./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/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_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:51,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:51,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:40:51,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:40:51,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:40:51,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:51,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:51,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:51,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:51,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:51,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:51,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:51,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:51,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:51,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:51,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:51,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:51,306 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:51,307 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:51,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:51,308 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:51,309 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:51,309 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:51,310 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:51,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:51,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:51,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:51,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:51,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:51,313 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:40:51,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:40:51,314 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:51,314 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_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 [2023-11-21 18:40:51,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:51,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:51,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:51,623 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:51,624 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:51,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2023-11-21 18:40:54,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:54,978 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:54,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2023-11-21 18:40:54,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/data/9325ebe13/d5ac566960454587bf6ae419a7e6ddde/FLAG54231b815 [2023-11-21 18:40:55,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/data/9325ebe13/d5ac566960454587bf6ae419a7e6ddde [2023-11-21 18:40:55,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:55,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:55,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:55,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:55,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:55,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc73ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55, skipping insertion in model container [2023-11-21 18:40:55,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,039 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:55,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:55,196 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:55,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:55,221 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:55,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55 WrapperNode [2023-11-21 18:40:55,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:55,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:55,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:55,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:55,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,255 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-11-21 18:40:55,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:55,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:55,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:55,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:55,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:55,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:55,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:55,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:55,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:55,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:55,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:55,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064da9c8-1a0b-4ff8-a6fb-72c980a32c13/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:55,452 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:55,455 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:55,615 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:55,640 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:55,641 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:40:55,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:55 BoogieIcfgContainer [2023-11-21 18:40:55,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:55,644 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:55,645 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:55,656 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:55,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:55" (1/1) ... [2023-11-21 18:40:55,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-21 18:40:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-21 18:40:55,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:40:55,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:55,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:55,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-21 18:40:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-21 18:40:55,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:40:55,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:55,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:56,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:56,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:56,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-21 18:40:56,089 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-21 18:40:56,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:40:56,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:56,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:56,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:56,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-21 18:40:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-21 18:40:56,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:40:56,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:56,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:56,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-11-21 18:40:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-11-21 18:40:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:56,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:56,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:57,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2023-11-21 18:40:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2023-11-21 18:40:57,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:57,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:57,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:57,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:57,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2023-11-21 18:40:57,871 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2023-11-21 18:40:57,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:40:57,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:57,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:58,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:58,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2023-11-21 18:40:58,657 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2023-11-21 18:40:58,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:40:58,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:58,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:58,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:58,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2023-11-21 18:40:58,959 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2023-11-21 18:40:58,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:40:58,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:58,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:00,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:00,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 61 states and 112 transitions. [2023-11-21 18:41:00,228 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2023-11-21 18:41:00,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:41:00,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:00,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:00,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:00,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2023-11-21 18:41:00,477 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2023-11-21 18:41:00,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:41:00,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:00,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:01,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:01,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 67 states and 127 transitions. [2023-11-21 18:41:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2023-11-21 18:41:01,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:41:01,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:01,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:02,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 140 transitions. [2023-11-21 18:41:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 140 transitions. [2023-11-21 18:41:02,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:41:02,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:02,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 78 states and 157 transitions. [2023-11-21 18:41:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 157 transitions. [2023-11-21 18:41:04,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:41:04,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:04,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:06,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:06,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 86 states and 177 transitions. [2023-11-21 18:41:06,945 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 177 transitions. [2023-11-21 18:41:06,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:41:06,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:06,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:06,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:07,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 87 states and 180 transitions. [2023-11-21 18:41:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 180 transitions. [2023-11-21 18:41:07,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:41:07,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:07,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:07,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 92 states and 196 transitions. [2023-11-21 18:41:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 196 transitions. [2023-11-21 18:41:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:41:08,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:08,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:08,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:09,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 98 states and 220 transitions. [2023-11-21 18:41:09,547 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 220 transitions. [2023-11-21 18:41:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:41:09,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:09,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:11,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:11,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 103 states and 237 transitions. [2023-11-21 18:41:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 237 transitions. [2023-11-21 18:41:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:41:11,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:11,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:41:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 108 states and 243 transitions. [2023-11-21 18:41:13,067 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 243 transitions. [2023-11-21 18:41:13,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:41:13,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:13,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:41:13,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 111 states and 250 transitions. [2023-11-21 18:41:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 250 transitions. [2023-11-21 18:41:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:41:13,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:13,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:41:16,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:16,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 119 states and 265 transitions. [2023-11-21 18:41:16,449 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 265 transitions. [2023-11-21 18:41:16,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:41:16,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:16,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 130 states and 289 transitions. [2023-11-21 18:41:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 289 transitions. [2023-11-21 18:41:20,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:41:20,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:20,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:20,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:21,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:21,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 132 states and 298 transitions. [2023-11-21 18:41:21,206 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 298 transitions. [2023-11-21 18:41:21,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:41:21,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:21,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 138 states and 306 transitions. [2023-11-21 18:41:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 306 transitions. [2023-11-21 18:41:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:41:23,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:23,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:23,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:23,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:23,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 140 states and 309 transitions. [2023-11-21 18:41:23,816 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 309 transitions. [2023-11-21 18:41:23,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:41:23,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:23,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:41:24,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:24,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 143 states and 313 transitions. [2023-11-21 18:41:24,548 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 313 transitions. [2023-11-21 18:41:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:41:24,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:24,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:24,581 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:25,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:25,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 145 states and 318 transitions. [2023-11-21 18:41:25,364 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 318 transitions. [2023-11-21 18:41:25,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:41:25,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:25,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:25,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 147 states and 321 transitions. [2023-11-21 18:41:25,790 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 321 transitions. [2023-11-21 18:41:25,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:25,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:25,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:27,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 150 states and 335 transitions. [2023-11-21 18:41:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 335 transitions. [2023-11-21 18:41:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:27,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:27,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:29,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 155 states and 353 transitions. [2023-11-21 18:41:29,285 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 353 transitions. [2023-11-21 18:41:29,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:29,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:29,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:30,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 158 states and 361 transitions. [2023-11-21 18:41:30,725 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 361 transitions. [2023-11-21 18:41:30,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:30,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 160 states and 365 transitions. [2023-11-21 18:41:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 365 transitions. [2023-11-21 18:41:31,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:31,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:31,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:31,627 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:31,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 161 states and 369 transitions. [2023-11-21 18:41:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 369 transitions. [2023-11-21 18:41:31,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:31,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:31,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,036 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 161 states and 368 transitions. [2023-11-21 18:41:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 368 transitions. [2023-11-21 18:41:32,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:32,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:34,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:34,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 164 states and 374 transitions. [2023-11-21 18:41:34,348 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 374 transitions. [2023-11-21 18:41:34,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:34,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:34,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:41:35,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:35,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 164 states and 373 transitions. [2023-11-21 18:41:35,115 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 373 transitions. [2023-11-21 18:41:35,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:35,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:35,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:38,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 170 states and 386 transitions. [2023-11-21 18:41:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 386 transitions. [2023-11-21 18:41:38,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:38,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:38,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:38,057 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:39,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:39,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 174 states and 393 transitions. [2023-11-21 18:41:39,088 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 393 transitions. [2023-11-21 18:41:39,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:39,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:39,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:41:39,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:39,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 176 states and 396 transitions. [2023-11-21 18:41:39,571 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 396 transitions. [2023-11-21 18:41:39,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:39,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:39,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:43,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 184 states and 429 transitions. [2023-11-21 18:41:43,442 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 429 transitions. [2023-11-21 18:41:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:43,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:41:44,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 185 states and 433 transitions. [2023-11-21 18:41:44,436 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 433 transitions. [2023-11-21 18:41:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:44,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:44,461 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:41:45,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:45,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 189 states and 445 transitions. [2023-11-21 18:41:45,455 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 445 transitions. [2023-11-21 18:41:45,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:45,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:45,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:41:46,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:46,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 193 states and 458 transitions. [2023-11-21 18:41:46,874 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 458 transitions. [2023-11-21 18:41:46,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:46,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:46,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.