./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm --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 0.3.0-dev-826ab2b [2024-11-13 21:45:18,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:45:18,384 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:45:18,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:45:18,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:45:18,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:45:18,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:45:18,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:45:18,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:45:18,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:45:18,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:45:18,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:45:18,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:45:18,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:45:18,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:45:18,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:45:18,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:45:18,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:45:18,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:45:18,438 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:45:18,438 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:45:18,438 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:45:18,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:45:18,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:45:18,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:45:18,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:45:18,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:45:18,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:45:18,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:45:18,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:45:18,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:45:18,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:45:18,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:45:18,439 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:45:18,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:45:18,439 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 21:45:18,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:45:18,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:45:18,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:45:18,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:45:18,812 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:45:18,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i Unable to find full path for "g++" [2024-11-13 21:45:20,792 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:45:21,133 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:45:21,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2024-11-13 21:45:21,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/data/57fb0e874/917eda693e544fa7bf185ff205c7098f/FLAG52b738486 [2024-11-13 21:45:21,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/data/57fb0e874/917eda693e544fa7bf185ff205c7098f [2024-11-13 21:45:21,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:45:21,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:45:21,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:45:21,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:45:21,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:45:21,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bafa92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21, skipping insertion in model container [2024-11-13 21:45:21,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,220 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:45:21,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:45:21,574 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:45:21,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:45:21,648 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:45:21,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21 WrapperNode [2024-11-13 21:45:21,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:45:21,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:45:21,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:45:21,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:45:21,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,697 INFO L138 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2024-11-13 21:45:21,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:45:21,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:45:21,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:45:21,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:45:21,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:45:21,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:45:21,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:45:21,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:45:21,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:21" (1/1) ... [2024-11-13 21:45:21,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:45:21,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:45:21,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:45:21,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:45:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:45:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:45:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:45:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 21:45:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:45:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:45:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:45:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:45:21,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:45:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure append [2024-11-13 21:45:21,815 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2024-11-13 21:45:21,926 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:45:21,928 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:45:22,229 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-13 21:45:22,230 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:45:22,366 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:45:22,368 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 21:45:22,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:22 BoogieIcfgContainer [2024-11-13 21:45:22,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:45:22,370 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:45:22,371 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:45:22,383 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:45:22,383 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:22" (1/1) ... [2024-11-13 21:45:22,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:45:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-13 21:45:22,462 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-13 21:45:22,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:45:22,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:22,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:45:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:22,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-11-13 21:45:22,790 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-13 21:45:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:45:22,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:22,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:45:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:23,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-11-13 21:45:23,201 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-13 21:45:23,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:45:23,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:23,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:23,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:45:23,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:23,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-11-13 21:45:23,685 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-11-13 21:45:23,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:45:23,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:23,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:24,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:45:24,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:24,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-11-13 21:45:24,061 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-11-13 21:45:24,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:45:24,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:24,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:24,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:45:24,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:24,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-13 21:45:24,497 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-13 21:45:24,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:45:24,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:24,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:45:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:25,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-11-13 21:45:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-13 21:45:25,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:45:25,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:25,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:25,421 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:45:25,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:25,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 39 transitions. [2024-11-13 21:45:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-13 21:45:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:45:25,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:25,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:25,934 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 21:45:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:25,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 42 transitions. [2024-11-13 21:45:25,995 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-11-13 21:45:25,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:45:25,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:25,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:45:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 34 transitions. [2024-11-13 21:45:26,510 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-11-13 21:45:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:45:26,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:26,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:26,722 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 21:45:26,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 35 transitions. [2024-11-13 21:45:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-11-13 21:45:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:45:26,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:26,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:45:27,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:27,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 41 transitions. [2024-11-13 21:45:27,423 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2024-11-13 21:45:27,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:45:27,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:27,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 21:45:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 47 transitions. [2024-11-13 21:45:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2024-11-13 21:45:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:45:28,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:28,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:28,911 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 21:45:29,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 52 transitions. [2024-11-13 21:45:29,284 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2024-11-13 21:45:29,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 21:45:29,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:29,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-13 21:45:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:29,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 55 transitions. [2024-11-13 21:45:29,905 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2024-11-13 21:45:29,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:45:29,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:29,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:30,215 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-13 21:45:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 54 transitions. [2024-11-13 21:45:30,432 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2024-11-13 21:45:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:45:30,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:30,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:30,946 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-13 21:45:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 49 transitions. [2024-11-13 21:45:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2024-11-13 21:45:31,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:45:31,070 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2024-11-13 21:45:31,084 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 21:45:31,223 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 592) no Hoare annotation was computed. [2024-11-13 21:45:31,223 INFO L77 FloydHoareUtils]: At program point L585-2(lines 585 589) the Hoare annotation is: true [2024-11-13 21:45:31,224 INFO L77 FloydHoareUtils]: At program point L581(line 581) the Hoare annotation is: (<= |ULTIMATE.start_main_~c~0#1| 4) [2024-11-13 21:45:31,224 INFO L77 FloydHoareUtils]: At program point L581-1(line 581) the Hoare annotation is: true [2024-11-13 21:45:31,224 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 579) the Hoare annotation is: true [2024-11-13 21:45:31,224 INFO L77 FloydHoareUtils]: At program point L573-1(lines 573 576) the Hoare annotation is: true [2024-11-13 21:45:31,224 INFO L77 FloydHoareUtils]: At program point L573-3(lines 573 576) the Hoare annotation is: true [2024-11-13 21:45:31,224 INFO L77 FloydHoareUtils]: At program point L573-4(lines 573 576) the Hoare annotation is: true [2024-11-13 21:45:31,224 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 579) the Hoare annotation is: true [2024-11-13 21:45:31,224 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:45:31,224 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:45:31,224 INFO L77 FloydHoareUtils]: At program point L579-2(line 579) the Hoare annotation is: true [2024-11-13 21:45:31,225 INFO L77 FloydHoareUtils]: At program point L579-3(line 579) the Hoare annotation is: true [2024-11-13 21:45:31,225 INFO L77 FloydHoareUtils]: At program point L575(line 575) the Hoare annotation is: true [2024-11-13 21:45:31,225 INFO L77 FloydHoareUtils]: At program point L579-4(lines 579 582) the Hoare annotation is: true [2024-11-13 21:45:31,225 INFO L77 FloydHoareUtils]: At program point L575-1(line 575) the Hoare annotation is: true [2024-11-13 21:45:31,225 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 592) no Hoare annotation was computed. [2024-11-13 21:45:31,225 INFO L77 FloydHoareUtils]: At program point L592-2(line 592) 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|)) [2024-11-13 21:45:31,225 INFO L77 FloydHoareUtils]: At program point L592-3(line 592) 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|)) [2024-11-13 21:45:31,225 INFO L77 FloydHoareUtils]: At program point L592-4(lines 592 596) the Hoare annotation is: (not (and (< |ULTIMATE.start_main_~c~0#1| 1) (not (= |ULTIMATE.start_main_~c~0#1| 0)))) [2024-11-13 21:45:31,228 INFO L77 FloydHoareUtils]: At program point appendEXIT(lines 550 564) the Hoare annotation is: true [2024-11-13 21:45:31,229 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 550 564) the Hoare annotation is: true [2024-11-13 21:45:31,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:45:31 ImpRootNode [2024-11-13 21:45:31,249 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:45:31,250 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:45:31,250 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:45:31,251 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:45:31,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:22" (3/4) ... [2024-11-13 21:45:31,254 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:45:31,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2024-11-13 21:45:31,260 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 21:45:31,261 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 21:45:31,261 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:45:31,261 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:45:31,339 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:45:31,340 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:45:31,340 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:45:31,341 INFO L158 Benchmark]: Toolchain (without parser) took 10170.78ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 93.5MB in the beginning and 296.8MB in the end (delta: -203.4MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2024-11-13 21:45:31,341 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:45:31,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.40ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 75.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:45:31,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.25ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:45:31,342 INFO L158 Benchmark]: Boogie Preprocessor took 48.34ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 73.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:45:31,343 INFO L158 Benchmark]: RCFGBuilder took 621.80ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 50.4MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:45:31,343 INFO L158 Benchmark]: CodeCheck took 8880.02ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 50.1MB in the beginning and 300.8MB in the end (delta: -250.7MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2024-11-13 21:45:31,343 INFO L158 Benchmark]: Witness Printer took 89.85ms. Allocated memory is still 427.8MB. Free memory was 300.8MB in the beginning and 296.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:45:31,345 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: 8.7s, 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, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 379 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 508 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1438 IncrementalHoareTripleChecker+Invalid, 1946 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 508 mSolverCounterUnsat, 379 mSDtfsCounter, 1438 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, 2.4s 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: 592]: 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 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.40ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 75.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.25ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.34ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 73.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 621.80ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 50.4MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 8880.02ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 50.1MB in the beginning and 300.8MB in the end (delta: -250.7MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Witness Printer took 89.85ms. Allocated memory is still 427.8MB. Free memory was 300.8MB in the beginning and 296.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:45:31,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee51e5b6-8312-491b-8e7e-f50953056052/bin/ukojak-verify-EEHR8qb7sm/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