./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7dc718442bb91da0bdb0fa6a159b603baccf5b9195c06341082ea90462d0b755 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:28:44,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:28:44,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:28:44,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:28:44,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:28:44,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:28:44,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:28:44,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:28:44,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:28:44,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:28:44,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:28:44,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:28:44,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:28:44,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:28:44,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:28:44,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:28:44,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:28:44,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:28:44,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:28:44,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:28:44,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:28:44,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:28:44,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:28:44,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:28:44,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:28:44,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:28:44,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:28:44,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:28:44,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:28:44,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:28:44,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:28:44,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:28:44,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:28:44,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:28:44,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:28:44,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:28:44,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:28:44,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:28:44,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:28:44,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:28:44,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:28:44,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:28:44,462 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:28:44,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:28:44,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:28:44,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:28:44,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:28:44,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:28:44,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:28:44,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:28:44,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:28:44,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:28:44,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:28:44,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:28:44,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:28:44,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:28:44,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:28:44,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:28:44,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:28:44,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:28:44,477 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:28:44,478 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:28:44,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:28:44,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:28:44,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:28:44,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:28:44,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:28:44,479 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:28:44,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:28:44,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:28:44,480 INFO L138 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_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dc718442bb91da0bdb0fa6a159b603baccf5b9195c06341082ea90462d0b755 [2021-11-23 01:28:44,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:28:44,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:28:44,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:28:44,794 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:28:44,795 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:28:44,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2021-11-23 01:28:44,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/data/d1afa7d61/42337b5405d44b4bba39a83e31ff5211/FLAG87d14042e [2021-11-23 01:28:45,835 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:28:45,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2021-11-23 01:28:45,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/data/d1afa7d61/42337b5405d44b4bba39a83e31ff5211/FLAG87d14042e [2021-11-23 01:28:46,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/data/d1afa7d61/42337b5405d44b4bba39a83e31ff5211 [2021-11-23 01:28:46,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:28:46,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:28:46,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:28:46,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:28:46,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:28:46,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:46" (1/1) ... [2021-11-23 01:28:46,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c05a6c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:46, skipping insertion in model container [2021-11-23 01:28:46,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:46" (1/1) ... [2021-11-23 01:28:46,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:28:46,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:28:47,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26861,26874] [2021-11-23 01:28:47,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33212,33225] [2021-11-23 01:28:47,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57844,57857] [2021-11-23 01:28:47,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65899,65912] [2021-11-23 01:28:47,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71726,71739] [2021-11-23 01:28:47,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82469,82482] [2021-11-23 01:28:47,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90414,90427] [2021-11-23 01:28:47,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97642,97655] [2021-11-23 01:28:47,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132349,132362] [2021-11-23 01:28:47,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[135477,135490] [2021-11-23 01:28:47,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[143490,143503] [2021-11-23 01:28:47,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[149294,149307] [2021-11-23 01:28:47,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[172040,172053] [2021-11-23 01:28:47,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199876,199889] [2021-11-23 01:28:47,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226429,226442] [2021-11-23 01:28:48,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[253730,253743] [2021-11-23 01:28:48,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[284837,284850] [2021-11-23 01:28:48,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:28:48,441 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:28:48,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26861,26874] [2021-11-23 01:28:48,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33212,33225] [2021-11-23 01:28:48,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57844,57857] [2021-11-23 01:28:48,685 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65899,65912] [2021-11-23 01:28:48,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71726,71739] [2021-11-23 01:28:48,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82469,82482] [2021-11-23 01:28:48,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90414,90427] [2021-11-23 01:28:48,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97642,97655] [2021-11-23 01:28:48,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132349,132362] [2021-11-23 01:28:48,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[135477,135490] [2021-11-23 01:28:48,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[143490,143503] [2021-11-23 01:28:48,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[149294,149307] [2021-11-23 01:28:48,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[172040,172053] [2021-11-23 01:28:49,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199876,199889] [2021-11-23 01:28:49,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226429,226442] [2021-11-23 01:28:49,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[253730,253743] [2021-11-23 01:28:49,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[284837,284850] [2021-11-23 01:28:49,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:28:49,487 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:28:49,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:49 WrapperNode [2021-11-23 01:28:49,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:28:49,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:28:49,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:28:49,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:28:49,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:49" (1/1) ... [2021-11-23 01:28:49,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:49" (1/1) ... [2021-11-23 01:28:49,855 INFO L137 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16832 [2021-11-23 01:28:49,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:28:49,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:28:49,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:28:49,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:28:49,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:49" (1/1) ... [2021-11-23 01:28:49,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:49" (1/1) ... [2021-11-23 01:28:49,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:49" (1/1) ... [2021-11-23 01:28:49,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:49" (1/1) ... [2021-11-23 01:28:50,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:49" (1/1) ... [2021-11-23 01:28:50,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:49" (1/1) ... [2021-11-23 01:28:50,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:49" (1/1) ... [2021-11-23 01:28:50,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:28:50,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:28:50,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:28:50,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:28:50,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:49" (1/1) ... [2021-11-23 01:28:50,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:28:50,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:28:50,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:28:50,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_498095b0-85b4-4078-bc31-986f81bf59ea/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:28:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:28:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:28:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:28:50,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:28:50,883 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:28:50,885 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:28:57,982 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:28:59,523 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:28:59,523 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:28:59,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:59 BoogieIcfgContainer [2021-11-23 01:28:59,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:28:59,533 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:28:59,533 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:28:59,543 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:28:59,543 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:59" (1/1) ... [2021-11-23 01:28:59,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:28:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:59,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6123 states to 3362 states and 6123 transitions. [2021-11-23 01:28:59,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3362 states and 6123 transitions. [2021-11-23 01:28:59,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:28:59,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:59,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4920 states to 2729 states and 4920 transitions. [2021-11-23 01:29:00,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 4920 transitions. [2021-11-23 01:29:00,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:29:00,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:00,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:01,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:01,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4926 states to 2733 states and 4926 transitions. [2021-11-23 01:29:01,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 4926 transitions. [2021-11-23 01:29:01,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:29:01,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:01,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:01,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4950 states to 2746 states and 4950 transitions. [2021-11-23 01:29:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 4950 transitions. [2021-11-23 01:29:01,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:29:01,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:01,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:03,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4966 states to 2755 states and 4966 transitions. [2021-11-23 01:29:03,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 4966 transitions. [2021-11-23 01:29:03,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:29:03,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:03,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:06,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5013 states to 2779 states and 5013 transitions. [2021-11-23 01:29:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 5013 transitions. [2021-11-23 01:29:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:29:06,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:06,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:07,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5051 states to 2799 states and 5051 transitions. [2021-11-23 01:29:10,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 5051 transitions. [2021-11-23 01:29:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:29:10,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:10,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:12,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5059 states to 2803 states and 5059 transitions. [2021-11-23 01:29:12,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 5059 transitions. [2021-11-23 01:29:12,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:29:12,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:12,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 2391 states and 4285 transitions. [2021-11-23 01:29:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 4285 transitions. [2021-11-23 01:29:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:29:16,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:16,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:23,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:23,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4332 states to 2415 states and 4332 transitions. [2021-11-23 01:29:23,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 4332 transitions. [2021-11-23 01:29:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:29:23,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:23,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:23,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 2423 states and 4347 transitions. [2021-11-23 01:29:26,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 4347 transitions. [2021-11-23 01:29:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:29:26,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:26,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4402 states to 2450 states and 4402 transitions. [2021-11-23 01:29:36,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 4402 transitions. [2021-11-23 01:29:36,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:29:36,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:36,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:38,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:52,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4438 states to 2468 states and 4438 transitions. [2021-11-23 01:29:52,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 4438 transitions. [2021-11-23 01:29:52,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:29:52,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:52,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:52,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:59,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4445 states to 2472 states and 4445 transitions. [2021-11-23 01:29:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 4445 transitions. [2021-11-23 01:29:59,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:29:59,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:59,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:02,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3735 states to 2092 states and 3735 transitions. [2021-11-23 01:30:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 3735 transitions. [2021-11-23 01:30:02,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:30:02,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:02,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:05,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3729 states to 2088 states and 3729 transitions. [2021-11-23 01:30:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 3729 transitions. [2021-11-23 01:30:23,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:30:23,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:23,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:26,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 1936 states and 3454 transitions. [2021-11-23 01:30:26,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 3454 transitions. [2021-11-23 01:30:26,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:30:26,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:26,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:28,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:36,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 1896 states and 3388 transitions. [2021-11-23 01:30:36,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 3388 transitions. [2021-11-23 01:30:36,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:30:36,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:36,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 1843 states and 3296 transitions. [2021-11-23 01:30:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3296 transitions. [2021-11-23 01:30:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:30:48,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:48,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:49,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:10,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 1843 states and 3295 transitions. [2021-11-23 01:31:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3295 transitions. [2021-11-23 01:31:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:31:11,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:11,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:37,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 1843 states and 3293 transitions. [2021-11-23 01:31:37,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3293 transitions. [2021-11-23 01:31:37,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:31:37,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:37,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:49,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 1843 states and 3291 transitions. [2021-11-23 01:31:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3291 transitions. [2021-11-23 01:31:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:31:49,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:49,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:22,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 1849 states and 3303 transitions. [2021-11-23 01:32:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 3303 transitions. [2021-11-23 01:32:22,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:32:22,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:22,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:22,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:37,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 1849 states and 3302 transitions. [2021-11-23 01:32:37,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 3302 transitions. [2021-11-23 01:32:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:32:37,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:37,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:57,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 1849 states and 3301 transitions. [2021-11-23 01:32:57,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 3301 transitions. [2021-11-23 01:32:57,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:32:57,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:57,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:21,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:21,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 1849 states and 3300 transitions. [2021-11-23 01:33:21,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 3300 transitions. [2021-11-23 01:33:21,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:33:21,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:21,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:21,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:27,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 1735 states and 3098 transitions. [2021-11-23 01:33:27,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 3098 transitions. [2021-11-23 01:33:27,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:33:27,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:27,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 1675 states and 3002 transitions. [2021-11-23 01:33:50,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3002 transitions. [2021-11-23 01:33:50,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:33:50,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:50,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 1675 states and 3001 transitions. [2021-11-23 01:34:25,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3001 transitions. [2021-11-23 01:34:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:34:25,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:25,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:26,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 1689 states and 3025 transitions. [2021-11-23 01:34:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 3025 transitions. [2021-11-23 01:34:43,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:34:43,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:43,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:51,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:51,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 1689 states and 3023 transitions. [2021-11-23 01:34:51,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 3023 transitions. [2021-11-23 01:34:51,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:34:51,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:51,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:57,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 1505 states and 2667 transitions. [2021-11-23 01:34:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2667 transitions. [2021-11-23 01:34:57,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:34:57,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:57,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:57,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 1505 states and 2666 transitions. [2021-11-23 01:35:07,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2666 transitions. [2021-11-23 01:35:07,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:35:07,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:07,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:39,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:39,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 1520 states and 2689 transitions. [2021-11-23 01:35:39,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 2689 transitions. [2021-11-23 01:35:39,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:35:39,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:39,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:39,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:46,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 1520 states and 2688 transitions. [2021-11-23 01:35:46,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 2688 transitions. [2021-11-23 01:35:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:35:46,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:46,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:51,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 1513 states and 2674 transitions. [2021-11-23 01:36:44,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2674 transitions. [2021-11-23 01:36:44,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:36:44,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:44,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:54,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 1528 states and 2703 transitions. [2021-11-23 01:36:54,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2703 transitions. [2021-11-23 01:36:54,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:36:54,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:54,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:57,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:57,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 1542 states and 2732 transitions. [2021-11-23 01:36:57,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2732 transitions. [2021-11-23 01:36:57,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:36:57,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:57,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:57,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 1556 states and 2760 transitions. [2021-11-23 01:36:57,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2760 transitions. [2021-11-23 01:36:57,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:36:57,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:57,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:46,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:46,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 1568 states and 2778 transitions. [2021-11-23 01:38:46,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2778 transitions. [2021-11-23 01:38:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:38:46,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:46,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 1568 states and 2777 transitions. [2021-11-23 01:38:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2777 transitions. [2021-11-23 01:38:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:38:53,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:53,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:53,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:56,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 1553 states and 2753 transitions. [2021-11-23 01:38:56,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2753 transitions. [2021-11-23 01:38:56,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:38:56,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:56,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:59,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:59,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 1568 states and 2784 transitions. [2021-11-23 01:38:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2784 transitions. [2021-11-23 01:38:59,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:38:59,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:59,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:10,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:10,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 1582 states and 2813 transitions. [2021-11-23 01:39:10,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2813 transitions. [2021-11-23 01:39:10,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:39:10,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:10,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:10,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:10,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 1583 states and 2814 transitions. [2021-11-23 01:39:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2814 transitions. [2021-11-23 01:39:10,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:39:10,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:10,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:10,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:10,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:10,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 1598 states and 2843 transitions. [2021-11-23 01:39:10,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2843 transitions. [2021-11-23 01:39:10,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:39:10,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:10,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:11,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 1536 states and 2725 transitions. [2021-11-23 01:39:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 2725 transitions. [2021-11-23 01:39:19,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:39:19,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:19,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:19,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 1530 states and 2712 transitions. [2021-11-23 01:39:19,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 2712 transitions. [2021-11-23 01:39:19,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:39:19,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:19,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:19,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:19,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:19,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 1530 states and 2711 transitions. [2021-11-23 01:39:19,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 2711 transitions. [2021-11-23 01:39:19,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:39:19,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:19,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:19,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:19,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:19,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 1537 states and 2725 transitions. [2021-11-23 01:39:19,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2725 transitions. [2021-11-23 01:39:19,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:39:19,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:19,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:19,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 1551 states and 2754 transitions. [2021-11-23 01:39:19,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2754 transitions. [2021-11-23 01:39:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:39:19,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:19,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:25,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.