./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 cf1a7837 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_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtoull.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV --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 0.2.3-dev-cf1a783 [2023-11-11 23:44:37,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:44:37,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:44:37,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:44:37,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:44:37,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:44:37,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:44:37,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:44:37,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:44:37,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:44:37,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:44:37,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:44:37,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:44:37,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:44:37,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:44:37,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:44:37,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:44:37,918 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:44:37,919 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:44:37,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:44:37,920 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:44:37,934 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:44:37,934 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:44:37,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:44:37,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:37,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:44:37,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:44:37,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:44:37,937 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:44:37,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:44:37,938 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:44:37,939 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_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a24f374d1420975a1e7754ddde980f0b5d764d7e3a740acbfbc8098c38afffcd [2023-11-11 23:44:38,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:44:38,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:44:38,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:44:38,367 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:44:38,368 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:44:38,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-dietlibc/strtoull.i [2023-11-11 23:44:41,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:44:42,013 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:44:42,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/sv-benchmarks/c/termination-dietlibc/strtoull.i [2023-11-11 23:44:42,035 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/data/6530934d6/6f05cde2f4454e7aaa0d1ea4248db461/FLAG9ed1a3a3f [2023-11-11 23:44:42,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/data/6530934d6/6f05cde2f4454e7aaa0d1ea4248db461 [2023-11-11 23:44:42,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:44:42,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:44:42,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:42,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:44:42,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:44:42,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688f859f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42, skipping insertion in model container [2023-11-11 23:44:42,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:44:42,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:42,477 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:44:42,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:42,583 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:44:42,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42 WrapperNode [2023-11-11 23:44:42,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:42,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:42,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:44:42,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:44:42,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,647 INFO L138 Inliner]: procedures = 116, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 185 [2023-11-11 23:44:42,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:42,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:44:42,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:44:42,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:44:42,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:44:42,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:44:42,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:44:42,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:44:42,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:42,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:44:42,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:44:42,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:44:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:44:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:44:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:44:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:44:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:44:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:44:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:44:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:44:42,890 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:44:42,893 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:43,303 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:43,396 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:43,396 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:44:43,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:43 BoogieIcfgContainer [2023-11-11 23:44:43,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:43,420 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:43,424 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:43,442 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:43,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:43" (1/1) ... [2023-11-11 23:44:43,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:44:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:43,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2023-11-11 23:44:43,548 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2023-11-11 23:44:43,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:44:43,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:43,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:43,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2023-11-11 23:44:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2023-11-11 23:44:43,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:44:43,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:43,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:43,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2023-11-11 23:44:43,874 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2023-11-11 23:44:43,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:44:43,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:43,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:44,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 86 states and 106 transitions. [2023-11-11 23:44:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 106 transitions. [2023-11-11 23:44:44,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:44:44,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:44,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:44,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 90 states and 111 transitions. [2023-11-11 23:44:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 111 transitions. [2023-11-11 23:44:44,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:44:44,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:44,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:44,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 91 states and 114 transitions. [2023-11-11 23:44:44,614 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2023-11-11 23:44:44,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:44:44,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:44,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:44,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:44,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 95 states and 119 transitions. [2023-11-11 23:44:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2023-11-11 23:44:44,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:44:44,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:44,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:44:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:44,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 95 states and 118 transitions. [2023-11-11 23:44:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 118 transitions. [2023-11-11 23:44:44,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:44:44,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:44,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 97 states and 119 transitions. [2023-11-11 23:44:45,035 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2023-11-11 23:44:45,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:44:45,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:45,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:45,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 101 states and 127 transitions. [2023-11-11 23:44:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 127 transitions. [2023-11-11 23:44:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:44:45,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:45,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:44:45,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:45,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 103 states and 128 transitions. [2023-11-11 23:44:45,829 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 128 transitions. [2023-11-11 23:44:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:44:45,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:45,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:46,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 108 states and 137 transitions. [2023-11-11 23:44:46,453 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 137 transitions. [2023-11-11 23:44:46,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:44:46,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:46,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:46,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:46,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 108 states and 136 transitions. [2023-11-11 23:44:46,488 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 136 transitions. [2023-11-11 23:44:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:44:46,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:46,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 109 states and 137 transitions. [2023-11-11 23:44:46,810 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 137 transitions. [2023-11-11 23:44:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:44:46,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:46,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:44:46,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:44:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:44:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:44:46,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:44:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:44:47,004 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2023-11-11 23:44:47,061 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc22 [2023-11-11 23:44:47,063 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc22 [2023-11-11 23:44:47,063 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc22 [2023-11-11 23:44:47,064 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-11 23:44:47,067 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-11 23:44:47,067 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-11 23:44:47,068 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-11 23:44:47,068 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-11 23:44:47,070 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-11 23:44:47,071 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-11 23:44:47,071 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~pre7 [2023-11-11 23:44:47,071 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-11 23:44:47,072 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~post5 [2023-11-11 23:44:47,072 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-11 23:44:47,072 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated [2023-11-11 23:44:47,073 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-11 23:44:47,073 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-11 23:44:47,074 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~post5 [2023-11-11 23:44:47,074 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~pre7 [2023-11-11 23:44:47,074 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-11 23:44:47,075 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-11 23:44:47,075 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~pre7 [2023-11-11 23:44:47,075 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~post5 [2023-11-11 23:44:47,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:44:47 ImpRootNode [2023-11-11 23:44:47,084 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:44:47,086 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:44:47,089 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:44:47,090 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:44:47,092 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:43" (3/4) ... [2023-11-11 23:44:47,094 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:44:47,113 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc22 [2023-11-11 23:44:47,114 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc22 [2023-11-11 23:44:47,115 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc22 [2023-11-11 23:44:47,116 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-11 23:44:47,118 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-11 23:44:47,125 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-11 23:44:47,126 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-11 23:44:47,135 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-11 23:44:47,136 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-11 23:44:47,136 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~pre7 [2023-11-11 23:44:47,136 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated [2023-11-11 23:44:47,136 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~post5 [2023-11-11 23:44:47,137 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-11 23:44:47,137 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-11 23:44:47,137 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~pre7 [2023-11-11 23:44:47,138 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~post5 [2023-11-11 23:44:47,138 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~post5 [2023-11-11 23:44:47,138 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-11 23:44:47,138 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~pre7 [2023-11-11 23:44:47,139 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-11 23:44:47,188 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2619b-5349-4ba2-8dc8-186ae59de383/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:44:47,188 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:44:47,189 INFO L158 Benchmark]: Toolchain (without parser) took 5131.08ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 101.9MB in the beginning and 129.4MB in the end (delta: -27.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,190 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 109.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:44:47,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.70ms. Allocated memory is still 140.5MB. Free memory was 101.4MB in the beginning and 84.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.72ms. Allocated memory is still 140.5MB. Free memory was 84.2MB in the beginning and 81.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,192 INFO L158 Benchmark]: Boogie Preprocessor took 40.16ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 80.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,193 INFO L158 Benchmark]: RCFGBuilder took 710.24ms. Allocated memory is still 140.5MB. Free memory was 80.0MB in the beginning and 53.7MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,194 INFO L158 Benchmark]: CodeCheck took 3664.22ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 110.3MB in the beginning and 133.6MB in the end (delta: -23.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,197 INFO L158 Benchmark]: Witness Printer took 103.49ms. Allocated memory is still 169.9MB. Free memory was 132.6MB in the beginning and 129.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:44:47,200 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: 3.5s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 544 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 426 mSDsluCounter, 166 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 234 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1283 IncrementalHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 234 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, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s 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={2:0}, in_len=1] [L554] EXPR in_len-1 VAL [i=0, in={2:0}, in_len=1] [L554] COND FALSE !(i