./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtoull.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/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_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtoull.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/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 64bit --witnessprinter.graph.data.programhash a24f374d1420975a1e7754ddde980f0b5d764d7e3a740acbfbc8098c38afffcd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:14:37,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:14:37,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:14:37,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:14:37,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:14:37,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:14:37,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:14:37,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:14:37,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:14:37,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:14:37,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:14:37,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:14:37,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:14:37,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:14:37,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:14:37,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:14:37,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:14:37,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:14:37,180 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:14:37,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:14:37,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:14:37,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:14:37,180 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:14:37,181 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:14:37,181 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:14:37,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:14:37,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:37,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:14:37,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:14:37,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:14:37,182 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:14:37,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:14:37,182 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_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a24f374d1420975a1e7754ddde980f0b5d764d7e3a740acbfbc8098c38afffcd [2024-11-13 23:14:37,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:14:37,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:14:37,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:14:37,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:14:37,560 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:14:37,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-dietlibc/strtoull.i Unable to find full path for "g++" [2024-11-13 23:14:39,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:14:40,037 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:14:40,038 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/sv-benchmarks/c/termination-dietlibc/strtoull.i [2024-11-13 23:14:40,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/bin/ukojak-verify-EEHR8qb7sm/data/925ed3c66/d026cd5f1eab46208b1b3dda7a8bfd53/FLAGc2e491bf1 [2024-11-13 23:14:40,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/bin/ukojak-verify-EEHR8qb7sm/data/925ed3c66/d026cd5f1eab46208b1b3dda7a8bfd53 [2024-11-13 23:14:40,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:14:40,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:14:40,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:40,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:14:40,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:14:40,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f81eb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40, skipping insertion in model container [2024-11-13 23:14:40,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:14:40,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:40,622 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:14:40,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:40,764 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:14:40,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40 WrapperNode [2024-11-13 23:14:40,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:40,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:40,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:14:40,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:14:40,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,843 INFO L138 Inliner]: procedures = 116, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 182 [2024-11-13 23:14:40,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:40,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:14:40,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:14:40,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:14:40,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:14:40,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:14:40,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:14:40,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:14:40,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:40" (1/1) ... [2024-11-13 23:14:40,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:40,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:14:40,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:14:40,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:14:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:14:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:14:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:14:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:14:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:14:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:14:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:14:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:14:41,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:14:41,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:14:41,644 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-13 23:14:41,644 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:14:41,775 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:14:41,775 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 23:14:41,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:41 BoogieIcfgContainer [2024-11-13 23:14:41,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:14:41,780 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:14:41,781 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:14:41,794 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:14:41,794 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:41" (1/1) ... [2024-11-13 23:14:41,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:14:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2024-11-13 23:14:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2024-11-13 23:14:41,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 23:14:41,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:41,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:42,087 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 23:14:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2024-11-13 23:14:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2024-11-13 23:14:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:14:42,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:42,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:42,200 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 23:14:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:42,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2024-11-13 23:14:42,298 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2024-11-13 23:14:42,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:14:42,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:42,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:42,470 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 23:14:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:42,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 86 states and 106 transitions. [2024-11-13 23:14:42,704 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 106 transitions. [2024-11-13 23:14:42,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:14:42,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:42,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:42,778 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 23:14:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 90 states and 111 transitions. [2024-11-13 23:14:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 111 transitions. [2024-11-13 23:14:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:14:42,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:42,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:43,008 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 23:14:43,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:43,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 91 states and 114 transitions. [2024-11-13 23:14:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2024-11-13 23:14:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:14:43,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:43,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:43,096 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 23:14:43,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 95 states and 119 transitions. [2024-11-13 23:14:43,204 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2024-11-13 23:14:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:14:43,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:43,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:14:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:43,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 95 states and 118 transitions. [2024-11-13 23:14:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 118 transitions. [2024-11-13 23:14:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:14:43,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:43,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:43,436 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 23:14:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 97 states and 119 transitions. [2024-11-13 23:14:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2024-11-13 23:14:43,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:14:43,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:43,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 101 states and 127 transitions. [2024-11-13 23:14:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 127 transitions. [2024-11-13 23:14:44,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:14:44,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:44,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:14:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 103 states and 128 transitions. [2024-11-13 23:14:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 128 transitions. [2024-11-13 23:14:44,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:14:44,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:44,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 108 states and 137 transitions. [2024-11-13 23:14:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 137 transitions. [2024-11-13 23:14:45,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:14:45,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:45,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:45,442 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 23:14:45,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:45,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 108 states and 136 transitions. [2024-11-13 23:14:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 136 transitions. [2024-11-13 23:14:45,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:14:45,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:45,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:45,514 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 23:14:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:45,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 109 states and 137 transitions. [2024-11-13 23:14:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 137 transitions. [2024-11-13 23:14:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:14:45,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:45,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:14:45,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:14:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:14:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:14:46,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:14:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:14:46,049 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2024-11-13 23:14:46,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:14:46 ImpRootNode [2024-11-13 23:14:46,104 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:14:46,109 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:14:46,109 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:14:46,109 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:14:46,110 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:41" (3/4) ... [2024-11-13 23:14:46,111 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:14:46,182 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4f1e3e-4b01-43ce-8c50-3b4cda6ca0fa/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:14:46,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:14:46,183 INFO L158 Benchmark]: Toolchain (without parser) took 6100.85ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 31.9MB in the end (delta: 50.5MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2024-11-13 23:14:46,183 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 41.9MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:46,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 681.46ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 64.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:14:46,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.16ms. Allocated memory is still 109.1MB. Free memory was 64.7MB in the beginning and 62.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:46,185 INFO L158 Benchmark]: Boogie Preprocessor took 60.33ms. Allocated memory is still 109.1MB. Free memory was 62.3MB in the beginning and 60.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:14:46,186 INFO L158 Benchmark]: RCFGBuilder took 874.57ms. Allocated memory is still 109.1MB. Free memory was 60.9MB in the beginning and 79.6MB in the end (delta: -18.7MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-13 23:14:46,189 INFO L158 Benchmark]: CodeCheck took 4323.71ms. Allocated memory is still 109.1MB. Free memory was 79.0MB in the beginning and 34.5MB in the end (delta: 44.5MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2024-11-13 23:14:46,189 INFO L158 Benchmark]: Witness Printer took 73.16ms. Allocated memory is still 109.1MB. Free memory was 34.5MB in the beginning and 31.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:14:46,195 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, 79 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 517 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 399 mSDsluCounter, 166 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1283 IncrementalHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 64 mSDtfsCounter, 1283 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 895 GetRequests, 788 SyntacticMatches, 31 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2448 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 258 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 13/22 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 - CounterExampleResult [Line: 519]: integer overflow possible integer overflow possible We found a FailurePath: [L551] int in_len = __VERIFIER_nondet_int(); [L552] COND FALSE !(in_len < 1) [L553] char* in = __builtin_alloca (in_len); [L554] int i=0; VAL [i=0, in={3:0}, in_len=1] [L554] EXPR in_len-1 VAL [i=0, in={3:0}, in_len=1] [L554] COND FALSE !(i