./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 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_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:02:41,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:02:41,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-08 23:02:41,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:02:41,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:02:41,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:02:41,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:02:41,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:02:41,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:02:41,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:02:41,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:02:41,599 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:02:41,600 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:02:41,600 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:02:41,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:02:41,602 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:02:41,603 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:02:41,603 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:02:41,604 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:02:41,604 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:02:41,604 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:02:41,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:02:41,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:02:41,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:02:41,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:02:41,610 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:02:41,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:02:41,610 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_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d [2024-11-08 23:02:41,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:02:41,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:02:41,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:02:41,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:02:41,941 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:02:41,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-dietlibc/strtok_r.i Unable to find full path for "g++" [2024-11-08 23:02:44,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:02:44,391 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:02:44,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/sv-benchmarks/c/termination-dietlibc/strtok_r.i [2024-11-08 23:02:44,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/data/7b8ad371d/659dbd4c5330442ebd90701d1a390f5e/FLAGeaa069ff8 [2024-11-08 23:02:44,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/data/7b8ad371d/659dbd4c5330442ebd90701d1a390f5e [2024-11-08 23:02:44,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:02:44,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:02:44,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:02:44,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:02:44,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:02:44,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:02:44" (1/1) ... [2024-11-08 23:02:44,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1965b113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:44, skipping insertion in model container [2024-11-08 23:02:44,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:02:44" (1/1) ... [2024-11-08 23:02:44,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:02:44,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:02:44,935 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:02:45,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:02:45,036 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:02:45,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45 WrapperNode [2024-11-08 23:02:45,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:02:45,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:02:45,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:02:45,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:02:45,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,093 INFO L138 Inliner]: procedures = 118, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 152 [2024-11-08 23:02:45,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:02:45,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:02:45,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:02:45,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:02:45,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:02:45,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:02:45,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:02:45,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:02:45,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:02:45,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:02:45,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:02:45,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:02:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:02:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:02:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:02:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:02:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:02:45,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:02:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:02:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:02:45,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:02:45,356 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:02:45,359 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:02:45,805 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-11-08 23:02:45,809 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:02:45,902 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:02:45,902 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 23:02:45,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:45 BoogieIcfgContainer [2024-11-08 23:02:45,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:02:45,905 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:02:45,906 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:02:45,919 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:02:45,919 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:02:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:45,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 66 states and 81 transitions. [2024-11-08 23:02:45,989 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions. [2024-11-08 23:02:45,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:02:45,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:45,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:46,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:46,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 67 states and 83 transitions. [2024-11-08 23:02:46,362 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2024-11-08 23:02:46,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:02:46,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:46,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:46,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 82 transitions. [2024-11-08 23:02:46,599 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2024-11-08 23:02:46,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:02:46,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:46,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:47,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 65 states and 81 transitions. [2024-11-08 23:02:47,237 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2024-11-08 23:02:47,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:02:47,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:47,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:47,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 65 states and 80 transitions. [2024-11-08 23:02:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2024-11-08 23:02:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:02:47,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:47,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 64 states and 79 transitions. [2024-11-08 23:02:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2024-11-08 23:02:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:02:47,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:47,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:48,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:49,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 62 states and 76 transitions. [2024-11-08 23:02:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2024-11-08 23:02:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:02:49,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:49,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:49,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:50,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:50,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 63 states and 77 transitions. [2024-11-08 23:02:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2024-11-08 23:02:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:02:50,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:50,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:51,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:51,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 64 states and 79 transitions. [2024-11-08 23:02:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2024-11-08 23:02:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:02:51,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:51,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:52,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:53,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:53,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2024-11-08 23:02:53,369 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2024-11-08 23:02:53,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:02:53,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:53,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:54,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:56,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2024-11-08 23:02:56,724 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2024-11-08 23:02:56,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:02:56,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:56,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 74 states and 103 transitions. [2024-11-08 23:02:57,940 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2024-11-08 23:02:57,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:02:57,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:57,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:58,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:01,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:01,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2024-11-08 23:03:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2024-11-08 23:03:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:03:01,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:01,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:02,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 81 states and 122 transitions. [2024-11-08 23:03:02,534 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 122 transitions. [2024-11-08 23:03:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:03:02,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:02,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:03,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 85 states and 132 transitions. [2024-11-08 23:03:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 132 transitions. [2024-11-08 23:03:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:03:03,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:03,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:04,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:04,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 86 states and 133 transitions. [2024-11-08 23:03:04,222 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 133 transitions. [2024-11-08 23:03:04,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:03:04,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:04,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:04,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:04,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 87 states and 134 transitions. [2024-11-08 23:03:04,969 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 134 transitions. [2024-11-08 23:03:04,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:03:04,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:04,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:05,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:07,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 151 transitions. [2024-11-08 23:03:07,694 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 151 transitions. [2024-11-08 23:03:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:03:07,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:07,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:12,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:12,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 99 states and 169 transitions. [2024-11-08 23:03:12,459 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 169 transitions. [2024-11-08 23:03:12,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:03:12,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:12,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:13,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:13,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 100 states and 171 transitions. [2024-11-08 23:03:13,076 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2024-11-08 23:03:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:03:13,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:13,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:14,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 103 states and 176 transitions. [2024-11-08 23:03:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 176 transitions. [2024-11-08 23:03:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:03:14,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:14,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:14,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:14,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 105 states and 180 transitions. [2024-11-08 23:03:14,237 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 180 transitions. [2024-11-08 23:03:14,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:03:14,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:14,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:14,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 107 states and 185 transitions. [2024-11-08 23:03:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 185 transitions. [2024-11-08 23:03:14,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:03:14,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:14,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:15,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 186 transitions. [2024-11-08 23:03:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 186 transitions. [2024-11-08 23:03:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:03:15,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:15,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 114 states and 203 transitions. [2024-11-08 23:03:23,989 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 203 transitions. [2024-11-08 23:03:23,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:03:23,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:23,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:24,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:29,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 122 states and 225 transitions. [2024-11-08 23:03:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 225 transitions. [2024-11-08 23:03:29,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:03:29,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:29,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:31,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:38,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 128 states and 243 transitions. [2024-11-08 23:03:38,275 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 243 transitions. [2024-11-08 23:03:38,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:03:38,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:38,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:38,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:03:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:38,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:03:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:38,447 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2024-11-08 23:03:38,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:03:38 ImpRootNode [2024-11-08 23:03:38,502 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:03:38,504 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:03:38,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:03:38,505 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:03:38,506 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:45" (3/4) ... [2024-11-08 23:03:38,507 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:03:38,587 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:03:38,589 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:03:38,590 INFO L158 Benchmark]: Toolchain (without parser) took 54144.70ms. Allocated memory was 157.3MB in the beginning and 371.2MB in the end (delta: 213.9MB). Free memory was 115.1MB in the beginning and 127.6MB in the end (delta: -12.5MB). Peak memory consumption was 204.6MB. Max. memory is 16.1GB. [2024-11-08 23:03:38,591 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 70.0MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:03:38,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.06ms. Allocated memory is still 157.3MB. Free memory was 115.1MB in the beginning and 95.5MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:03:38,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.23ms. Allocated memory is still 157.3MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:38,596 INFO L158 Benchmark]: Boogie Preprocessor took 45.26ms. Allocated memory is still 157.3MB. Free memory was 93.4MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:38,596 INFO L158 Benchmark]: RCFGBuilder took 764.14ms. Allocated memory is still 157.3MB. Free memory was 91.4MB in the beginning and 65.5MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 23:03:38,597 INFO L158 Benchmark]: CodeCheck took 52597.56ms. Allocated memory was 157.3MB in the beginning and 371.2MB in the end (delta: 213.9MB). Free memory was 65.5MB in the beginning and 129.7MB in the end (delta: -64.2MB). Peak memory consumption was 152.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:38,598 INFO L158 Benchmark]: Witness Printer took 85.66ms. Allocated memory is still 371.2MB. Free memory was 129.7MB in the beginning and 127.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:38,604 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, 66 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 52.5s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1610 SdHoareTripleChecker+Valid, 15.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1295 mSDsluCounter, 1672 SdHoareTripleChecker+Invalid, 13.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1232 mSDsCounter, 1673 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6874 IncrementalHoareTripleChecker+Invalid, 8547 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1673 mSolverCounterUnsat, 440 mSDtfsCounter, 6874 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2466 GetRequests, 2100 SyntacticMatches, 6 SemanticMatches, 360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54896 ImplicationChecksByTransitivity, 46.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 1114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 1/1 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L543] int in_len = __VERIFIER_nondet_int(); [L544] COND FALSE !(in_len < 1) [L545] char* in = __builtin_alloca (in_len); VAL [in={5826:0}, in_len=3295] [L546] in[in_len-1]=0 [L547] int delim_len = __VERIFIER_nondet_int(); [L548] COND FALSE !(delim_len < 1) [L549] char* delim = __builtin_alloca (delim_len); [L550] char* ptr = 0; [L551] CALL strtok_r(in, delim, &ptr) [L531] char*tmp=0; VAL [delim={5827:0}, ptrptr={5828:0}, s={5826:0}, tmp={0:0}] [L532] COND FALSE !(s==0) VAL [delim={5827:0}, ptrptr={5828:0}, s={5826:0}, tmp={0:0}] [L533] CALL strspn(s,delim) [L508] size_t l = 0; [L509] const char *a; VAL [accept={5827:0}, l=0, s={5826:0}] [L510] EXPR \read(*s) VAL [accept={5827:0}, l=0, s={5826:0}] [L510] COND TRUE *s [L511] a = accept VAL [a={5827:0}, accept={5827:0}, l=0, s={5826:0}] [L511] EXPR \read(*a) [L511] *a && *s != *a VAL [a={5827:0}, accept={5827:0}, l=0, s={5826:0}] [L511] EXPR \read(*s) VAL [a={5827:0}, accept={5827:0}, l=0, s={5826:0}] [L511] EXPR \read(*a) [L511] *a && *s != *a VAL [a={5827:0}, accept={5827:0}, l=0, s={5826:0}] [L511] COND TRUE *a && *s != *a [L511] a++ VAL [a={5827:1}, accept={5827:0}, l=0, s={5826:0}] [L511] \read(*a) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 70.0MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.06ms. Allocated memory is still 157.3MB. Free memory was 115.1MB in the beginning and 95.5MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.23ms. Allocated memory is still 157.3MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.26ms. Allocated memory is still 157.3MB. Free memory was 93.4MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 764.14ms. Allocated memory is still 157.3MB. Free memory was 91.4MB in the beginning and 65.5MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 52597.56ms. Allocated memory was 157.3MB in the beginning and 371.2MB in the end (delta: 213.9MB). Free memory was 65.5MB in the beginning and 129.7MB in the end (delta: -64.2MB). Peak memory consumption was 152.1MB. Max. memory is 16.1GB. * Witness Printer took 85.66ms. Allocated memory is still 371.2MB. Free memory was 129.7MB in the beginning and 127.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:03:38,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ebcf2d-a9ec-48fb-8ef4-4be4e2c2c484/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)