./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.10.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4036e0056477b4442ec4a799960d03c7e149261f5dcf8c079ae548d48df77b04 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:06,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:06,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:07:06,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:06,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:06,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:06,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:06,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:06,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:06,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:06,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:06,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:06,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:06,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:06,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:06,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:06,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:06,906 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:07:06,906 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:07:06,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:06,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:06,908 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:06,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:06,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:06,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:06,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:06,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:06,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:06,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:06,911 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:06,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:06,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:06,913 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_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4036e0056477b4442ec4a799960d03c7e149261f5dcf8c079ae548d48df77b04 [2023-11-19 03:07:07,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:07,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:07,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:07,261 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:07,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:07,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-restricted-15/b.10.c [2023-11-19 03:07:10,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:10,536 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:10,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/sv-benchmarks/c/termination-restricted-15/b.10.c [2023-11-19 03:07:10,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/data/3ec8a9675/81ecd2c64950475290cc2243e4de5412/FLAG39a7ecf37 [2023-11-19 03:07:10,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/data/3ec8a9675/81ecd2c64950475290cc2243e4de5412 [2023-11-19 03:07:10,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:10,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:10,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:10,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:10,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:10,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fafcf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10, skipping insertion in model container [2023-11-19 03:07:10,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,594 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:10,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:10,745 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:10,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:10,771 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:10,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10 WrapperNode [2023-11-19 03:07:10,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:10,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:10,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:10,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:10,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,803 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-11-19 03:07:10,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:10,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:10,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:10,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:10,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:10,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:10,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:10,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:10,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:10" (1/1) ... [2023-11-19 03:07:10,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:10,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:10,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:10,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:11,000 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:11,002 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:11,213 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:11,233 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:11,234 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:07:11,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:11 BoogieIcfgContainer [2023-11-19 03:07:11,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:11,239 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:11,240 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:11,249 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:11,249 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:11" (1/1) ... [2023-11-19 03:07:11,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:11,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:11,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-19 03:07:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-19 03:07:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:07:11,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:11,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:11,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2023-11-19 03:07:11,513 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-11-19 03:07:11,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:07:11,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:11,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:11,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:11,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2023-11-19 03:07:11,702 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-11-19 03:07:11,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:07:11,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:11,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2023-11-19 03:07:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2023-11-19 03:07:11,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:07:11,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:11,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:11,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:12,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2023-11-19 03:07:12,029 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2023-11-19 03:07:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:07:12,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:12,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:12,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2023-11-19 03:07:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2023-11-19 03:07:12,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:07:12,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:12,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:12,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2023-11-19 03:07:12,530 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2023-11-19 03:07:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:07:12,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:12,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:13,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:13,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2023-11-19 03:07:13,153 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-11-19 03:07:13,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:07:13,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:13,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 62 states and 83 transitions. [2023-11-19 03:07:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2023-11-19 03:07:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:07:14,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:14,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2023-11-19 03:07:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-11-19 03:07:15,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:07:15,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:15,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:15,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2023-11-19 03:07:16,131 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2023-11-19 03:07:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:07:16,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:16,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2023-11-19 03:07:16,293 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-11-19 03:07:16,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:07:16,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:16,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:16,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 106 transitions. [2023-11-19 03:07:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2023-11-19 03:07:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:07:18,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:18,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 80 states and 108 transitions. [2023-11-19 03:07:18,828 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 108 transitions. [2023-11-19 03:07:18,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:07:18,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:18,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:20,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:20,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 85 states and 117 transitions. [2023-11-19 03:07:20,063 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2023-11-19 03:07:20,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:07:20,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:20,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:20,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:20,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:20,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 93 states and 131 transitions. [2023-11-19 03:07:20,785 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 131 transitions. [2023-11-19 03:07:20,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:07:20,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:20,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:20,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:21,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 92 states and 130 transitions. [2023-11-19 03:07:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2023-11-19 03:07:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:07:21,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:21,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:22,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 98 states and 140 transitions. [2023-11-19 03:07:22,302 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2023-11-19 03:07:22,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:07:22,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:22,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:23,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:23,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 100 states and 143 transitions. [2023-11-19 03:07:23,169 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2023-11-19 03:07:23,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:07:23,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:23,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:23,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 103 states and 147 transitions. [2023-11-19 03:07:23,941 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2023-11-19 03:07:23,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:07:23,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:23,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:24,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:24,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 104 states and 148 transitions. [2023-11-19 03:07:24,982 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 148 transitions. [2023-11-19 03:07:24,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:07:24,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:24,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:27,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 116 states and 165 transitions. [2023-11-19 03:07:27,560 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2023-11-19 03:07:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:07:27,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:27,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:28,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 119 states and 168 transitions. [2023-11-19 03:07:28,548 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2023-11-19 03:07:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:07:28,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:28,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:29,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:29,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 163 transitions. [2023-11-19 03:07:29,732 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2023-11-19 03:07:29,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:07:29,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:29,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:07:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 118 states and 162 transitions. [2023-11-19 03:07:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 162 transitions. [2023-11-19 03:07:30,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:07:30,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:30,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:30,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:30,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 118 states and 161 transitions. [2023-11-19 03:07:30,959 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 161 transitions. [2023-11-19 03:07:30,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:07:30,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:30,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:07:31,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 121 states and 164 transitions. [2023-11-19 03:07:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2023-11-19 03:07:31,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:07:31,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:31,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:07:33,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 127 states and 172 transitions. [2023-11-19 03:07:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 172 transitions. [2023-11-19 03:07:33,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:07:33,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:33,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:33,228 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:07:34,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:34,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 129 states and 175 transitions. [2023-11-19 03:07:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 175 transitions. [2023-11-19 03:07:34,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:07:34,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:34,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:36,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 132 states and 179 transitions. [2023-11-19 03:07:36,370 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 179 transitions. [2023-11-19 03:07:36,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:07:36,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:36,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:36,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:37,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 134 states and 180 transitions. [2023-11-19 03:07:37,338 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 180 transitions. [2023-11-19 03:07:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:07:37,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:37,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 129 states and 174 transitions. [2023-11-19 03:07:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 174 transitions. [2023-11-19 03:07:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:07:37,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:37,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:37,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2023-11-19 03:07:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2023-11-19 03:07:37,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:07:37,863 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2023-11-19 03:07:37,872 INFO L751 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2023-11-19 03:07:38,499 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:07:38,502 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-19 03:07:38,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:07:38 ImpRootNode [2023-11-19 03:07:38,508 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:07:38,508 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:07:38,508 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:07:38,508 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:07:38,509 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:11" (3/4) ... [2023-11-19 03:07:38,511 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:07:38,518 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:07:38,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:07:38,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:07:38,624 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:07:38,629 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:07:38,629 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:07:38,630 INFO L158 Benchmark]: Toolchain (without parser) took 28062.89ms. Allocated memory was 157.3MB in the beginning and 272.6MB in the end (delta: 115.3MB). Free memory was 127.2MB in the beginning and 191.9MB in the end (delta: -64.7MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2023-11-19 03:07:38,630 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:38,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.95ms. Allocated memory is still 157.3MB. Free memory was 126.7MB in the beginning and 117.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:07:38,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.83ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 116.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:38,632 INFO L158 Benchmark]: Boogie Preprocessor took 27.71ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 114.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:38,632 INFO L158 Benchmark]: RCFGBuilder took 405.59ms. Allocated memory is still 157.3MB. Free memory was 114.6MB in the beginning and 103.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:07:38,633 INFO L158 Benchmark]: CodeCheck took 27268.35ms. Allocated memory was 157.3MB in the beginning and 272.6MB in the end (delta: 115.3MB). Free memory was 103.1MB in the beginning and 197.1MB in the end (delta: -94.0MB). Peak memory consumption was 119.4MB. Max. memory is 16.1GB. [2023-11-19 03:07:38,634 INFO L158 Benchmark]: Witness Printer took 121.18ms. Allocated memory is still 272.6MB. Free memory was 197.1MB in the beginning and 191.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:07:38,636 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, 34 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 26.6s, OverallIterations: 33, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5403 SdHoareTripleChecker+Valid, 16.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4428 mSDsluCounter, 2535 SdHoareTripleChecker+Invalid, 13.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1634 mSDsCounter, 2005 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11031 IncrementalHoareTripleChecker+Invalid, 13036 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2005 mSolverCounterUnsat, 901 mSDtfsCounter, 11031 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4341 GetRequests, 3785 SyntacticMatches, 180 SemanticMatches, 376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68340 ImplicationChecksByTransitivity, 23.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 512 NumberOfCodeBlocks, 512 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 1502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 30 PerfectInterpolantSequences, 56/66 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 - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((((0 <= (x + 2147483648)) && ((y + 2147483648) < 0)) && ((x + 1) <= 0)) || ((((x <= 2147483647) && (0 <= (x + 2147483648))) && (0 <= (y + 2147483648))) && (y <= 2147483647))) || (((x <= 2147483647) && (0 < (x + 1))) && (2147483647 < y))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.95ms. Allocated memory is still 157.3MB. Free memory was 126.7MB in the beginning and 117.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.83ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 116.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.71ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 114.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.59ms. Allocated memory is still 157.3MB. Free memory was 114.6MB in the beginning and 103.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 27268.35ms. Allocated memory was 157.3MB in the beginning and 272.6MB in the end (delta: 115.3MB). Free memory was 103.1MB in the beginning and 197.1MB in the end (delta: -94.0MB). Peak memory consumption was 119.4MB. Max. memory is 16.1GB. * Witness Printer took 121.18ms. Allocated memory is still 272.6MB. Free memory was 197.1MB in the beginning and 191.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:07:38,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c1b4da-9dff-475c-aea2-ccf1febb4bc9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE