./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB15.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 856b26ed1b95b9c5e409c9e42274459ceef7cfabfe29e933603f5e3c1c7ce07f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:40,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:40,120 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:09:40,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:40,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:40,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:40,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:40,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:40,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:40,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:40,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:40,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:40,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:40,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:40,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:40,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:40,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:40,185 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:40,186 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:40,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:40,186 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:40,191 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:40,192 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:40,192 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:40,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:40,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:40,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:40,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:40,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:40,195 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:40,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:40,197 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:40,197 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_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 856b26ed1b95b9c5e409c9e42274459ceef7cfabfe29e933603f5e3c1c7ce07f [2023-11-23 20:09:40,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:40,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:40,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:40,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:40,550 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:40,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-restricted-15/PastaB15.c [2023-11-23 20:09:43,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:43,912 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:43,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/sv-benchmarks/c/termination-restricted-15/PastaB15.c [2023-11-23 20:09:43,921 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/data/0050e993f/768e9dc6743e4f8b9a0f559e4905126f/FLAG2f9a137db [2023-11-23 20:09:43,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/data/0050e993f/768e9dc6743e4f8b9a0f559e4905126f [2023-11-23 20:09:43,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:43,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:43,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:43,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:43,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:43,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:43" (1/1) ... [2023-11-23 20:09:43,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f712f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:43, skipping insertion in model container [2023-11-23 20:09:43,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:43" (1/1) ... [2023-11-23 20:09:43,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:44,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:44,143 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:44,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:44,169 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:44,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:44 WrapperNode [2023-11-23 20:09:44,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:44,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:44,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:44,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:44,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:44" (1/1) ... [2023-11-23 20:09:44,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:44" (1/1) ... [2023-11-23 20:09:44,203 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-11-23 20:09:44,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:44,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:44,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:44,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:44,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:44" (1/1) ... [2023-11-23 20:09:44,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:44" (1/1) ... [2023-11-23 20:09:44,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:44" (1/1) ... [2023-11-23 20:09:44,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:44" (1/1) ... [2023-11-23 20:09:44,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:44" (1/1) ... [2023-11-23 20:09:44,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:44" (1/1) ... [2023-11-23 20:09:44,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:44" (1/1) ... [2023-11-23 20:09:44,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:44" (1/1) ... [2023-11-23 20:09:44,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:44,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:44,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:44,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:44,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:44" (1/1) ... [2023-11-23 20:09:44,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:44,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:44,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:44,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:44,393 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:44,396 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:44,551 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:09:44,605 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:09:44,605 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:09:44,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:44 BoogieIcfgContainer [2023-11-23 20:09:44,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:09:44,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:09:44,608 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:09:44,620 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:09:44,620 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:44" (1/1) ... [2023-11-23 20:09:44,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:09:44,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:44,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-23 20:09:44,706 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-23 20:09:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:09:44,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:44,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:45,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2023-11-23 20:09:45,094 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2023-11-23 20:09:45,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:09:45,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:45,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:45,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:45,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2023-11-23 20:09:45,372 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2023-11-23 20:09:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:09:45,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:45,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:45,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:45,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2023-11-23 20:09:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2023-11-23 20:09:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:09:45,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:45,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:46,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:46,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2023-11-23 20:09:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2023-11-23 20:09:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:09:46,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:46,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:09:47,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:47,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 32 states and 59 transitions. [2023-11-23 20:09:47,157 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 59 transitions. [2023-11-23 20:09:47,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:09:47,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:47,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:47,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-23 20:09:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-23 20:09:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:09:47,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:47,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:09:48,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:48,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2023-11-23 20:09:48,657 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2023-11-23 20:09:48,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:09:48,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:48,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:09:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2023-11-23 20:09:49,144 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2023-11-23 20:09:49,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:09:49,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:49,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:09:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:49,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2023-11-23 20:09:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2023-11-23 20:09:49,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:09:49,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:49,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:49,480 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:09:49,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-23 20:09:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-23 20:09:49,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:09:49,641 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-23 20:09:49,653 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-23 20:09:49,745 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2023-11-23 20:09:49,753 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2023-11-23 20:09:49,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:09:49 ImpRootNode [2023-11-23 20:09:49,755 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:09:49,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:09:49,756 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:09:49,756 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:09:49,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:44" (3/4) ... [2023-11-23 20:09:49,759 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:09:49,766 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:09:49,766 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 20:09:49,766 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 20:09:49,863 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:09:49,868 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:09:49,869 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:09:49,870 INFO L158 Benchmark]: Toolchain (without parser) took 5921.70ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 91.7MB in the beginning and 137.3MB in the end (delta: -45.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:49,873 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:49,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.49ms. Allocated memory is still 138.4MB. Free memory was 91.3MB in the beginning and 82.1MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:09:49,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.19ms. Allocated memory is still 138.4MB. Free memory was 81.7MB in the beginning and 80.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:49,878 INFO L158 Benchmark]: Boogie Preprocessor took 20.60ms. Allocated memory is still 138.4MB. Free memory was 80.7MB in the beginning and 79.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:09:49,879 INFO L158 Benchmark]: RCFGBuilder took 381.98ms. Allocated memory is still 138.4MB. Free memory was 79.5MB in the beginning and 69.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:09:49,880 INFO L158 Benchmark]: CodeCheck took 5147.24ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 69.5MB in the beginning and 141.5MB in the end (delta: -71.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:49,880 INFO L158 Benchmark]: Witness Printer took 113.37ms. Allocated memory is still 178.3MB. Free memory was 141.5MB in the beginning and 137.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:09:49,883 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 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 272 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1381 IncrementalHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 272 mSolverCounterUnsat, 20 mSDtfsCounter, 1381 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 922 GetRequests, 771 SyntacticMatches, 41 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5166 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 24/36 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: 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: 13]: Loop Invariant Derived loop invariant: ((((z + 2147483648) < 0) && (y < (z + 1))) || ((0 <= (z + 2147483648)) && (x <= 2147483647))) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((((y <= ((x + z) + 2147483648)) && ((2147483647 + x) < 0)) || (((0 <= (z + 2147483648)) && (x <= 2147483647)) && (y < x))) || (((x <= y) && (y <= ((x + z) + 2147483648))) && (y <= 2147483647))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.49ms. Allocated memory is still 138.4MB. Free memory was 91.3MB in the beginning and 82.1MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.19ms. Allocated memory is still 138.4MB. Free memory was 81.7MB in the beginning and 80.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.60ms. Allocated memory is still 138.4MB. Free memory was 80.7MB in the beginning and 79.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 381.98ms. Allocated memory is still 138.4MB. Free memory was 79.5MB in the beginning and 69.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 5147.24ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 69.5MB in the beginning and 141.5MB in the end (delta: -71.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 113.37ms. Allocated memory is still 178.3MB. Free memory was 141.5MB in the beginning and 137.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:09:49,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0769fbe-ae34-481e-ae77-feadd93408bf/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE