./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN --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 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:38:56,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:38:56,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:38:56,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:38:56,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:38:56,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:38:56,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:38:56,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:38:56,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:38:56,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:38:56,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:38:56,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:38:56,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:38:56,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:38:56,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:38:56,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:38:56,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:38:56,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:38:56,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:38:56,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:38:56,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:38:56,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:38:56,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:38:56,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:38:56,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:38:56,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:38:56,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:38:56,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:38:56,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:38:56,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:38:56,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:38:56,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:38:56,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:38:56,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:38:56,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:38:56,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:38:56,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:38:56,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:38:56,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:38:56,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:38:56,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:38:56,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:38:56,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:38:56,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:38:56,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:38:56,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:38:56,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:38:56,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:38:56,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:38:56,359 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:38:56,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:38:56,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:38:56,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:38:56,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:38:56,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:38:56,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:38:56,362 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:38:56,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:38:56,363 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:38:56,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:38:56,364 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:38:56,364 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:38:56,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:38:56,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:38:56,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:38:56,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:38:56,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:38:56,366 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:38:56,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:38:56,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:38:56,366 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 [2021-11-21 05:38:56,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:38:56,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:38:56,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:38:56,813 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:38:56,815 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:38:56,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2021-11-21 05:38:56,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/data/f395cef53/0523000796254a808bd2dc2cfb4b4992/FLAGc650765ee [2021-11-21 05:38:57,456 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:38:57,457 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2021-11-21 05:38:57,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/data/f395cef53/0523000796254a808bd2dc2cfb4b4992/FLAGc650765ee [2021-11-21 05:38:57,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/data/f395cef53/0523000796254a808bd2dc2cfb4b4992 [2021-11-21 05:38:57,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:38:57,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:38:57,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:38:57,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:38:57,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:38:57,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:38:57" (1/1) ... [2021-11-21 05:38:57,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60246245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:57, skipping insertion in model container [2021-11-21 05:38:57,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:38:57" (1/1) ... [2021-11-21 05:38:57,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:38:57,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:38:58,238 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2021-11-21 05:38:58,244 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2021-11-21 05:38:58,249 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2021-11-21 05:38:58,259 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2021-11-21 05:38:58,265 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2021-11-21 05:38:58,269 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2021-11-21 05:38:58,276 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2021-11-21 05:38:58,280 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2021-11-21 05:38:58,284 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2021-11-21 05:38:58,287 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2021-11-21 05:38:58,296 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2021-11-21 05:38:58,300 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2021-11-21 05:38:58,304 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2021-11-21 05:38:58,308 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2021-11-21 05:38:58,318 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2021-11-21 05:38:58,320 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2021-11-21 05:38:58,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:38:58,353 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:38:58,382 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2021-11-21 05:38:58,385 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2021-11-21 05:38:58,391 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2021-11-21 05:38:58,402 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2021-11-21 05:38:58,404 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2021-11-21 05:38:58,409 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2021-11-21 05:38:58,419 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2021-11-21 05:38:58,422 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2021-11-21 05:38:58,426 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2021-11-21 05:38:58,429 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2021-11-21 05:38:58,433 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2021-11-21 05:38:58,435 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2021-11-21 05:38:58,440 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2021-11-21 05:38:58,443 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2021-11-21 05:38:58,449 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2021-11-21 05:38:58,452 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_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2021-11-21 05:38:58,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:38:58,488 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:38:58,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:58 WrapperNode [2021-11-21 05:38:58,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:38:58,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:38:58,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:38:58,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:38:58,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:58" (1/1) ... [2021-11-21 05:38:58,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:58" (1/1) ... [2021-11-21 05:38:58,570 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 192 [2021-11-21 05:38:58,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:38:58,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:38:58,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:38:58,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:38:58,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:58" (1/1) ... [2021-11-21 05:38:58,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:58" (1/1) ... [2021-11-21 05:38:58,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:58" (1/1) ... [2021-11-21 05:38:58,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:58" (1/1) ... [2021-11-21 05:38:58,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:58" (1/1) ... [2021-11-21 05:38:58,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:58" (1/1) ... [2021-11-21 05:38:58,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:58" (1/1) ... [2021-11-21 05:38:58,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:38:58,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:38:58,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:38:58,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:38:58,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:38:58" (1/1) ... [2021-11-21 05:38:58,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:38:58,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:38:58,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:38:58,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:38:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:38:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:38:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:38:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:38:58,872 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:38:58,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:38:59,185 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:38:59,203 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:38:59,203 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 05:38:59,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:38:59 BoogieIcfgContainer [2021-11-21 05:38:59,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:38:59,208 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:38:59,208 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:38:59,220 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:38:59,221 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:38:59" (1/1) ... [2021-11-21 05:38:59,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:38:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:59,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 58 states and 79 transitions. [2021-11-21 05:38:59,325 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2021-11-21 05:38:59,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:38:59,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:59,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:38:59,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:59,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2021-11-21 05:38:59,664 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2021-11-21 05:38:59,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:38:59,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:59,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:38:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:59,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2021-11-21 05:38:59,993 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2021-11-21 05:38:59,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:38:59,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:59,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 65 states and 90 transitions. [2021-11-21 05:39:00,380 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-11-21 05:39:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:39:00,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:00,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:00,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 68 states and 92 transitions. [2021-11-21 05:39:00,689 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2021-11-21 05:39:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:39:00,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:00,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:01,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2021-11-21 05:39:01,135 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2021-11-21 05:39:01,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:39:01,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:01,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:02,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 74 states and 103 transitions. [2021-11-21 05:39:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2021-11-21 05:39:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:39:02,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:02,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:03,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:03,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2021-11-21 05:39:03,011 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-11-21 05:39:03,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:39:03,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:03,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:04,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 80 states and 112 transitions. [2021-11-21 05:39:04,253 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2021-11-21 05:39:04,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:39:04,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:04,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:05,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:05,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 86 states and 117 transitions. [2021-11-21 05:39:05,238 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 117 transitions. [2021-11-21 05:39:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:39:05,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:05,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:05,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2021-11-21 05:39:06,953 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2021-11-21 05:39:06,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:39:06,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:06,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:07,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:09,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:09,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 96 states and 125 transitions. [2021-11-21 05:39:09,940 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-21 05:39:09,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:39:09,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:09,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:14,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 109 states and 148 transitions. [2021-11-21 05:39:14,159 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 148 transitions. [2021-11-21 05:39:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:39:14,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:14,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 114 states and 154 transitions. [2021-11-21 05:39:16,011 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2021-11-21 05:39:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:39:16,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:16,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:17,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:17,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 119 states and 163 transitions. [2021-11-21 05:39:17,583 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2021-11-21 05:39:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:39:17,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:17,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:18,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:24,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:24,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 133 states and 186 transitions. [2021-11-21 05:39:24,185 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 186 transitions. [2021-11-21 05:39:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:39:24,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:24,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:24,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:25,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 136 states and 189 transitions. [2021-11-21 05:39:25,617 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 189 transitions. [2021-11-21 05:39:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:39:25,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:25,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:25,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:39:28,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:28,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 142 states and 200 transitions. [2021-11-21 05:39:28,834 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 200 transitions. [2021-11-21 05:39:28,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:39:28,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:28,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:30,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 145 states and 203 transitions. [2021-11-21 05:39:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 203 transitions. [2021-11-21 05:39:30,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:39:30,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:30,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:33,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:33,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 150 states and 210 transitions. [2021-11-21 05:39:33,271 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 210 transitions. [2021-11-21 05:39:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:39:33,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:33,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:39:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:33,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 151 states and 210 transitions. [2021-11-21 05:39:33,605 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 210 transitions. [2021-11-21 05:39:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:39:33,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:33,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:33,646 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:39:35,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:35,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 154 states and 213 transitions. [2021-11-21 05:39:35,513 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 213 transitions. [2021-11-21 05:39:35,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:39:35,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:35,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 159 states and 218 transitions. [2021-11-21 05:39:38,636 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 218 transitions. [2021-11-21 05:39:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:39:38,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:38,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:38,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:41,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 164 states and 228 transitions. [2021-11-21 05:39:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 228 transitions. [2021-11-21 05:39:41,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:39:41,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:41,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:39:42,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:42,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 165 states and 228 transitions. [2021-11-21 05:39:42,636 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2021-11-21 05:39:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:39:42,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:42,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:42,675 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 167 states and 230 transitions. [2021-11-21 05:39:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 230 transitions. [2021-11-21 05:39:44,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:39:44,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:44,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:48,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 175 states and 254 transitions. [2021-11-21 05:39:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 254 transitions. [2021-11-21 05:39:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:39:48,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:48,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:48,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:39:50,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 177 states and 255 transitions. [2021-11-21 05:39:50,064 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 255 transitions. [2021-11-21 05:39:50,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:39:50,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:50,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:52,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:52,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 179 states and 262 transitions. [2021-11-21 05:39:52,767 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 262 transitions. [2021-11-21 05:39:52,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:39:52,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:52,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:54,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 182 states and 274 transitions. [2021-11-21 05:39:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 274 transitions. [2021-11-21 05:39:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:39:54,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:54,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:54,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:39:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 186 states and 283 transitions. [2021-11-21 05:39:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 283 transitions. [2021-11-21 05:39:57,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:39:57,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:57,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:40:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:03,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 196 states and 302 transitions. [2021-11-21 05:40:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 302 transitions. [2021-11-21 05:40:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:40:03,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:03,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:03,601 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:40:06,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 201 states and 311 transitions. [2021-11-21 05:40:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 311 transitions. [2021-11-21 05:40:06,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:40:06,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:06,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:06,635 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:40:10,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:10,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 206 states and 318 transitions. [2021-11-21 05:40:10,073 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 318 transitions. [2021-11-21 05:40:10,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:40:10,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:10,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:40:12,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:12,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 207 states and 321 transitions. [2021-11-21 05:40:12,542 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 321 transitions. [2021-11-21 05:40:12,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:40:12,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:12,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:40:15,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 212 states and 329 transitions. [2021-11-21 05:40:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 329 transitions. [2021-11-21 05:40:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:40:15,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:15,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:40:16,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:16,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 214 states and 337 transitions. [2021-11-21 05:40:16,634 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 337 transitions. [2021-11-21 05:40:16,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:40:16,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:16,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:16,663 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:40:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 218 states and 342 transitions. [2021-11-21 05:40:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 342 transitions. [2021-11-21 05:40:18,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:40:18,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:18,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:18,713 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:40:22,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:22,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 218 states and 341 transitions. [2021-11-21 05:40:22,762 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 341 transitions. [2021-11-21 05:40:22,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:40:22,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:22,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:40:23,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 218 states and 340 transitions. [2021-11-21 05:40:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 340 transitions. [2021-11-21 05:40:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:40:23,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:23,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:40:30,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:30,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 226 states and 352 transitions. [2021-11-21 05:40:30,282 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 352 transitions. [2021-11-21 05:40:30,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:40:30,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:30,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:30,316 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:40:32,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 228 states and 359 transitions. [2021-11-21 05:40:32,003 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 359 transitions. [2021-11-21 05:40:32,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:40:32,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:32,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:33,149 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:40:47,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:47,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 236 states and 378 transitions. [2021-11-21 05:40:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 378 transitions. [2021-11-21 05:40:47,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:40:47,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:47,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:40:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:51,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 241 states and 382 transitions. [2021-11-21 05:40:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 382 transitions. [2021-11-21 05:40:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:40:51,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:51,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:41:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 251 states and 395 transitions. [2021-11-21 05:41:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 395 transitions. [2021-11-21 05:41:01,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:41:01,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:01,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:41:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 256 states and 401 transitions. [2021-11-21 05:41:06,016 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 401 transitions. [2021-11-21 05:41:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:41:06,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:06,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:41:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 262 states and 417 transitions. [2021-11-21 05:41:10,474 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 417 transitions. [2021-11-21 05:41:10,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 05:41:10,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:10,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:41:11,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:11,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 262 states and 413 transitions. [2021-11-21 05:41:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 413 transitions. [2021-11-21 05:41:11,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 05:41:11,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:11,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-21 05:41:17,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 262 states and 412 transitions. [2021-11-21 05:41:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 412 transitions. [2021-11-21 05:41:17,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 05:41:17,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:17,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:17,367 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:41:25,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:25,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 270 states and 426 transitions. [2021-11-21 05:41:25,581 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 426 transitions. [2021-11-21 05:41:25,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:41:25,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:25,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:25,608 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 05:41:33,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2021-11-21 05:41:33,775 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2021-11-21 05:41:33,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:41:33,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:33,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-21 05:41:42,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:42,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 288 states and 446 transitions. [2021-11-21 05:41:42,664 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 446 transitions. [2021-11-21 05:41:42,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 05:41:42,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:42,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 05:41:47,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:47,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 292 states and 449 transitions. [2021-11-21 05:41:47,512 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 449 transitions. [2021-11-21 05:41:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 05:41:47,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:47,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:47,553 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-21 05:41:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2021-11-21 05:41:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2021-11-21 05:41:52,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 05:41:52,277 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 54 iterations. [2021-11-21 05:41:52,287 INFO L754 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2021-11-21 05:41:53,494 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:41:53,498 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2021-11-21 05:41:53,515 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2021-11-21 05:41:53,516 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2021-11-21 05:41:53,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:41:53 ImpRootNode [2021-11-21 05:41:53,518 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:41:53,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:41:53,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:41:53,519 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:41:53,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:38:59" (3/4) ... [2021-11-21 05:41:53,523 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 05:41:53,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-21 05:41:53,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-21 05:41:53,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 05:41:53,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 05:41:53,649 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:41:53,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:41:53,651 INFO L158 Benchmark]: Toolchain (without parser) took 175819.11ms. Allocated memory was 90.2MB in the beginning and 1.0GB in the end (delta: 933.2MB). Free memory was 53.6MB in the beginning and 592.0MB in the end (delta: -538.3MB). Peak memory consumption was 393.5MB. Max. memory is 16.1GB. [2021-11-21 05:41:53,651 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 69.8MB in the beginning and 69.7MB in the end (delta: 50.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:41:53,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.43ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.4MB in the beginning and 78.9MB in the end (delta: -25.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-21 05:41:53,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.15ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 76.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:41:53,653 INFO L158 Benchmark]: Boogie Preprocessor took 57.44ms. Allocated memory is still 109.1MB. Free memory was 76.9MB in the beginning and 75.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:41:53,654 INFO L158 Benchmark]: RCFGBuilder took 576.60ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 62.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 05:41:53,654 INFO L158 Benchmark]: CodeCheck took 174310.28ms. Allocated memory was 109.1MB in the beginning and 1.0GB in the end (delta: 914.4MB). Free memory was 62.4MB in the beginning and 596.2MB in the end (delta: -533.8MB). Peak memory consumption was 381.2MB. Max. memory is 16.1GB. [2021-11-21 05:41:53,655 INFO L158 Benchmark]: Witness Printer took 131.36ms. Allocated memory is still 1.0GB. Free memory was 596.2MB in the beginning and 592.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 05:41:53,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 58 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 173.0s, OverallIterations: 54, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18087 SdHoareTripleChecker+Valid, 60.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14109 mSDsluCounter, 4710 SdHoareTripleChecker+Invalid, 50.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3246 mSDsCounter, 5621 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41409 IncrementalHoareTripleChecker+Invalid, 47030 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5621 mSolverCounterUnsat, 1464 mSDtfsCounter, 41409 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12081 GetRequests, 10573 SyntacticMatches, 516 SemanticMatches, 992 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419511 ImplicationChecksByTransitivity, 167.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 1345 NumberOfCodeBlocks, 1345 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1292 ConstructedInterpolants, 0 QuantifiedInterpolants, 4336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 26 PerfectInterpolantSequences, 262/509 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 47]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 59]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 76]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 100]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 112]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 141]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 153]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 165]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 177]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 205]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 217]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 229]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 245]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 257]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: (((((main__i < main__len && main__limit + 4 <= main__bufsize) && main__i == 0) && main__j == 0) && 5 + main__j <= main__bufsize) || (((((main__i < main__len && main__len < 2 + main__i) && 0 <= main__j) && 5 + main__j <= main__bufsize) && !(main__i == 0)) && 0 <= main__i)) || (((((2 + main__i <= main__len && 0 <= main__j) && main__limit + 4 <= main__bufsize) && 5 + main__j <= main__bufsize) && !(main__i == 0)) && 0 <= main__i) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((1 <= main__j && 5 <= main__bufsize) && main__limit + 4 <= main__bufsize) && !(main__i == 0)) && 0 <= main__i) || (main__len <= main__i && 0 <= main__i)) || (((0 <= main__j && main__limit + 4 <= main__bufsize) && main__j < 1) && 0 <= main__i) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (main__limit + 4 <= main__bufsize && 0 <= main__i) || (main__len <= main__i && 0 <= main__i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 69.8MB in the beginning and 69.7MB in the end (delta: 50.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.43ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.4MB in the beginning and 78.9MB in the end (delta: -25.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.15ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 76.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.44ms. Allocated memory is still 109.1MB. Free memory was 76.9MB in the beginning and 75.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 576.60ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 62.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 174310.28ms. Allocated memory was 109.1MB in the beginning and 1.0GB in the end (delta: 914.4MB). Free memory was 62.4MB in the beginning and 596.2MB in the end (delta: -533.8MB). Peak memory consumption was 381.2MB. Max. memory is 16.1GB. * Witness Printer took 131.36ms. Allocated memory is still 1.0GB. Free memory was 596.2MB in the beginning and 592.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 05:41:53,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4a4e18-dca1-47c2-a5c8-e4cd7a7d54d1/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE