./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark24_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark24_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c3b9571ba66fa4feec822ae5ad361f0264abe6d66c7b617817aa135932aee0a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:40,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:40,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:56:40,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:40,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:40,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:40,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:40,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:40,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:40,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:40,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:40,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:40,364 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:40,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:40,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:40,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:40,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:40,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:40,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:40,368 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:56:40,369 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:56:40,370 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:40,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:40,372 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:40,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:40,373 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:40,373 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:40,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:40,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:40,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:40,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:40,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:40,377 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:40,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:40,378 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:40,378 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_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c3b9571ba66fa4feec822ae5ad361f0264abe6d66c7b617817aa135932aee0a [2023-11-19 02:56:40,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:40,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:40,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:40,677 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:40,678 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:40,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-zilu/benchmark24_conjunctive.i [2023-11-19 02:56:43,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:43,954 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:43,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/sv-benchmarks/c/loop-zilu/benchmark24_conjunctive.i [2023-11-19 02:56:43,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/data/5a3a3216d/d68793c20b9446efa4385790cab83b68/FLAG95f6365b3 [2023-11-19 02:56:43,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/data/5a3a3216d/d68793c20b9446efa4385790cab83b68 [2023-11-19 02:56:43,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:43,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:43,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:43,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:43,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:43,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:43" (1/1) ... [2023-11-19 02:56:43,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1515cc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:43, skipping insertion in model container [2023-11-19 02:56:43,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:43" (1/1) ... [2023-11-19 02:56:44,014 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:44,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:44,233 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:44,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:44,268 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:44,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44 WrapperNode [2023-11-19 02:56:44,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:44,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:44,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:44,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:44,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44" (1/1) ... [2023-11-19 02:56:44,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44" (1/1) ... [2023-11-19 02:56:44,306 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2023-11-19 02:56:44,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:44,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:44,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:44,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:44,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44" (1/1) ... [2023-11-19 02:56:44,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44" (1/1) ... [2023-11-19 02:56:44,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44" (1/1) ... [2023-11-19 02:56:44,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44" (1/1) ... [2023-11-19 02:56:44,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44" (1/1) ... [2023-11-19 02:56:44,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44" (1/1) ... [2023-11-19 02:56:44,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44" (1/1) ... [2023-11-19 02:56:44,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44" (1/1) ... [2023-11-19 02:56:44,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:44,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:44,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:44,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:44,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44" (1/1) ... [2023-11-19 02:56:44,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:44,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:44,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:44,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00cf81ea-d545-41af-9191-8c5722a2186d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:44,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:44,492 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:44,495 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:44,717 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:44,755 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:44,755 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:56:44,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:44 BoogieIcfgContainer [2023-11-19 02:56:44,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:44,761 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:44,761 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:44,776 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:44,776 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:44" (1/1) ... [2023-11-19 02:56:44,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:44,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2023-11-19 02:56:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-11-19 02:56:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:56:44,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:44,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:45,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2023-11-19 02:56:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-11-19 02:56:45,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:56:45,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:45,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-19 02:56:45,193 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-19 02:56:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:56:45,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:45,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:45,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2023-11-19 02:56:45,438 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-19 02:56:45,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:56:45,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:45,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:45,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2023-11-19 02:56:45,730 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-19 02:56:45,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:56:45,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:45,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:46,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:46,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2023-11-19 02:56:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2023-11-19 02:56:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:56:46,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:46,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:46,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:46,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2023-11-19 02:56:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2023-11-19 02:56:46,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:56:46,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:46,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2023-11-19 02:56:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2023-11-19 02:56:47,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:56:47,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:47,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:47,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2023-11-19 02:56:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2023-11-19 02:56:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:56:48,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:48,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:48,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:49,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:49,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2023-11-19 02:56:49,631 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2023-11-19 02:56:49,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:56:49,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:49,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:50,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 55 states and 97 transitions. [2023-11-19 02:56:50,303 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 97 transitions. [2023-11-19 02:56:50,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:56:50,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:50,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:51,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 62 states and 116 transitions. [2023-11-19 02:56:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 116 transitions. [2023-11-19 02:56:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:56:51,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:51,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 68 states and 130 transitions. [2023-11-19 02:56:53,421 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 130 transitions. [2023-11-19 02:56:53,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:56:53,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:53,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:56:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:53,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 70 states and 133 transitions. [2023-11-19 02:56:53,721 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 133 transitions. [2023-11-19 02:56:53,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:56:53,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:53,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:54,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:54,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2023-11-19 02:56:54,648 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2023-11-19 02:56:54,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:56:54,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:54,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:54,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:54,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 149 transitions. [2023-11-19 02:56:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2023-11-19 02:56:54,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:56:54,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:54,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:56:56,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:56,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 83 states and 157 transitions. [2023-11-19 02:56:56,142 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 157 transitions. [2023-11-19 02:56:56,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:56:56,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:56,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:57,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:57,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 88 states and 168 transitions. [2023-11-19 02:56:57,191 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 168 transitions. [2023-11-19 02:56:57,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:56:57,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:57,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:57,554 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:59,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:59,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 96 states and 178 transitions. [2023-11-19 02:56:59,102 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 178 transitions. [2023-11-19 02:56:59,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:56:59,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:59,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 100 states and 187 transitions. [2023-11-19 02:57:00,143 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 187 transitions. [2023-11-19 02:57:00,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:57:00,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:00,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 107 states and 213 transitions. [2023-11-19 02:57:02,162 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 213 transitions. [2023-11-19 02:57:02,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:57:02,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:02,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:02,273 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:57:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 108 states and 218 transitions. [2023-11-19 02:57:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 218 transitions. [2023-11-19 02:57:02,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:57:02,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:02,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:02,829 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:57:03,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:03,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 111 states and 224 transitions. [2023-11-19 02:57:03,644 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 224 transitions. [2023-11-19 02:57:03,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:57:03,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:03,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 116 states and 242 transitions. [2023-11-19 02:57:05,011 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 242 transitions. [2023-11-19 02:57:05,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:57:05,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:05,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:05,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:05,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 117 states and 244 transitions. [2023-11-19 02:57:05,425 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 244 transitions. [2023-11-19 02:57:05,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:57:05,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:05,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:05,450 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:05,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:05,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 118 states and 247 transitions. [2023-11-19 02:57:05,951 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 247 transitions. [2023-11-19 02:57:05,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:57:05,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:05,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:05,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:57:07,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 125 states and 258 transitions. [2023-11-19 02:57:07,772 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 258 transitions. [2023-11-19 02:57:07,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:57:07,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:07,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:08,306 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:10,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:10,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 134 states and 274 transitions. [2023-11-19 02:57:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 274 transitions. [2023-11-19 02:57:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:57:10,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:10,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:12,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:12,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 137 states and 277 transitions. [2023-11-19 02:57:12,543 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 277 transitions. [2023-11-19 02:57:12,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:57:12,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:12,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:13,079 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:15,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 144 states and 309 transitions. [2023-11-19 02:57:15,225 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 309 transitions. [2023-11-19 02:57:15,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:57:15,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:15,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:16,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:16,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 145 states and 313 transitions. [2023-11-19 02:57:16,509 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 313 transitions. [2023-11-19 02:57:16,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:57:16,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:16,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:16,626 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 149 states and 318 transitions. [2023-11-19 02:57:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 318 transitions. [2023-11-19 02:57:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:57:17,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:17,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:19,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:19,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 153 states and 322 transitions. [2023-11-19 02:57:19,203 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 322 transitions. [2023-11-19 02:57:19,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:57:19,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:19,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:20,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:20,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 157 states and 326 transitions. [2023-11-19 02:57:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 326 transitions. [2023-11-19 02:57:20,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:57:20,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:20,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:20,293 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 02:57:20,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:20,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 158 states and 332 transitions. [2023-11-19 02:57:20,865 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 332 transitions. [2023-11-19 02:57:20,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:57:20,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:20,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:20,891 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 02:57:21,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 158 states and 330 transitions. [2023-11-19 02:57:21,497 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 330 transitions. [2023-11-19 02:57:21,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:57:21,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:21,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:57:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:22,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 162 states and 335 transitions. [2023-11-19 02:57:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 335 transitions. [2023-11-19 02:57:22,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:57:22,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:22,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:22,855 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:57:24,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:24,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 165 states and 340 transitions. [2023-11-19 02:57:24,036 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 340 transitions. [2023-11-19 02:57:24,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:57:24,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:24,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:24,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:26,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 170 states and 364 transitions. [2023-11-19 02:57:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 364 transitions. [2023-11-19 02:57:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:57:26,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:26,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:57:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:27,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 173 states and 371 transitions. [2023-11-19 02:57:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 371 transitions. [2023-11-19 02:57:27,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:57:27,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:27,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:29,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:29,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 177 states and 380 transitions. [2023-11-19 02:57:29,996 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 380 transitions. [2023-11-19 02:57:29,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:57:29,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:29,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:31,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:31,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 180 states and 383 transitions. [2023-11-19 02:57:31,763 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 383 transitions. [2023-11-19 02:57:31,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:57:31,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:31,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:32,497 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 187 states and 423 transitions. [2023-11-19 02:57:35,213 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 423 transitions. [2023-11-19 02:57:35,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:57:35,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:35,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.