./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/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_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:52,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:52,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:28:52,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:52,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:52,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:52,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:52,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:52,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:52,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:52,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:52,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:52,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:52,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:52,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:52,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:52,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:52,614 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:28:52,614 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:28:52,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:52,615 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:52,616 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:52,616 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:52,617 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:52,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:52,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:52,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:52,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:52,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:52,620 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:52,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:52,622 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:52,622 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_3ea57c8f-c794-48e4-bb79-3b6db94778ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 [2023-11-19 03:28:52,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:52,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:52,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:52,990 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:52,991 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:52,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2023-11-19 03:28:56,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:56,582 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:56,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2023-11-19 03:28:56,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL/data/8f8c10eba/5496d45f6a7648aa897aa5a5b202a4c5/FLAGa419f65bd [2023-11-19 03:28:56,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL/data/8f8c10eba/5496d45f6a7648aa897aa5a5b202a4c5 [2023-11-19 03:28:56,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:56,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:56,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:56,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:56,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:56,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:56,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f0275f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56, skipping insertion in model container [2023-11-19 03:28:56,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:56,673 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:56,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:56,920 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:56,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:56,951 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:56,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56 WrapperNode [2023-11-19 03:28:56,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:56,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:56,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:56,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:56,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:56,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:56,988 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-11-19 03:28:56,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:56,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:56,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:56,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:57,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:57,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:57,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:57,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:57,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:57,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:57,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:57,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:57,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:57,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:57,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:57,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:57,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:56" (1/1) ... [2023-11-19 03:28:57,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:57,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:57,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:57,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea57c8f-c794-48e4-bb79-3b6db94778ca/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:57,249 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:57,251 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:57,467 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:57,509 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:57,510 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:28:57,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:57 BoogieIcfgContainer [2023-11-19 03:28:57,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:57,519 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:57,519 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:57,532 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:57,533 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:57" (1/1) ... [2023-11-19 03:28:57,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:57,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:57,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-19 03:28:57,635 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-19 03:28:57,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:28:57,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:57,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:57,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:57,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-19 03:28:57,953 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-19 03:28:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:28:57,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:57,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:58,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:58,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-19 03:28:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-19 03:28:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:28:58,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:58,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:58,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:58,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-19 03:28:58,462 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-19 03:28:58,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:28:58,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:58,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:58,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:58,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:58,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-11-19 03:28:58,742 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-11-19 03:28:58,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:28:58,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:58,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:59,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2023-11-19 03:28:59,360 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2023-11-19 03:28:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:28:59,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:59,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:00,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2023-11-19 03:29:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2023-11-19 03:29:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:29:00,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:00,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:00,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:01,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:01,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2023-11-19 03:29:01,122 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2023-11-19 03:29:01,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:29:01,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:01,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:01,190 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 03:29:01,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2023-11-19 03:29:01,536 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2023-11-19 03:29:01,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:29:01,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:01,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:02,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 61 states and 112 transitions. [2023-11-19 03:29:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2023-11-19 03:29:02,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:29:02,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:03,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:03,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2023-11-19 03:29:03,253 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2023-11-19 03:29:03,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:29:03,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:03,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:04,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:04,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 67 states and 127 transitions. [2023-11-19 03:29:04,092 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2023-11-19 03:29:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:29:04,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:04,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:04,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:05,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 140 transitions. [2023-11-19 03:29:05,318 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 140 transitions. [2023-11-19 03:29:05,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:29:05,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:05,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:05,542 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 03:29:07,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:07,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 78 states and 157 transitions. [2023-11-19 03:29:07,330 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 157 transitions. [2023-11-19 03:29:07,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:29:07,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:07,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:07,599 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 03:29:10,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:10,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 86 states and 177 transitions. [2023-11-19 03:29:10,256 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 177 transitions. [2023-11-19 03:29:10,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:29:10,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:10,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:10,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:11,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:11,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 91 states and 193 transitions. [2023-11-19 03:29:11,300 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 193 transitions. [2023-11-19 03:29:11,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:29:11,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:11,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:11,369 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 03:29:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:11,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 92 states and 196 transitions. [2023-11-19 03:29:11,646 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 196 transitions. [2023-11-19 03:29:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:29:11,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:11,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:12,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 98 states and 220 transitions. [2023-11-19 03:29:13,158 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 220 transitions. [2023-11-19 03:29:13,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:29:13,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:13,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:13,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:15,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 103 states and 237 transitions. [2023-11-19 03:29:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 237 transitions. [2023-11-19 03:29:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:29:15,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:15,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:29:16,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 107 states and 242 transitions. [2023-11-19 03:29:16,790 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 242 transitions. [2023-11-19 03:29:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:29:16,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:16,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:29:17,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:17,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 108 states and 243 transitions. [2023-11-19 03:29:17,106 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 243 transitions. [2023-11-19 03:29:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:29:17,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:17,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:29:17,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 111 states and 250 transitions. [2023-11-19 03:29:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 250 transitions. [2023-11-19 03:29:17,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:29:17,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:17,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:29:20,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 119 states and 265 transitions. [2023-11-19 03:29:20,815 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 265 transitions. [2023-11-19 03:29:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:29:20,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:20,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:24,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:24,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 129 states and 290 transitions. [2023-11-19 03:29:24,811 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 290 transitions. [2023-11-19 03:29:24,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:29:24,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:24,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:25,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 132 states and 298 transitions. [2023-11-19 03:29:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 298 transitions. [2023-11-19 03:29:25,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:29:25,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:25,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:25,688 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 138 states and 306 transitions. [2023-11-19 03:29:27,495 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 306 transitions. [2023-11-19 03:29:27,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:29:27,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:27,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:28,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:28,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 140 states and 309 transitions. [2023-11-19 03:29:28,281 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 309 transitions. [2023-11-19 03:29:28,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:29:28,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:28,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:29:29,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:29,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 143 states and 313 transitions. [2023-11-19 03:29:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 313 transitions. [2023-11-19 03:29:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:29:29,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:29,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:30,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 145 states and 318 transitions. [2023-11-19 03:29:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 318 transitions. [2023-11-19 03:29:30,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:29:30,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:30,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:30,073 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 147 states and 321 transitions. [2023-11-19 03:29:30,453 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 321 transitions. [2023-11-19 03:29:30,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:29:30,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:30,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:32,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 152 states and 339 transitions. [2023-11-19 03:29:32,164 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 339 transitions. [2023-11-19 03:29:32,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:29:32,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:32,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:33,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:33,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 155 states and 346 transitions. [2023-11-19 03:29:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 346 transitions. [2023-11-19 03:29:33,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:29:33,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:33,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:33,421 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 03:29:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:35,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 158 states and 358 transitions. [2023-11-19 03:29:35,394 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 358 transitions. [2023-11-19 03:29:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:29:35,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:35,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:35,428 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 03:29:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 159 states and 361 transitions. [2023-11-19 03:29:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 361 transitions. [2023-11-19 03:29:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:29:36,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:36,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:38,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 162 states and 367 transitions. [2023-11-19 03:29:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 367 transitions. [2023-11-19 03:29:38,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:29:38,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:38,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:29:39,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:39,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 162 states and 366 transitions. [2023-11-19 03:29:39,083 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 366 transitions. [2023-11-19 03:29:39,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:29:39,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:39,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:39,840 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:42,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 168 states and 379 transitions. [2023-11-19 03:29:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 379 transitions. [2023-11-19 03:29:42,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:29:42,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:42,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:43,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 172 states and 386 transitions. [2023-11-19 03:29:43,412 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 386 transitions. [2023-11-19 03:29:43,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:29:43,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:43,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:29:43,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 174 states and 389 transitions. [2023-11-19 03:29:43,903 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 389 transitions. [2023-11-19 03:29:43,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:29:43,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:43,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:29:44,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 175 states and 393 transitions. [2023-11-19 03:29:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 393 transitions. [2023-11-19 03:29:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:29:44,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:44,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.