./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:42:32,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:32,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:42:32,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:42:32,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:42:32,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:32,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:42:32,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:42:32,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:32,880 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:32,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:32,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:42:32,882 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:42:32,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:42:32,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:42:32,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:32,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:42:32,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:32,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:42:32,915 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:42:32,916 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:42:32,916 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:42:32,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:42:32,917 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:32,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:32,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:32,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:32,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:32,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:32,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:32,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:32,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:42:32,923 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:42:32,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:42:32,923 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:42:32,924 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_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a [2023-11-21 18:42:33,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:33,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:33,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:33,337 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:33,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:33,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2023-11-21 18:42:36,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:42:36,654 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:42:36,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2023-11-21 18:42:36,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/data/d1c560926/4ae09c8b2023491bad98820859f4114b/FLAG03e37dfda [2023-11-21 18:42:36,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/data/d1c560926/4ae09c8b2023491bad98820859f4114b [2023-11-21 18:42:36,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:42:36,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:42:36,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:36,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:42:36,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:42:36,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:36,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3456b7f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36, skipping insertion in model container [2023-11-21 18:42:36,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:36,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:42:36,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:36,941 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:42:36,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:36,974 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:42:36,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36 WrapperNode [2023-11-21 18:42:36,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:36,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:36,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:42:36,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:42:36,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:36,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:37,012 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-21 18:42:37,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:37,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:42:37,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:42:37,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:42:37,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:37,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:37,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:37,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:37,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:37,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:37,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:37,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:37,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:42:37,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:42:37,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:42:37,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:42:37,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:36" (1/1) ... [2023-11-21 18:42:37,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:37,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:42:37,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:42:37,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14606294-755b-430b-9093-d0dc6a50fab8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:42:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:42:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:42:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:42:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:42:37,202 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:42:37,205 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:42:37,352 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:42:37,398 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:42:37,399 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:42:37,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:37 BoogieIcfgContainer [2023-11-21 18:42:37,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:42:37,402 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:42:37,402 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:42:37,413 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:42:37,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:37" (1/1) ... [2023-11-21 18:42:37,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:42:37,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-21 18:42:37,482 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-21 18:42:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:42:37,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:37,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:37,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:37,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-21 18:42:37,852 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-21 18:42:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:42:37,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:37,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-11-21 18:42:38,025 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-11-21 18:42:38,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:42:38,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:38,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:38,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-21 18:42:38,331 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-21 18:42:38,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:42:38,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:38,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:38,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:38,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2023-11-21 18:42:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2023-11-21 18:42:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:42:38,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:38,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:39,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:39,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-21 18:42:39,489 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-21 18:42:39,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:42:39,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:39,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:39,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2023-11-21 18:42:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2023-11-21 18:42:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:42:40,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:40,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:40,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:40,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-11-21 18:42:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-11-21 18:42:40,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:42:40,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:40,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:41,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2023-11-21 18:42:41,014 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2023-11-21 18:42:41,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:42:41,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:41,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2023-11-21 18:42:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2023-11-21 18:42:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:42:41,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:41,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:42,045 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 51 states and 81 transitions. [2023-11-21 18:42:42,645 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 81 transitions. [2023-11-21 18:42:42,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:42:42,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:42,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:43,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2023-11-21 18:42:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2023-11-21 18:42:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:42:43,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:43,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:43,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 59 states and 97 transitions. [2023-11-21 18:42:43,697 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 97 transitions. [2023-11-21 18:42:43,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:42:43,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:43,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:45,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2023-11-21 18:42:45,237 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2023-11-21 18:42:45,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:42:45,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:45,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:46,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:46,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 116 transitions. [2023-11-21 18:42:46,695 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 116 transitions. [2023-11-21 18:42:46,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:42:46,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:46,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:46,971 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 72 states and 119 transitions. [2023-11-21 18:42:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 119 transitions. [2023-11-21 18:42:47,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:42:47,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:47,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:47,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:48,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 77 states and 134 transitions. [2023-11-21 18:42:48,095 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 134 transitions. [2023-11-21 18:42:48,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:42:48,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:48,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:48,935 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:50,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 82 states and 140 transitions. [2023-11-21 18:42:50,411 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 140 transitions. [2023-11-21 18:42:50,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:42:50,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:50,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 105 states and 178 transitions. [2023-11-21 18:42:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 178 transitions. [2023-11-21 18:42:55,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:42:55,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:55,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 108 states and 182 transitions. [2023-11-21 18:42:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 182 transitions. [2023-11-21 18:42:57,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:42:57,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:57,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:58,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:58,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 113 states and 200 transitions. [2023-11-21 18:42:58,766 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 200 transitions. [2023-11-21 18:42:58,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:42:58,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:58,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:03,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 118 states and 208 transitions. [2023-11-21 18:43:03,280 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 208 transitions. [2023-11-21 18:43:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:43:03,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:03,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:04,916 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:08,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:08,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 125 states and 237 transitions. [2023-11-21 18:43:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 237 transitions. [2023-11-21 18:43:08,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:43:08,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:08,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:08,967 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:09,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 126 states and 239 transitions. [2023-11-21 18:43:09,590 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 239 transitions. [2023-11-21 18:43:09,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:43:09,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:09,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:10,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 128 states and 241 transitions. [2023-11-21 18:43:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 241 transitions. [2023-11-21 18:43:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:43:10,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:10,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:12,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 133 states and 262 transitions. [2023-11-21 18:43:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 262 transitions. [2023-11-21 18:43:12,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:43:12,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:12,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:12,798 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:13,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 266 transitions. [2023-11-21 18:43:13,982 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 266 transitions. [2023-11-21 18:43:13,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:43:13,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:13,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:16,155 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:19,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 141 states and 276 transitions. [2023-11-21 18:43:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 276 transitions. [2023-11-21 18:43:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:43:19,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:19,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:20,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:20,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 142 states and 276 transitions. [2023-11-21 18:43:20,824 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 276 transitions. [2023-11-21 18:43:20,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:43:20,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:20,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:23,302 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:27,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 149 states and 312 transitions. [2023-11-21 18:43:27,948 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 312 transitions. [2023-11-21 18:43:27,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:43:27,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:27,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat