:13,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:10:13,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:10:13,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:10:13,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:10:13,421 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:10:13,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:10:13,422 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_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d477dcc38abb71f88978d460e8393ef9ba09f24c134f3de362c4df2a3599c9a [2024-11-08 22:10:13,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:10:13,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:10:13,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:10:13,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:10:13,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:10:13,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i Unable to find full path for "g++" [2024-11-08 22:10:15,879 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:10:16,173 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:10:16,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2024-11-08 22:10:16,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/data/7bd661a8e/3f916737c61b45e79e5f79a63d4c0731/FLAGd772b2bc6 [2024-11-08 22:10:16,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/data/7bd661a8e/3f916737c61b45e79e5f79a63d4c0731 [2024-11-08 22:10:16,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:10:16,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:10:16,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:10:16,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:10:16,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:10:16,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:16,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c64f443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16, skipping insertion in model container [2024-11-08 22:10:16,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:16,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:10:16,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:10:16,772 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:10:16,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:10:16,916 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:10:16,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16 WrapperNode [2024-11-08 22:10:16,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:10:16,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:10:16,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:10:16,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:10:16,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:16,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:16,991 INFO L138 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 89 [2024-11-08 22:10:16,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:10:16,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:10:16,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:10:16,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:10:17,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:17,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:17,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:17,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:17,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:17,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:17,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:17,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:17,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:10:17,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:10:17,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:10:17,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:10:17,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:10:16" (1/1) ... [2024-11-08 22:10:17,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:10:17,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:10:17,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:10:17,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:10:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:10:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:10:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:10:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 22:10:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 22:10:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:10:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:10:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:10:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:10:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure append [2024-11-08 22:10:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2024-11-08 22:10:17,292 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:10:17,295 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:10:17,695 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-08 22:10:17,696 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:10:17,816 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:10:17,817 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:10:17,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:10:17 BoogieIcfgContainer [2024-11-08 22:10:17,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:10:17,819 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:10:17,820 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:10:17,832 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:10:17,833 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:10:17" (1/1) ... [2024-11-08 22:10:17,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:10:17,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:17,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-08 22:10:17,936 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-08 22:10:17,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:10:17,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:17,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:10:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-08 22:10:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 22:10:18,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:10:18,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:18,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:19,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:10:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2024-11-08 22:10:19,157 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-11-08 22:10:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:10:19,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:19,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:10:19,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:19,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2024-11-08 22:10:19,441 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2024-11-08 22:10:19,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:10:19,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:19,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:19,926 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:10:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2024-11-08 22:10:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2024-11-08 22:10:20,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:10:20,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:20,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:10:20,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:20,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2024-11-08 22:10:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2024-11-08 22:10:20,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:10:20,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:20,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:10:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:21,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 49 transitions. [2024-11-08 22:10:21,129 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2024-11-08 22:10:21,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:10:21,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:21,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:10:21,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 40 transitions. [2024-11-08 22:10:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2024-11-08 22:10:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:10:21,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:21,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:22,061 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 22:10:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:22,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 44 transitions. [2024-11-08 22:10:22,141 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-11-08 22:10:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:10:22,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:22,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:22,475 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 22:10:22,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:22,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 45 transitions. [2024-11-08 22:10:22,502 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2024-11-08 22:10:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:10:22,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:22,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 22:10:23,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:23,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 52 transitions. [2024-11-08 22:10:23,331 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2024-11-08 22:10:23,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:10:23,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:23,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:23,960 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:10:24,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:24,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 59 transitions. [2024-11-08 22:10:24,483 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2024-11-08 22:10:24,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 22:10:24,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:24,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-08 22:10:25,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 66 transitions. [2024-11-08 22:10:25,868 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2024-11-08 22:10:25,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 22:10:25,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:25,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-08 22:10:27,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 72 transitions. [2024-11-08 22:10:27,276 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2024-11-08 22:10:27,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 22:10:27,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:27,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-08 22:10:28,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 76 transitions. [2024-11-08 22:10:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2024-11-08 22:10:28,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 22:10:28,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:28,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-08 22:10:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 74 transitions. [2024-11-08 22:10:28,816 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2024-11-08 22:10:28,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-08 22:10:28,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:28,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-08 22:10:29,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:29,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 68 transitions. [2024-11-08 22:10:29,479 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2024-11-08 22:10:29,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:10:29,480 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2024-11-08 22:10:29,489 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 22:10:29,762 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 591) no Hoare annotation was computed. [2024-11-08 22:10:29,764 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 578) the Hoare annotation is: true [2024-11-08 22:10:29,764 INFO L77 FloydHoareUtils]: At program point L573-1(lines 573 576) the Hoare annotation is: true [2024-11-08 22:10:29,765 INFO L77 FloydHoareUtils]: At program point L573-3(lines 573 576) the Hoare annotation is: true [2024-11-08 22:10:29,765 INFO L77 FloydHoareUtils]: At program point L573-4(lines 573 576) the Hoare annotation is: true [2024-11-08 22:10:29,765 INFO L77 FloydHoareUtils]: At program point L578-1(lines 578 581) the Hoare annotation is: (<= |ULTIMATE.start_main_~c~0#1| 5) [2024-11-08 22:10:29,765 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 578) the Hoare annotation is: true [2024-11-08 22:10:29,766 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:10:29,766 INFO L77 FloydHoareUtils]: At program point L578-3(line 578) the Hoare annotation is: true [2024-11-08 22:10:29,766 INFO L77 FloydHoareUtils]: At program point L578-4(line 578) the Hoare annotation is: true [2024-11-08 22:10:29,766 INFO L77 FloydHoareUtils]: At program point L578-5(lines 578 581) the Hoare annotation is: true [2024-11-08 22:10:29,766 INFO L77 FloydHoareUtils]: At program point L578-6(lines 578 581) the Hoare annotation is: true [2024-11-08 22:10:29,767 INFO L77 FloydHoareUtils]: At program point L591-1(lines 591 595) the Hoare annotation is: (or (= |ULTIMATE.start_main_~c~0#1| 0) (and (<= |ULTIMATE.start_main_~c~0#1| 4) (<= 1 |ULTIMATE.start_main_~c~0#1|))) [2024-11-08 22:10:29,767 INFO L77 FloydHoareUtils]: At program point L591-3(line 591) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_#t~post21#1| 4) (<= 1 |ULTIMATE.start_main_#t~post21#1|)) (= 0 |ULTIMATE.start_main_#t~post21#1|)) [2024-11-08 22:10:29,767 INFO L77 FloydHoareUtils]: At program point L591-4(line 591) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_#t~post21#1| 4) (<= 1 |ULTIMATE.start_main_#t~post21#1|)) (= 0 |ULTIMATE.start_main_#t~post21#1|)) [2024-11-08 22:10:29,767 INFO L77 FloydHoareUtils]: At program point L591-5(lines 591 595) the Hoare annotation is: (not (and (< |ULTIMATE.start_main_~c~0#1| 1) (not (= |ULTIMATE.start_main_~c~0#1| 0)))) [2024-11-08 22:10:29,768 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:10:29,768 INFO L77 FloydHoareUtils]: At program point L591-6(lines 591 595) the Hoare annotation is: true [2024-11-08 22:10:29,768 INFO L77 FloydHoareUtils]: At program point L575(line 575) the Hoare annotation is: true [2024-11-08 22:10:29,768 INFO L77 FloydHoareUtils]: At program point L575-1(line 575) the Hoare annotation is: true [2024-11-08 22:10:29,768 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 591) no Hoare annotation was computed. [2024-11-08 22:10:29,769 INFO L77 FloydHoareUtils]: At program point L584-1(lines 584 588) the Hoare annotation is: true [2024-11-08 22:10:29,769 INFO L77 FloydHoareUtils]: At program point L584-3(lines 584 588) the Hoare annotation is: true [2024-11-08 22:10:29,769 INFO L77 FloydHoareUtils]: At program point L580(line 580) the Hoare annotation is: (<= |ULTIMATE.start_main_~c~0#1| 5) [2024-11-08 22:10:29,769 INFO L77 FloydHoareUtils]: At program point L584-4(lines 584 588) the Hoare annotation is: true [2024-11-08 22:10:29,769 INFO L77 FloydHoareUtils]: At program point L580-1(line 580) the Hoare annotation is: true [2024-11-08 22:10:29,770 INFO L77 FloydHoareUtils]: At program point appendEXIT(lines 550 564) the Hoare annotation is: true [2024-11-08 22:10:29,770 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 550 564) the Hoare annotation is: true [2024-11-08 22:10:29,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:10:29 ImpRootNode [2024-11-08 22:10:29,793 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:10:29,793 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:10:29,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:10:29,794 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:10:29,794 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:10:17" (3/4) ... [2024-11-08 22:10:29,797 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:10:29,801 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2024-11-08 22:10:29,805 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 22:10:29,805 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 22:10:29,805 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:10:29,806 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:10:29,906 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:10:29,906 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:10:29,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:10:29,907 INFO L158 Benchmark]: Toolchain (without parser) took 13694.67ms. Allocated memory was 161.5MB in the beginning and 360.7MB in the end (delta: 199.2MB). Free memory was 127.7MB in the beginning and 307.0MB in the end (delta: -179.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-08 22:10:29,908 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 89.9MB in the beginning and 89.8MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:10:29,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 700.79ms. Allocated memory is still 161.5MB. Free memory was 127.7MB in the beginning and 118.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:10:29,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.22ms. Allocated memory is still 161.5MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:10:29,909 INFO L158 Benchmark]: Boogie Preprocessor took 67.96ms. Allocated memory is still 161.5MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:10:29,910 INFO L158 Benchmark]: RCFGBuilder took 757.26ms. Allocated memory is still 161.5MB. Free memory was 114.5MB in the beginning and 90.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 22:10:29,910 INFO L158 Benchmark]: CodeCheck took 11973.60ms. Allocated memory was 161.5MB in the beginning and 360.7MB in the end (delta: 199.2MB). Free memory was 90.4MB in the beginning and 312.3MB in the end (delta: -221.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:10:29,910 INFO L158 Benchmark]: Witness Printer took 113.45ms. Allocated memory is still 360.7MB. Free memory was 312.3MB in the beginning and 307.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:10:29,912 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, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1241 SdHoareTripleChecker+Valid, 7.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 399 mSDsluCounter, 579 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 679 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1962 IncrementalHoareTripleChecker+Invalid, 2641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 679 mSolverCounterUnsat, 579 mSDtfsCounter, 1962 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3667 GetRequests, 3503 SyntacticMatches, 78 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3668 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 599 NumberOfCodeBlocks, 599 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 583 ConstructedInterpolants, 0 QuantifiedInterpolants, 917 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 570/731 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: 578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 591]: 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: 591]: Loop Invariant Derived loop invariant: !((c < 1) && (c != 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 89.9MB in the beginning and 89.8MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 700.79ms. Allocated memory is still 161.5MB. Free memory was 127.7MB in the beginning and 118.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.22ms. Allocated memory is still 161.5MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.96ms. Allocated memory is still 161.5MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 757.26ms. Allocated memory is still 161.5MB. Free memory was 114.5MB in the beginning and 90.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 11973.60ms. Allocated memory was 161.5MB in the beginning and 360.7MB in the end (delta: 199.2MB). Free memory was 90.4MB in the beginning and 312.3MB in the end (delta: -221.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 113.45ms. Allocated memory is still 360.7MB. Free memory was 312.3MB in the beginning and 307.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:10:29,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ab8ecf-6306-491d-a5e4-79437aa99b0e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE