./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC --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 26441cee42562e2fd703b97b1a86d2baa847af9810285d31267fccda11d2ea67 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:33,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:33,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:27:33,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:33,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:33,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:33,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:33,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:33,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:33,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:33,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:33,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:33,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:33,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:33,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:33,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:33,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:33,972 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:33,973 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:33,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:33,974 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:33,974 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:33,975 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:33,975 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:33,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:33,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:33,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:33,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:33,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:33,978 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:33,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:33,979 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:33,979 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_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26441cee42562e2fd703b97b1a86d2baa847af9810285d31267fccda11d2ea67 [2023-11-23 20:27:34,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:34,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:34,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:34,270 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:34,271 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:34,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-restricted-15/NO_04.c [2023-11-23 20:27:37,401 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:37,685 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:37,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/sv-benchmarks/c/termination-restricted-15/NO_04.c [2023-11-23 20:27:37,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/data/08a7b9e4c/b06aa191ba6c4e6092f78fdecfbc60f4/FLAG94a10ad4e [2023-11-23 20:27:37,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/data/08a7b9e4c/b06aa191ba6c4e6092f78fdecfbc60f4 [2023-11-23 20:27:37,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:37,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:37,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:37,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:37,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:37,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:37" (1/1) ... [2023-11-23 20:27:37,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7f5904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:37, skipping insertion in model container [2023-11-23 20:27:37,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:37" (1/1) ... [2023-11-23 20:27:37,766 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:37,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:37,986 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:38,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:38,020 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:38,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38 WrapperNode [2023-11-23 20:27:38,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:38,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:38,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:38,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:38,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,067 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73 [2023-11-23 20:27:38,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:38,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:38,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:38,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:38,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:38,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:38,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:38,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:38,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:38,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:38,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:38,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:38,274 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:38,276 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:38,518 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:38,546 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:38,546 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 20:27:38,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:38 BoogieIcfgContainer [2023-11-23 20:27:38,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:38,549 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:38,550 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:38,561 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:38,561 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:38" (1/1) ... [2023-11-23 20:27:38,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2023-11-23 20:27:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-23 20:27:38,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:27:38,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:38,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:38,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 69 states and 74 transitions. [2023-11-23 20:27:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2023-11-23 20:27:38,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:27:38,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:38,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:38,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:39,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:39,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 72 states and 78 transitions. [2023-11-23 20:27:39,035 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2023-11-23 20:27:39,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:27:39,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:39,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:39,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:39,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2023-11-23 20:27:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2023-11-23 20:27:39,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:27:39,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:39,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:39,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2023-11-23 20:27:39,394 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2023-11-23 20:27:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:27:39,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:39,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:39,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 94 transitions. [2023-11-23 20:27:39,571 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2023-11-23 20:27:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:27:39,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:39,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:39,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:39,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:39,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 101 transitions. [2023-11-23 20:27:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2023-11-23 20:27:39,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:27:39,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:39,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 82 states and 100 transitions. [2023-11-23 20:27:40,002 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2023-11-23 20:27:40,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:27:40,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:40,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:40,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:40,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:40,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2023-11-23 20:27:40,055 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2023-11-23 20:27:40,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:27:40,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:40,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:40,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:40,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2023-11-23 20:27:40,105 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2023-11-23 20:27:40,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:27:40,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:40,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:27:40,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:40,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-11-23 20:27:40,217 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-11-23 20:27:40,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:27:40,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:40,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 90 states and 111 transitions. [2023-11-23 20:27:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 111 transitions. [2023-11-23 20:27:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:27:40,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:40,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:40,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:40,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:40,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 95 states and 119 transitions. [2023-11-23 20:27:40,911 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2023-11-23 20:27:40,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:27:40,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:40,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:41,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 102 states and 132 transitions. [2023-11-23 20:27:41,323 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 132 transitions. [2023-11-23 20:27:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:27:41,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:41,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 105 states and 139 transitions. [2023-11-23 20:27:41,466 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions. [2023-11-23 20:27:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:27:41,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:27:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 108 states and 147 transitions. [2023-11-23 20:27:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 147 transitions. [2023-11-23 20:27:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:27:41,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:41,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:27:41,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 111 states and 156 transitions. [2023-11-23 20:27:41,980 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 156 transitions. [2023-11-23 20:27:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:27:41,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:42,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:42,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 113 states and 160 transitions. [2023-11-23 20:27:42,392 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 160 transitions. [2023-11-23 20:27:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:27:42,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:42,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:42,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:42,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 114 states and 162 transitions. [2023-11-23 20:27:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2023-11-23 20:27:42,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:27:42,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:42,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:42,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:43,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 119 states and 172 transitions. [2023-11-23 20:27:43,388 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 172 transitions. [2023-11-23 20:27:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:27:43,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:27:43,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 121 states and 176 transitions. [2023-11-23 20:27:43,432 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 176 transitions. [2023-11-23 20:27:43,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:27:43,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:43,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 120 states and 175 transitions. [2023-11-23 20:27:43,648 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 175 transitions. [2023-11-23 20:27:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:27:43,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 122 states and 177 transitions. [2023-11-23 20:27:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2023-11-23 20:27:43,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:27:43,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:27:43,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 123 states and 180 transitions. [2023-11-23 20:27:43,933 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2023-11-23 20:27:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:27:43,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:27:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:44,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 127 states and 183 transitions. [2023-11-23 20:27:44,143 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2023-11-23 20:27:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:27:44,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:44,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:27:44,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:44,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 132 states and 189 transitions. [2023-11-23 20:27:44,575 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 189 transitions. [2023-11-23 20:27:44,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:27:44,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:44,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:27:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 135 states and 198 transitions. [2023-11-23 20:27:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 198 transitions. [2023-11-23 20:27:44,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:27:44,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:44,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:45,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:45,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 141 states and 209 transitions. [2023-11-23 20:27:45,470 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 209 transitions. [2023-11-23 20:27:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:27:45,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:45,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:46,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:46,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 148 states and 220 transitions. [2023-11-23 20:27:46,159 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 220 transitions. [2023-11-23 20:27:46,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:46,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:46,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:46,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 149 states and 222 transitions. [2023-11-23 20:27:46,482 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 222 transitions. [2023-11-23 20:27:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:46,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:46,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:46,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:46,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 152 states and 233 transitions. [2023-11-23 20:27:46,981 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 233 transitions. [2023-11-23 20:27:46,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:46,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:46,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 159 states and 244 transitions. [2023-11-23 20:27:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 244 transitions. [2023-11-23 20:27:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:27:47,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:47,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 162 states and 249 transitions. [2023-11-23 20:27:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 249 transitions. [2023-11-23 20:27:47,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:27:47,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:47,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 164 states and 252 transitions. [2023-11-23 20:27:48,240 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 252 transitions. [2023-11-23 20:27:48,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:27:48,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:48,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:27:48,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:48,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 173 states and 264 transitions. [2023-11-23 20:27:48,987 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 264 transitions. [2023-11-23 20:27:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:27:48,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:48,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 177 states and 270 transitions. [2023-11-23 20:27:49,716 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 270 transitions. [2023-11-23 20:27:49,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:27:49,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:49,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:27:50,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:50,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 179 states and 273 transitions. [2023-11-23 20:27:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 273 transitions. [2023-11-23 20:27:50,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:27:50,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:50,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:27:50,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:50,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 188 states and 284 transitions. [2023-11-23 20:27:50,679 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 284 transitions. [2023-11-23 20:27:50,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:27:50,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:50,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:50,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 194 states and 298 transitions. [2023-11-23 20:27:52,323 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 298 transitions. [2023-11-23 20:27:52,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:27:52,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:52,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:54,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 201 states and 313 transitions. [2023-11-23 20:27:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 313 transitions. [2023-11-23 20:27:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:27:54,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:54,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:54,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 202 states and 315 transitions. [2023-11-23 20:27:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 315 transitions. [2023-11-23 20:27:54,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:27:54,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:54,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:54,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 204 states and 317 transitions. [2023-11-23 20:27:54,689 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 317 transitions. [2023-11-23 20:27:54,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:54,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:54,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:54,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 206 states and 319 transitions. [2023-11-23 20:27:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 319 transitions. [2023-11-23 20:27:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:27:54,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:54,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:54,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:56,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:56,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 217 states and 340 transitions. [2023-11-23 20:27:56,902 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 340 transitions. [2023-11-23 20:27:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:27:56,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:56,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 216 states and 339 transitions. [2023-11-23 20:27:57,177 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 339 transitions. [2023-11-23 20:27:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:27:57,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:57,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:57,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 228 states and 369 transitions. [2023-11-23 20:27:59,446 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 369 transitions. [2023-11-23 20:27:59,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:27:59,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:59,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:59,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:00,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 231 states and 376 transitions. [2023-11-23 20:28:00,141 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 376 transitions. [2023-11-23 20:28:00,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:28:00,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:00,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:00,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:00,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 233 states and 379 transitions. [2023-11-23 20:28:00,966 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 379 transitions. [2023-11-23 20:28:00,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:28:00,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:00,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:28:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:01,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 235 states and 380 transitions. [2023-11-23 20:28:01,722 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 380 transitions. [2023-11-23 20:28:01,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:28:01,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:01,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:02,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:02,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 236 states and 381 transitions. [2023-11-23 20:28:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 381 transitions. [2023-11-23 20:28:02,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:28:02,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:02,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 238 states and 384 transitions. [2023-11-23 20:28:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 384 transitions. [2023-11-23 20:28:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:28:02,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:02,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:03,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 239 states and 385 transitions. [2023-11-23 20:28:03,384 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 385 transitions. [2023-11-23 20:28:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:28:03,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:03,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:03,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:28:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2023-11-23 20:28:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2023-11-23 20:28:03,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:28:03,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:03,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:03,842 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:28:04,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:04,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2023-11-23 20:28:04,217 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-23 20:28:04,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:28:04,218 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 54 iterations. [2023-11-23 20:28:04,232 INFO L751 CodeCheckObserver]: All specifications hold 30 specifications checked. All of them hold [2023-11-23 20:28:04,510 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-11-23 20:28:04,516 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-11-23 20:28:04,519 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-11-23 20:28:04,521 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-11-23 20:28:04,522 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-11-23 20:28:04,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:28:04 ImpRootNode [2023-11-23 20:28:04,529 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:28:04,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:28:04,529 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:28:04,530 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:28:04,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:38" (3/4) ... [2023-11-23 20:28:04,532 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:28:04,545 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-23 20:28:04,546 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:28:04,546 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 20:28:04,688 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:28:04,689 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:28:04,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:28:04,690 INFO L158 Benchmark]: Toolchain (without parser) took 26963.92ms. Allocated memory was 165.7MB in the beginning and 312.5MB in the end (delta: 146.8MB). Free memory was 134.2MB in the beginning and 136.7MB in the end (delta: -2.4MB). Peak memory consumption was 146.0MB. Max. memory is 16.1GB. [2023-11-23 20:28:04,690 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:28:04,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.46ms. Allocated memory is still 165.7MB. Free memory was 133.9MB in the beginning and 124.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:28:04,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.63ms. Allocated memory is still 165.7MB. Free memory was 124.0MB in the beginning and 122.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:28:04,691 INFO L158 Benchmark]: Boogie Preprocessor took 38.36ms. Allocated memory is still 165.7MB. Free memory was 122.6MB in the beginning and 121.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:28:04,691 INFO L158 Benchmark]: RCFGBuilder took 441.20ms. Allocated memory is still 165.7MB. Free memory was 121.3MB in the beginning and 107.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:28:04,692 INFO L158 Benchmark]: CodeCheck took 25979.32ms. Allocated memory was 165.7MB in the beginning and 312.5MB in the end (delta: 146.8MB). Free memory was 107.7MB in the beginning and 141.9MB in the end (delta: -34.3MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. [2023-11-23 20:28:04,692 INFO L158 Benchmark]: Witness Printer took 159.75ms. Allocated memory is still 312.5MB. Free memory was 141.9MB in the beginning and 136.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:28:04,694 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, 67 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 25.6s, OverallIterations: 54, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10592 SdHoareTripleChecker+Valid, 35.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10069 mSDsluCounter, 2591 SdHoareTripleChecker+Invalid, 29.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2191 mSDsCounter, 2807 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27565 IncrementalHoareTripleChecker+Invalid, 30372 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2807 mSolverCounterUnsat, 400 mSDtfsCounter, 27565 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7504 GetRequests, 6722 SyntacticMatches, 402 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80945 ImplicationChecksByTransitivity, 21.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 968 NumberOfCodeBlocks, 968 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 915 ConstructedInterpolants, 0 QuantifiedInterpolants, 2836 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 53 PerfectInterpolantSequences, 75/75 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: 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 - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((i <= 0) && (0 <= i)) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (((((0 <= m) && (m < 1000)) && (0 <= l)) || (((1000 <= m) && (m <= 1003)) && (0 <= l))) || (((1003 < m) && (0 <= l)) && (m <= 2147483647))) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((((0 <= (i + j)) && (i <= 0)) && ((i + j) <= 0)) && (0 <= i)) && ((2 + j) <= a)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((i + j) + k) <= 3) && (0 <= (i + j))) && (i <= 0)) && (0 <= i)) && (3 <= k)) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((((((((0 <= ((i + j) + k)) && (0 <= (i + j))) && ((((i + j) + k) + l) <= 3)) && (0 <= j)) && ((i + j) <= 0)) && (l <= 0)) && (0 <= l)) && ((l + 4) <= b)) && (j <= 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.46ms. Allocated memory is still 165.7MB. Free memory was 133.9MB in the beginning and 124.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.63ms. Allocated memory is still 165.7MB. Free memory was 124.0MB in the beginning and 122.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.36ms. Allocated memory is still 165.7MB. Free memory was 122.6MB in the beginning and 121.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.20ms. Allocated memory is still 165.7MB. Free memory was 121.3MB in the beginning and 107.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 25979.32ms. Allocated memory was 165.7MB in the beginning and 312.5MB in the end (delta: 146.8MB). Free memory was 107.7MB in the beginning and 141.9MB in the end (delta: -34.3MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. * Witness Printer took 159.75ms. Allocated memory is still 312.5MB. Free memory was 141.9MB in the beginning and 136.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:28:04,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11129e4a-d89f-46fc-9d51-6eb9bbfbbbc1/bin/ukojak-verify-1t5iHCbJaC/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