./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu --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 0.2.2-dev-6a47aea [2021-11-23 15:49:24,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:24,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:24,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:24,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:24,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:24,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:24,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:24,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:24,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:24,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:24,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:24,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:24,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:24,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:24,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:24,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:24,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:24,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:24,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:24,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:24,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:24,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:24,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:24,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:24,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:24,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:24,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:24,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:24,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:24,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:24,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:24,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:24,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:24,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:24,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:24,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:24,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:24,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:24,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:24,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:24,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:49:24,404 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:24,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:24,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:49:24,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:49:24,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:24,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:24,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:24,407 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:49:24,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:49:24,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:49:24,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:24,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:49:24,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:24,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:49:24,416 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:49:24,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:49:24,416 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:24,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:49:24,416 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:24,417 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:24,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:24,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:24,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:24,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:24,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:49:24,418 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:49:24,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:49:24,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:49:24,419 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 [2021-11-23 15:49:24,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:24,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:24,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:24,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:24,818 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:24,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2021-11-23 15:49:24,910 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/data/e47155c9b/6aa839261f514dabb428d0fae8f0805f/FLAG8a2456396 [2021-11-23 15:49:25,368 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:25,368 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2021-11-23 15:49:25,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/data/e47155c9b/6aa839261f514dabb428d0fae8f0805f/FLAG8a2456396 [2021-11-23 15:49:25,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/data/e47155c9b/6aa839261f514dabb428d0fae8f0805f [2021-11-23 15:49:25,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:25,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:25,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:25,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:25,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:25,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:25" (1/1) ... [2021-11-23 15:49:25,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a26d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:25, skipping insertion in model container [2021-11-23 15:49:25,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:25" (1/1) ... [2021-11-23 15:49:25,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:25,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:25,986 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2021-11-23 15:49:25,990 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2021-11-23 15:49:25,993 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2021-11-23 15:49:25,996 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2021-11-23 15:49:25,998 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2021-11-23 15:49:26,000 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2021-11-23 15:49:26,003 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2021-11-23 15:49:26,006 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2021-11-23 15:49:26,008 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2021-11-23 15:49:26,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2021-11-23 15:49:26,013 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2021-11-23 15:49:26,015 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2021-11-23 15:49:26,020 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2021-11-23 15:49:26,022 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2021-11-23 15:49:26,027 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2021-11-23 15:49:26,041 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2021-11-23 15:49:26,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:26,052 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:26,094 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2021-11-23 15:49:26,096 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2021-11-23 15:49:26,101 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2021-11-23 15:49:26,103 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2021-11-23 15:49:26,107 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2021-11-23 15:49:26,115 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2021-11-23 15:49:26,117 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2021-11-23 15:49:26,119 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2021-11-23 15:49:26,120 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2021-11-23 15:49:26,128 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2021-11-23 15:49:26,130 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2021-11-23 15:49:26,131 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2021-11-23 15:49:26,133 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2021-11-23 15:49:26,134 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2021-11-23 15:49:26,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2021-11-23 15:49:26,139 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_58dd00c3-0380-42c7-ac0b-f4e1923e1972/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2021-11-23 15:49:26,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:26,156 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:26,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26 WrapperNode [2021-11-23 15:49:26,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:26,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:26,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:26,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:26,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,202 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 192 [2021-11-23 15:49:26,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:26,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:26,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:26,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:26,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:26,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:26,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:26,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:26,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:26,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:26,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:26,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:49:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:26,389 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:26,391 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:26,610 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:49:26,625 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:49:26,626 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:49:26,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:49:26 BoogieIcfgContainer [2021-11-23 15:49:26,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:49:26,630 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:49:26,630 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:49:26,642 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:49:26,642 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:49:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 58 states and 79 transitions. [2021-11-23 15:49:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2021-11-23 15:49:26,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:49:26,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:26,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:27,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:27,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2021-11-23 15:49:27,087 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2021-11-23 15:49:27,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:49:27,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:27,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:27,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2021-11-23 15:49:27,390 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2021-11-23 15:49:27,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:49:27,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:27,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:27,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 65 states and 90 transitions. [2021-11-23 15:49:27,671 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-11-23 15:49:27,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:49:27,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:27,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 68 states and 92 transitions. [2021-11-23 15:49:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2021-11-23 15:49:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:49:27,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:27,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:27,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:28,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:28,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2021-11-23 15:49:28,258 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2021-11-23 15:49:28,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:49:28,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:28,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:28,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:29,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 74 states and 103 transitions. [2021-11-23 15:49:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2021-11-23 15:49:29,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:49:29,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:29,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:29,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:29,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2021-11-23 15:49:29,866 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-11-23 15:49:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:49:29,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:29,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:30,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:31,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 80 states and 112 transitions. [2021-11-23 15:49:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2021-11-23 15:49:31,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:49:31,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:31,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:31,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:31,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:31,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 86 states and 117 transitions. [2021-11-23 15:49:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 117 transitions. [2021-11-23 15:49:31,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:49:31,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:31,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:31,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:33,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:33,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2021-11-23 15:49:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2021-11-23 15:49:33,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:49:33,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:33,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:35,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 96 states and 125 transitions. [2021-11-23 15:49:35,285 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-23 15:49:35,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:49:35,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:35,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:39,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:39,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 109 states and 148 transitions. [2021-11-23 15:49:39,017 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 148 transitions. [2021-11-23 15:49:39,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:49:39,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:39,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 114 states and 154 transitions. [2021-11-23 15:49:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2021-11-23 15:49:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:49:40,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:40,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 119 states and 163 transitions. [2021-11-23 15:49:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2021-11-23 15:49:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:49:41,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:41,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 133 states and 186 transitions. [2021-11-23 15:49:47,346 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 186 transitions. [2021-11-23 15:49:47,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:49:47,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:47,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:47,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:48,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:48,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 136 states and 189 transitions. [2021-11-23 15:49:48,499 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 189 transitions. [2021-11-23 15:49:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:49:48,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:48,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:48,542 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:49:51,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:51,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 142 states and 200 transitions. [2021-11-23 15:49:51,350 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 200 transitions. [2021-11-23 15:49:51,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:49:51,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:51,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:53,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:53,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 145 states and 203 transitions. [2021-11-23 15:49:53,055 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 203 transitions. [2021-11-23 15:49:53,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:49:53,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:53,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:55,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 150 states and 210 transitions. [2021-11-23 15:49:55,471 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 210 transitions. [2021-11-23 15:49:55,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:49:55,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:55,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:49:55,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:55,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 151 states and 210 transitions. [2021-11-23 15:49:55,734 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 210 transitions. [2021-11-23 15:49:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:49:55,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:55,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:49:57,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:57,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 154 states and 213 transitions. [2021-11-23 15:49:57,261 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 213 transitions. [2021-11-23 15:49:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:49:57,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:57,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:49:59,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:49:59,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 159 states and 218 transitions. [2021-11-23 15:49:59,732 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 218 transitions. [2021-11-23 15:49:59,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:49:59,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:49:59,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:49:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:49:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:50:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 164 states and 228 transitions. [2021-11-23 15:50:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 228 transitions. [2021-11-23 15:50:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:50:02,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:02,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:50:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 165 states and 228 transitions. [2021-11-23 15:50:02,936 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2021-11-23 15:50:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:50:02,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:02,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:50:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 167 states and 230 transitions. [2021-11-23 15:50:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 230 transitions. [2021-11-23 15:50:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:50:04,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:04,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:50:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 175 states and 254 transitions. [2021-11-23 15:50:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 254 transitions. [2021-11-23 15:50:07,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:50:07,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:07,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:50:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 177 states and 255 transitions. [2021-11-23 15:50:08,996 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 255 transitions. [2021-11-23 15:50:08,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:50:08,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:08,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:09,439 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:50:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:11,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 179 states and 262 transitions. [2021-11-23 15:50:11,295 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 262 transitions. [2021-11-23 15:50:11,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:50:11,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:11,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:50:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:14,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 186 states and 283 transitions. [2021-11-23 15:50:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 283 transitions. [2021-11-23 15:50:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:50:14,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:14,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:14,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:50:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:20,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 196 states and 302 transitions. [2021-11-23 15:50:20,217 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 302 transitions. [2021-11-23 15:50:20,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:50:20,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:20,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:20,256 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:50:22,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:22,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 201 states and 311 transitions. [2021-11-23 15:50:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 311 transitions. [2021-11-23 15:50:22,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:50:22,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:22,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:50:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 206 states and 318 transitions. [2021-11-23 15:50:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 318 transitions. [2021-11-23 15:50:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:50:25,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:25,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:26,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:50:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:28,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 207 states and 321 transitions. [2021-11-23 15:50:28,262 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 321 transitions. [2021-11-23 15:50:28,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:50:28,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:28,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:50:31,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 212 states and 329 transitions. [2021-11-23 15:50:31,295 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 329 transitions. [2021-11-23 15:50:31,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:50:31,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:31,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:50:32,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 214 states and 337 transitions. [2021-11-23 15:50:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 337 transitions. [2021-11-23 15:50:32,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:50:32,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:32,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:50:34,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 218 states and 342 transitions. [2021-11-23 15:50:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 342 transitions. [2021-11-23 15:50:34,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:50:34,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:34,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:50:37,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 218 states and 341 transitions. [2021-11-23 15:50:37,801 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 341 transitions. [2021-11-23 15:50:37,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:50:37,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:37,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:37,826 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:50:38,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:38,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 218 states and 340 transitions. [2021-11-23 15:50:38,476 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 340 transitions. [2021-11-23 15:50:38,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:50:38,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:38,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:50:44,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 226 states and 352 transitions. [2021-11-23 15:50:44,033 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 352 transitions. [2021-11-23 15:50:44,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:50:44,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:44,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:50:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 228 states and 359 transitions. [2021-11-23 15:50:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 359 transitions. [2021-11-23 15:50:45,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:50:45,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:45,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:50:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:58,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 236 states and 378 transitions. [2021-11-23 15:50:58,505 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 378 transitions. [2021-11-23 15:50:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:50:58,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:58,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:50:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:51:01,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 241 states and 382 transitions. [2021-11-23 15:51:01,846 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 382 transitions. [2021-11-23 15:51:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:51:01,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:01,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:01,880 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:51:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 251 states and 395 transitions. [2021-11-23 15:51:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 395 transitions. [2021-11-23 15:51:10,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:51:10,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:10,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 256 states and 401 transitions. [2021-11-23 15:51:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 401 transitions. [2021-11-23 15:51:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 15:51:14,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:14,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:14,748 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 15:51:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:18,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 262 states and 417 transitions. [2021-11-23 15:51:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 417 transitions. [2021-11-23 15:51:18,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 15:51:18,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:18,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:51:19,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:19,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 262 states and 413 transitions. [2021-11-23 15:51:19,843 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 413 transitions. [2021-11-23 15:51:19,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 15:51:19,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:19,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 15:51:25,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 262 states and 412 transitions. [2021-11-23 15:51:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 412 transitions. [2021-11-23 15:51:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:51:25,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:25,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:25,207 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:32,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 270 states and 426 transitions. [2021-11-23 15:51:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 426 transitions. [2021-11-23 15:51:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:51:32,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:32,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 15:51:39,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2021-11-23 15:51:39,984 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2021-11-23 15:51:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:51:39,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:39,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:40,019 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 15:51:47,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 288 states and 446 transitions. [2021-11-23 15:51:47,689 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 446 transitions. [2021-11-23 15:51:47,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:51:47,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:47,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 15:51:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 292 states and 449 transitions. [2021-11-23 15:51:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 449 transitions. [2021-11-23 15:51:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:51:51,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:51,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 15:51:55,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2021-11-23 15:51:55,839 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2021-11-23 15:51:55,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 15:51:55,839 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2021-11-23 15:51:55,847 INFO L754 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2021-11-23 15:51:56,916 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 15:51:56,919 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2021-11-23 15:51:56,926 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2021-11-23 15:51:56,927 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2021-11-23 15:51:56,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:51:56 ImpRootNode [2021-11-23 15:51:56,928 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 15:51:56,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 15:51:56,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 15:51:56,929 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 15:51:56,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:49:26" (3/4) ... [2021-11-23 15:51:56,933 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 15:51:56,944 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 15:51:56,945 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 15:51:56,945 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 15:51:56,946 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 15:51:57,015 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/witness.graphml [2021-11-23 15:51:57,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 15:51:57,016 INFO L158 Benchmark]: Toolchain (without parser) took 151285.11ms. Allocated memory was 81.8MB in the beginning and 1.1GB in the end (delta: 981.5MB). Free memory was 46.1MB in the beginning and 553.4MB in the end (delta: -507.3MB). Peak memory consumption was 473.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:57,017 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 81.8MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:57,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.02ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 46.0MB in the beginning and 86.8MB in the end (delta: -40.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-23 15:51:57,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.89ms. Allocated memory is still 115.3MB. Free memory was 86.8MB in the beginning and 85.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:57,018 INFO L158 Benchmark]: Boogie Preprocessor took 42.34ms. Allocated memory is still 115.3MB. Free memory was 84.7MB in the beginning and 83.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:57,019 INFO L158 Benchmark]: RCFGBuilder took 382.31ms. Allocated memory is still 115.3MB. Free memory was 83.7MB in the beginning and 70.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:51:57,019 INFO L158 Benchmark]: CodeCheck took 150298.93ms. Allocated memory was 115.3MB in the beginning and 1.1GB in the end (delta: 947.9MB). Free memory was 70.4MB in the beginning and 558.3MB in the end (delta: -487.9MB). Peak memory consumption was 461.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:57,020 INFO L158 Benchmark]: Witness Printer took 86.58ms. Allocated memory is still 1.1GB. Free memory was 558.3MB in the beginning and 553.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:57,022 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: 149.2s, OverallIterations: 53, 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, 17737 SdHoareTripleChecker+Valid, 49.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13844 mSDsluCounter, 4617 SdHoareTripleChecker+Invalid, 41.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3183 mSDsCounter, 5504 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40595 IncrementalHoareTripleChecker+Invalid, 46099 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5504 mSolverCounterUnsat, 1434 mSDtfsCounter, 40595 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11859 GetRequests, 10364 SyntacticMatches, 503 SemanticMatches, 992 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419511 ImplicationChecksByTransitivity, 144.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 1317 NumberOfCodeBlocks, 1317 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1265 ConstructedInterpolants, 0 QuantifiedInterpolants, 4260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 26 PerfectInterpolantSequences, 262/506 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 0.23ms. Allocated memory is still 81.8MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.02ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 46.0MB in the beginning and 86.8MB in the end (delta: -40.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.89ms. Allocated memory is still 115.3MB. Free memory was 86.8MB in the beginning and 85.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.34ms. Allocated memory is still 115.3MB. Free memory was 84.7MB in the beginning and 83.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 382.31ms. Allocated memory is still 115.3MB. Free memory was 83.7MB in the beginning and 70.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 150298.93ms. Allocated memory was 115.3MB in the beginning and 1.1GB in the end (delta: 947.9MB). Free memory was 70.4MB in the beginning and 558.3MB in the end (delta: -487.9MB). Peak memory consumption was 461.4MB. Max. memory is 16.1GB. * Witness Printer took 86.58ms. Allocated memory is still 1.1GB. Free memory was 558.3MB in the beginning and 553.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 15:51:57,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58dd00c3-0380-42c7-ac0b-f4e1923e1972/bin/ukojak-CwSLpZB5Qu/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