./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:28:50,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:28:50,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:28:50,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:28:50,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:28:50,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:28:50,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:28:50,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:28:50,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:28:50,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:28:50,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:28:50,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:28:50,284 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:28:50,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:28:50,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:28:50,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:28:50,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:28:50,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:28:50,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:28:50,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:28:50,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:28:50,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:28:50,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:28:50,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:28:50,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:28:50,285 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:28:50,286 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:28:50,286 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:28:50,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:28:50,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:28:50,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:28:50,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:28:50,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:28:50,286 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:28:50,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:28:50,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 [2024-11-13 21:28:50,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:28:50,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:28:50,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:28:50,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:28:50,620 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:28:50,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i Unable to find full path for "g++" [2024-11-13 21:28:52,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:28:52,864 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:28:52,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2024-11-13 21:28:52,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/data/e0b393db1/df1b5b5afe5c4f0799cc28b2e23cbb67/FLAGecd60f7d4 [2024-11-13 21:28:52,894 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/data/e0b393db1/df1b5b5afe5c4f0799cc28b2e23cbb67 [2024-11-13 21:28:52,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:28:52,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:28:52,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:28:52,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:28:52,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:28:52,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:28:52" (1/1) ... [2024-11-13 21:28:52,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0a121d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:52, skipping insertion in model container [2024-11-13 21:28:52,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:28:52" (1/1) ... [2024-11-13 21:28:52,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:28:53,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:28:53,222 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:28:53,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:28:53,299 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:28:53,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:53 WrapperNode [2024-11-13 21:28:53,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:28:53,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:28:53,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:28:53,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:28:53,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:53" (1/1) ... [2024-11-13 21:28:53,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:53" (1/1) ... [2024-11-13 21:28:53,350 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 129 [2024-11-13 21:28:53,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:28:53,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:28:53,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:28:53,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:28:53,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:53" (1/1) ... [2024-11-13 21:28:53,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:53" (1/1) ... [2024-11-13 21:28:53,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:53" (1/1) ... [2024-11-13 21:28:53,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:53" (1/1) ... [2024-11-13 21:28:53,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:53" (1/1) ... [2024-11-13 21:28:53,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:53" (1/1) ... [2024-11-13 21:28:53,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:53" (1/1) ... [2024-11-13 21:28:53,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:53" (1/1) ... [2024-11-13 21:28:53,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:28:53,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:28:53,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:28:53,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:28:53,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:28:53" (1/1) ... [2024-11-13 21:28:53,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:28:53,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:28:53,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:28:53,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:28:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:28:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:28:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:28:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:28:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:28:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:28:53,616 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:28:53,619 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:28:53,944 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-13 21:28:53,944 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:28:54,031 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:28:54,031 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:28:54,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:54 BoogieIcfgContainer [2024-11-13 21:28:54,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:28:54,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:28:54,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:28:54,049 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:28:54,049 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:54" (1/1) ... [2024-11-13 21:28:54,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:28:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:54,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2024-11-13 21:28:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2024-11-13 21:28:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:28:54,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:54,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2024-11-13 21:28:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2024-11-13 21:28:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:28:54,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:54,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2024-11-13 21:28:54,646 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2024-11-13 21:28:54,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:28:54,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:54,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2024-11-13 21:28:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2024-11-13 21:28:55,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:28:55,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:55,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:55,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:55,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2024-11-13 21:28:55,567 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2024-11-13 21:28:55,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:28:55,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:55,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:55,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 53 states and 72 transitions. [2024-11-13 21:28:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2024-11-13 21:28:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:28:55,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:55,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:55,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:56,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:56,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 59 states and 84 transitions. [2024-11-13 21:28:56,339 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2024-11-13 21:28:56,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:28:56,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:56,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:56,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:56,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 60 states and 85 transitions. [2024-11-13 21:28:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2024-11-13 21:28:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:28:56,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:56,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:56,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:57,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2024-11-13 21:28:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2024-11-13 21:28:57,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:28:57,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:57,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:57,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 68 states and 99 transitions. [2024-11-13 21:28:57,863 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2024-11-13 21:28:57,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:28:57,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:57,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:58,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 74 states and 110 transitions. [2024-11-13 21:28:58,510 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2024-11-13 21:28:58,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:28:58,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:58,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:58,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:58,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 75 states and 113 transitions. [2024-11-13 21:28:58,574 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-11-13 21:28:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:28:58,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:58,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:59,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:59,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 124 transitions. [2024-11-13 21:28:59,369 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2024-11-13 21:28:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:28:59,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:59,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:59,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 80 states and 125 transitions. [2024-11-13 21:28:59,632 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 125 transitions. [2024-11-13 21:28:59,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:28:59,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:59,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:28:59,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:28:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2024-11-13 21:28:59,878 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2024-11-13 21:28:59,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:28:59,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:28:59,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:28:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:59,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:00,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:00,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 89 states and 139 transitions. [2024-11-13 21:29:00,810 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 139 transitions. [2024-11-13 21:29:00,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:29:00,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:00,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:01,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 90 states and 141 transitions. [2024-11-13 21:29:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2024-11-13 21:29:01,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:29:01,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:01,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:29:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:02,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 95 states and 151 transitions. [2024-11-13 21:29:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 151 transitions. [2024-11-13 21:29:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:29:02,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:02,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:03,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:03,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 100 states and 168 transitions. [2024-11-13 21:29:03,689 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 168 transitions. [2024-11-13 21:29:03,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:29:03,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:03,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:03,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:29:04,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:04,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 102 states and 171 transitions. [2024-11-13 21:29:04,000 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 171 transitions. [2024-11-13 21:29:04,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:29:04,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:04,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:04,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:04,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 171 transitions. [2024-11-13 21:29:04,286 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 171 transitions. [2024-11-13 21:29:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:29:04,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:04,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:29:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:04,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2024-11-13 21:29:04,638 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2024-11-13 21:29:04,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:29:04,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:04,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:04,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 106 states and 172 transitions. [2024-11-13 21:29:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 172 transitions. [2024-11-13 21:29:04,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:29:04,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:04,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:04,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:05,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 110 states and 176 transitions. [2024-11-13 21:29:05,549 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions. [2024-11-13 21:29:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:29:05,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:05,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:06,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:06,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 114 states and 183 transitions. [2024-11-13 21:29:06,422 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 183 transitions. [2024-11-13 21:29:06,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:29:06,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:06,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:29:07,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:07,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 192 transitions. [2024-11-13 21:29:07,623 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2024-11-13 21:29:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:29:07,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:07,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:07,644 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:29:08,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:08,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 120 states and 192 transitions. [2024-11-13 21:29:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 192 transitions. [2024-11-13 21:29:08,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:29:08,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:08,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:29:08,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:08,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 122 states and 193 transitions. [2024-11-13 21:29:08,954 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 193 transitions. [2024-11-13 21:29:08,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:29:08,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:08,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:29:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2024-11-13 21:29:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2024-11-13 21:29:09,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:29:09,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:09,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:09,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:10,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:10,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 128 states and 198 transitions. [2024-11-13 21:29:10,296 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 198 transitions. [2024-11-13 21:29:10,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:29:10,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:10,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:10,347 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:29:11,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:11,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 130 states and 202 transitions. [2024-11-13 21:29:11,279 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 202 transitions. [2024-11-13 21:29:11,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:29:11,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:11,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 134 states and 213 transitions. [2024-11-13 21:29:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2024-11-13 21:29:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:29:12,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:12,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:12,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:13,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 135 states and 214 transitions. [2024-11-13 21:29:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 214 transitions. [2024-11-13 21:29:13,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:29:13,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:13,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 137 states and 216 transitions. [2024-11-13 21:29:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 216 transitions. [2024-11-13 21:29:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:29:13,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:13,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:13,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:29:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:14,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 142 states and 226 transitions. [2024-11-13 21:29:14,805 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2024-11-13 21:29:14,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:29:14,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:14,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:16,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 147 states and 243 transitions. [2024-11-13 21:29:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 243 transitions. [2024-11-13 21:29:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:29:16,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:16,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:16,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:29:17,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 149 states and 246 transitions. [2024-11-13 21:29:17,271 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 246 transitions. [2024-11-13 21:29:17,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:29:17,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:17,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:17,349 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 150 states and 246 transitions. [2024-11-13 21:29:17,768 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 246 transitions. [2024-11-13 21:29:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:29:17,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:17,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:29:18,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:18,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 151 states and 246 transitions. [2024-11-13 21:29:18,135 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 246 transitions. [2024-11-13 21:29:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:29:18,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:18,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:18,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:18,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 153 states and 247 transitions. [2024-11-13 21:29:18,646 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 247 transitions. [2024-11-13 21:29:18,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:29:18,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:18,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:19,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 125 states and 191 transitions. [2024-11-13 21:29:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 191 transitions. [2024-11-13 21:29:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:29:19,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:19,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:29:19,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:29:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:29:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:29:19,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:29:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:29:19,288 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 41 iterations. [2024-11-13 21:29:19,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:29:19 ImpRootNode [2024-11-13 21:29:19,317 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:29:19,318 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:29:19,318 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:29:19,318 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:29:19,319 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:28:54" (3/4) ... [2024-11-13 21:29:19,320 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:29:19,362 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:29:19,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:29:19,363 INFO L158 Benchmark]: Toolchain (without parser) took 26464.92ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 91.9MB in the beginning and 96.6MB in the end (delta: -4.7MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2024-11-13 21:29:19,364 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:29:19,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.73ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 74.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:29:19,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.10ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 72.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:29:19,365 INFO L158 Benchmark]: Boogie Preprocessor took 48.41ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:29:19,365 INFO L158 Benchmark]: RCFGBuilder took 628.05ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 52.9MB in the end (delta: 18.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:29:19,366 INFO L158 Benchmark]: CodeCheck took 25283.84ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 52.9MB in the beginning and 98.8MB in the end (delta: -45.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-13 21:29:19,366 INFO L158 Benchmark]: Witness Printer took 44.62ms. Allocated memory is still 218.1MB. Free memory was 98.8MB in the beginning and 96.6MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:29:19,368 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: 25.2s, 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, 27.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5116 mSDsluCounter, 1022 SdHoareTripleChecker+Invalid, 23.3s 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, 4186 GetRequests, 3685 SyntacticMatches, 133 SemanticMatches, 368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70219 ImplicationChecksByTransitivity, 20.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s 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 0.45ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.73ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 74.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.10ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 72.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.41ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 71.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 628.05ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 52.9MB in the end (delta: 18.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 25283.84ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 52.9MB in the beginning and 98.8MB in the end (delta: -45.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 44.62ms. Allocated memory is still 218.1MB. Free memory was 98.8MB in the beginning and 96.6MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:29:19,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d876f518-7cfa-4078-b1a8-567869f9e964/bin/ukojak-verify-EEHR8qb7sm/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)