./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL --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 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:12:11,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:12:11,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:12:11,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:12:11,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:12:11,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:12:11,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:12:11,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:12:11,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:12:11,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:12:11,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:12:11,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:12:11,438 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:12:11,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:12:11,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:12:11,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:12:11,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:12:11,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:12:11,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:12:11,442 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:12:11,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:12:11,443 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:12:11,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:12:11,445 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:12:11,446 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:12:11,446 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:12:11,447 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:12:11,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:12:11,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:11,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:12:11,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:12:11,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:12:11,451 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:12:11,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:12:11,451 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:12:11,452 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_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0 [2023-11-19 03:12:11,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:12:11,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:12:11,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:12:11,844 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:12:11,845 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:12:11,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2023-11-19 03:12:15,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:12:15,358 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:12:15,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2023-11-19 03:12:15,381 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/data/49dbda5f2/7d04d3525b0e4750a8c6f550a2681469/FLAG5c0c6ecec [2023-11-19 03:12:15,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/data/49dbda5f2/7d04d3525b0e4750a8c6f550a2681469 [2023-11-19 03:12:15,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:12:15,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:12:15,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:15,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:12:15,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:12:15,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:15,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c49e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15, skipping insertion in model container [2023-11-19 03:12:15,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:15,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:12:15,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:15,849 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:12:15,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:15,975 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:12:15,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15 WrapperNode [2023-11-19 03:12:15,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:15,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:15,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:12:15,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:12:15,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:16,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:16,055 INFO L138 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2023-11-19 03:12:16,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:16,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:12:16,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:12:16,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:12:16,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:16,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:16,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:16,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:16,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:16,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:16,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:16,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:16,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:12:16,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:12:16,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:12:16,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:12:16,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:15" (1/1) ... [2023-11-19 03:12:16,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:16,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:12:16,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:12:16,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:12:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:12:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:12:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:12:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:12:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure append [2023-11-19 03:12:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2023-11-19 03:12:16,303 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:12:16,305 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:12:16,668 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:12:16,820 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:12:16,827 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:12:16,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:16 BoogieIcfgContainer [2023-11-19 03:12:16,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:12:16,833 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:12:16,833 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:12:16,845 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:12:16,845 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:16" (1/1) ... [2023-11-19 03:12:16,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:12:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-19 03:12:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-19 03:12:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:12:16,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:16,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:17,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:12:17,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-11-19 03:12:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-19 03:12:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:12:17,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:17,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:12:17,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-11-19 03:12:17,968 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-19 03:12:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:12:17,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:17,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:18,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:12:18,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:18,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-11-19 03:12:18,318 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-19 03:12:18,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:12:18,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:18,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:12:18,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-19 03:12:18,634 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-19 03:12:18,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:12:18,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:18,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:12:18,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2023-11-19 03:12:18,993 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-19 03:12:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:12:18,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:18,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:19,302 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:12:19,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2023-11-19 03:12:19,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-19 03:12:19,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:12:19,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:19,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:19,710 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:12:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 39 transitions. [2023-11-19 03:12:19,902 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-19 03:12:19,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:12:19,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:19,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:12:20,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:20,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 42 transitions. [2023-11-19 03:12:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2023-11-19 03:12:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:12:20,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:20,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:12:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 34 transitions. [2023-11-19 03:12:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-19 03:12:20,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:12:20,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:20,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:12:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:21,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 35 transitions. [2023-11-19 03:12:21,048 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-19 03:12:21,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:12:21,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:21,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:21,383 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:12:21,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:21,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 41 transitions. [2023-11-19 03:12:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-19 03:12:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:12:21,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:21,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:22,197 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:12:22,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:22,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 47 transitions. [2023-11-19 03:12:22,565 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-19 03:12:22,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:12:22,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:22,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:12:23,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 52 transitions. [2023-11-19 03:12:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2023-11-19 03:12:23,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:12:23,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:23,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-11-19 03:12:24,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:24,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 55 transitions. [2023-11-19 03:12:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2023-11-19 03:12:24,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:12:24,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:24,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:24,687 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-19 03:12:24,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 54 transitions. [2023-11-19 03:12:24,941 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2023-11-19 03:12:24,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:12:24,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:24,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-11-19 03:12:25,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 49 transitions. [2023-11-19 03:12:25,693 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2023-11-19 03:12:25,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:12:25,697 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-11-19 03:12:25,709 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 03:12:25,775 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:12:25,780 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:12:25,783 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:12:25,784 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:12:25,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:12:25 ImpRootNode [2023-11-19 03:12:25,791 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:12:25,793 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:12:25,793 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:12:25,795 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:12:25,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:16" (3/4) ... [2023-11-19 03:12:25,801 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:12:25,810 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2023-11-19 03:12:25,818 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 03:12:25,819 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 03:12:25,819 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:12:25,820 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:12:25,962 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:12:25,963 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:12:25,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:12:25,964 INFO L158 Benchmark]: Toolchain (without parser) took 10553.48ms. Allocated memory was 136.3MB in the beginning and 358.6MB in the end (delta: 222.3MB). Free memory was 96.0MB in the beginning and 270.1MB in the end (delta: -174.1MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2023-11-19 03:12:25,964 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:12:25,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.68ms. Allocated memory is still 136.3MB. Free memory was 95.7MB in the beginning and 78.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:12:25,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.81ms. Allocated memory is still 136.3MB. Free memory was 78.7MB in the beginning and 76.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:12:25,966 INFO L158 Benchmark]: Boogie Preprocessor took 57.31ms. Allocated memory is still 136.3MB. Free memory was 76.8MB in the beginning and 75.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:12:25,966 INFO L158 Benchmark]: RCFGBuilder took 717.72ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 74.8MB in the beginning and 143.8MB in the end (delta: -69.0MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-19 03:12:25,966 INFO L158 Benchmark]: CodeCheck took 8959.09ms. Allocated memory was 182.5MB in the beginning and 358.6MB in the end (delta: 176.2MB). Free memory was 143.8MB in the beginning and 275.3MB in the end (delta: -131.5MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2023-11-19 03:12:25,967 INFO L158 Benchmark]: Witness Printer took 170.41ms. Allocated memory is still 358.6MB. Free memory was 275.3MB in the beginning and 270.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:12:25,969 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, 22 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 863 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 348 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 508 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1469 IncrementalHoareTripleChecker+Invalid, 1977 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 508 mSolverCounterUnsat, 348 mSDtfsCounter, 1469 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2785 GetRequests, 2666 SyntacticMatches, 45 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2737 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 453 NumberOfCodeBlocks, 453 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 659 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 369/449 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: 579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 592]: 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: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((c == 0) || (1 <= c)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.68ms. Allocated memory is still 136.3MB. Free memory was 95.7MB in the beginning and 78.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.81ms. Allocated memory is still 136.3MB. Free memory was 78.7MB in the beginning and 76.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.31ms. Allocated memory is still 136.3MB. Free memory was 76.8MB in the beginning and 75.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 717.72ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 74.8MB in the beginning and 143.8MB in the end (delta: -69.0MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * CodeCheck took 8959.09ms. Allocated memory was 182.5MB in the beginning and 358.6MB in the end (delta: 176.2MB). Free memory was 143.8MB in the beginning and 275.3MB in the end (delta: -131.5MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * Witness Printer took 170.41ms. Allocated memory is still 358.6MB. Free memory was 275.3MB in the beginning and 270.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:12:26,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc02c9ee-e589-4269-900e-aa451e57c8dd/bin/ukojak-verify-G8NBE6pJGL/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