./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/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_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:22:05,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:22:05,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 22:22:05,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:22:05,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:22:05,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:22:05,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:22:05,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:22:05,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:22:05,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:22:05,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:22:05,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:22:05,733 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:22:05,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:22:05,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:22:05,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:22:05,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:22:05,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:22:05,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:22:05,739 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:22:05,740 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:22:05,744 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:22:05,744 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:22:05,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:22:05,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:22:05,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:22:05,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:22:05,746 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:22:05,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:22:05,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:05,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:22:05,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:22:05,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:22:05,747 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:22:05,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:22:05,750 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_563dbe2c-86b7-4b1a-83f3-82f30f65175c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 [2024-11-08 22:22:06,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:22:06,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:22:06,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:22:06,060 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:22:06,060 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:22:06,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i Unable to find full path for "g++" [2024-11-08 22:22:08,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:22:08,344 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:22:08,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2024-11-08 22:22:08,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk/data/2667eb5b3/3ef85b6e1e66484c8ad5cff484e50429/FLAGb99ddc8bf [2024-11-08 22:22:08,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk/data/2667eb5b3/3ef85b6e1e66484c8ad5cff484e50429 [2024-11-08 22:22:08,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:22:08,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:22:08,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:08,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:22:08,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:22:08,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:08,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ddf0ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08, skipping insertion in model container [2024-11-08 22:22:08,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:08,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:22:08,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:08,856 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:22:08,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:08,966 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:22:08,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08 WrapperNode [2024-11-08 22:22:08,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:08,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:08,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:22:08,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:22:08,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:08,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:09,014 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 129 [2024-11-08 22:22:09,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:09,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:22:09,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:22:09,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:22:09,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:09,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:09,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:09,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:09,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:09,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:09,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:09,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:09,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:22:09,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:22:09,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:22:09,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:22:09,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:08" (1/1) ... [2024-11-08 22:22:09,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:09,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:22:09,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:22:09,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:22:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:22:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:22:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:22:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:22:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:22:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:22:09,271 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:22:09,273 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:22:09,529 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-08 22:22:09,529 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:22:09,607 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:22:09,607 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 22:22:09,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:09 BoogieIcfgContainer [2024-11-08 22:22:09,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:22:09,609 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:22:09,609 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:22:09,621 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:22:09,621 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:09" (1/1) ... [2024-11-08 22:22:09,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:22:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2024-11-08 22:22:09,693 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2024-11-08 22:22:09,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 22:22:09,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:09,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:09,947 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 22:22:09,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:09,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2024-11-08 22:22:09,976 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2024-11-08 22:22:09,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:22:09,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:09,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:10,101 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 22:22:10,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2024-11-08 22:22:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2024-11-08 22:22:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:22:10,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:10,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:10,284 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 22:22:10,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2024-11-08 22:22:10,502 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2024-11-08 22:22:10,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:22:10,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:10,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:10,636 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 22:22:11,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:11,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2024-11-08 22:22:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2024-11-08 22:22:11,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:22:11,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:11,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:11,140 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 22:22:11,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:11,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 53 states and 72 transitions. [2024-11-08 22:22:11,189 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2024-11-08 22:22:11,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:22:11,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:11,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:11,317 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 22:22:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 59 states and 84 transitions. [2024-11-08 22:22:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2024-11-08 22:22:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:22:11,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:11,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:11,971 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 22:22:12,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 60 states and 85 transitions. [2024-11-08 22:22:12,530 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2024-11-08 22:22:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:22:12,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:12,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:13,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:13,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2024-11-08 22:22:13,096 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2024-11-08 22:22:13,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:22:13,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:13,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:13,217 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 22:22:13,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 68 states and 99 transitions. [2024-11-08 22:22:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2024-11-08 22:22:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:22:13,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:13,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:13,732 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 22:22:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:14,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 74 states and 110 transitions. [2024-11-08 22:22:14,562 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2024-11-08 22:22:14,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:22:14,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:14,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:14,606 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 22:22:14,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 75 states and 113 transitions. [2024-11-08 22:22:14,636 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-11-08 22:22:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:22:14,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:14,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:14,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:15,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 124 transitions. [2024-11-08 22:22:15,644 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2024-11-08 22:22:15,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:22:15,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:15,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:15,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 80 states and 125 transitions. [2024-11-08 22:22:15,973 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 125 transitions. [2024-11-08 22:22:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:22:15,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:15,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:16,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:16,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2024-11-08 22:22:16,283 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2024-11-08 22:22:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:16,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:16,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:16,323 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 22:22:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:17,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 89 states and 139 transitions. [2024-11-08 22:22:17,429 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 139 transitions. [2024-11-08 22:22:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:17,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:17,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:17,523 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 22:22:18,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 90 states and 141 transitions. [2024-11-08 22:22:18,557 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2024-11-08 22:22:18,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:18,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:18,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:18,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:22:19,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:19,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 95 states and 151 transitions. [2024-11-08 22:22:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 151 transitions. [2024-11-08 22:22:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:19,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:19,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:21,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 100 states and 168 transitions. [2024-11-08 22:22:21,352 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 168 transitions. [2024-11-08 22:22:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:21,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:22:21,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:21,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 102 states and 171 transitions. [2024-11-08 22:22:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 171 transitions. [2024-11-08 22:22:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:21,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:21,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:21,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:22,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:22,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 171 transitions. [2024-11-08 22:22:22,082 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 171 transitions. [2024-11-08 22:22:22,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:22,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:22,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:22:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:22,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2024-11-08 22:22:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2024-11-08 22:22:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:22:22,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:22,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:22,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:22,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 106 states and 172 transitions. [2024-11-08 22:22:22,778 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 172 transitions. [2024-11-08 22:22:22,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:22:22,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:22,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:22,797 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 22:22:23,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 110 states and 176 transitions. [2024-11-08 22:22:23,436 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions. [2024-11-08 22:22:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:22:23,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:23,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:24,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:24,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 114 states and 183 transitions. [2024-11-08 22:22:24,322 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 183 transitions. [2024-11-08 22:22:24,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:22:24,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:24,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:24,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:22:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 192 transitions. [2024-11-08 22:22:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2024-11-08 22:22:25,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:22:25,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:25,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:25,741 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:22:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:26,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 120 states and 192 transitions. [2024-11-08 22:22:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 192 transitions. [2024-11-08 22:22:26,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:22:26,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:26,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:22:27,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:27,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 122 states and 193 transitions. [2024-11-08 22:22:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 193 transitions. [2024-11-08 22:22:27,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:22:27,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:27,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:27,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:22:27,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:27,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2024-11-08 22:22:27,575 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2024-11-08 22:22:27,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:22:27,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:27,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:27,623 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 22:22:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 128 states and 198 transitions. [2024-11-08 22:22:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 198 transitions. [2024-11-08 22:22:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:22:28,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:28,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:28,724 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:22:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:29,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 130 states and 202 transitions. [2024-11-08 22:22:29,901 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 202 transitions. [2024-11-08 22:22:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:22:29,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:29,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:30,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:31,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 134 states and 213 transitions. [2024-11-08 22:22:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2024-11-08 22:22:31,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:22:31,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:31,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:32,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:32,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 135 states and 214 transitions. [2024-11-08 22:22:32,443 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 214 transitions. [2024-11-08 22:22:32,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:22:32,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:32,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 137 states and 216 transitions. [2024-11-08 22:22:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 216 transitions. [2024-11-08 22:22:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:22:33,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:33,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:22:34,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 142 states and 226 transitions. [2024-11-08 22:22:34,845 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2024-11-08 22:22:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:22:34,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:34,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:37,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 147 states and 243 transitions. [2024-11-08 22:22:37,418 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 243 transitions. [2024-11-08 22:22:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:22:37,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:37,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:22:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 149 states and 246 transitions. [2024-11-08 22:22:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 246 transitions. [2024-11-08 22:22:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:22:38,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:38,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:38,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 150 states and 246 transitions. [2024-11-08 22:22:38,733 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 246 transitions. [2024-11-08 22:22:38,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:22:38,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:38,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 22:22:39,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:39,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 151 states and 246 transitions. [2024-11-08 22:22:39,214 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 246 transitions. [2024-11-08 22:22:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:22:39,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:39,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:39,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 153 states and 247 transitions. [2024-11-08 22:22:39,793 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 247 transitions. [2024-11-08 22:22:39,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:22:39,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:39,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 125 states and 191 transitions. [2024-11-08 22:22:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 191 transitions. [2024-11-08 22:22:40,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:22:40,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:40,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:40,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:40,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:40,668 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 41 iterations. [2024-11-08 22:22:40,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:22:40 ImpRootNode [2024-11-08 22:22:40,718 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:22:40,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:22:40,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:22:40,719 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:22:40,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:09" (3/4) ... [2024-11-08 22:22:40,721 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:22:40,810 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:22:40,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:22:40,815 INFO L158 Benchmark]: Toolchain (without parser) took 32436.87ms. Allocated memory was 123.7MB in the beginning and 262.1MB in the end (delta: 138.4MB). Free memory was 83.8MB in the beginning and 154.6MB in the end (delta: -70.8MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:40,819 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:40,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.42ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 64.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:22:40,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.02ms. Allocated memory is still 123.7MB. Free memory was 64.5MB in the beginning and 62.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:40,824 INFO L158 Benchmark]: Boogie Preprocessor took 30.28ms. Allocated memory is still 123.7MB. Free memory was 62.1MB in the beginning and 60.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:40,824 INFO L158 Benchmark]: RCFGBuilder took 561.10ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 60.8MB in the beginning and 103.1MB in the end (delta: -42.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-08 22:22:40,825 INFO L158 Benchmark]: CodeCheck took 31109.09ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 103.1MB in the beginning and 156.7MB in the end (delta: -53.6MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2024-11-08 22:22:40,826 INFO L158 Benchmark]: Witness Printer took 95.48ms. Allocated memory is still 262.1MB. Free memory was 156.7MB in the beginning and 154.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:40,831 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, 40 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 31.0s, OverallIterations: 41, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5500 SdHoareTripleChecker+Valid, 33.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5116 mSDsluCounter, 1022 SdHoareTripleChecker+Invalid, 28.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 886 mSDsCounter, 3542 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17542 IncrementalHoareTripleChecker+Invalid, 21084 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3542 mSolverCounterUnsat, 136 mSDtfsCounter, 17542 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4180 GetRequests, 3679 SyntacticMatches, 133 SemanticMatches, 368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70219 ImplicationChecksByTransitivity, 25.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 452 NumberOfCodeBlocks, 452 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 1202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 27 PerfectInterpolantSequences, 53/116 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: [L530] int length1 = __VERIFIER_nondet_int(); [L531] int length2 = __VERIFIER_nondet_int(); [L532] COND FALSE !(length1 < 1) [L535] COND TRUE length2 < 1 [L536] length2 = 1 [L538] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L539] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L541] int i = 0; VAL [i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L541] EXPR length1 - 1 VAL [i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L541] COND FALSE !(i < length1 - 1) VAL [length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L546] int i = 0; VAL [i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L546] EXPR length2 - 1 VAL [i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L546] COND FALSE !(i < length2 - 1) VAL [length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L551] EXPR length1-1 [L551] nondetString1[length1-1] = '\0' VAL [length2=1, nondetString1={3:0}, nondetString2={2:0}] [L552] EXPR length2-1 [L552] nondetString2[length2-1] = '\0' [L553] CALL cstrncmp(nondetString1,nondetString2,__VERIFIER_nondet_int()) [L516] unsigned char uc1, uc2; VAL [n=-2147483648, s1={3:0}, s2={2:0}] [L517] COND FALSE !(n == 0) VAL [n=-2147483648, s1={3:0}, s2={2:0}] [L519] n-- VAL [s1={3:0}, s2={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.42ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 64.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.02ms. Allocated memory is still 123.7MB. Free memory was 64.5MB in the beginning and 62.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.28ms. Allocated memory is still 123.7MB. Free memory was 62.1MB in the beginning and 60.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.10ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 60.8MB in the beginning and 103.1MB in the end (delta: -42.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * CodeCheck took 31109.09ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 103.1MB in the beginning and 156.7MB in the end (delta: -53.6MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Witness Printer took 95.48ms. Allocated memory is still 262.1MB. Free memory was 156.7MB in the beginning and 154.6MB 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 22:22:40,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563dbe2c-86b7-4b1a-83f3-82f30f65175c/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(OVERFLOW)