./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/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_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:26:51,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:26:51,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:26:51,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:26:51,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:26:51,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:26:51,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:26:51,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:26:51,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:26:51,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:26:51,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:26:51,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:26:51,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:26:51,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:26:51,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:26:51,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:26:51,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:26:51,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:26:51,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:26:51,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:26:51,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:26:51,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:26:51,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:26:51,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:26:51,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:26:51,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:26:51,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:26:51,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:26:51,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:26:51,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:26:51,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:26:51,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:26:51,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:26:51,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:26:51,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:26:51,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:26:51,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:26:51,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:26:51,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:26:51,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:26:51,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:26:51,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:26:51,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:26:51,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:26:51,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:26:51,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:26:51,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:26:51,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:26:51,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:26:51,962 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:26:51,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:26:51,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:26:51,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:26:51,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:26:51,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:26:51,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:26:51,966 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:26:51,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:26:51,966 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:26:51,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:26:51,967 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:26:51,967 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:26:51,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:26:51,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:26:51,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:26:51,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:26:51,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:26:51,969 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:26:51,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:26:51,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:26:51,970 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 [2021-11-13 23:26:52,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:26:52,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:26:52,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:26:52,321 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:26:52,322 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:26:52,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2021-11-13 23:26:52,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/data/226bb5320/d4d04485cfc741fdad09750599942d2d/FLAG30bb0996a [2021-11-13 23:26:52,979 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:26:52,979 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2021-11-13 23:26:53,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/data/226bb5320/d4d04485cfc741fdad09750599942d2d/FLAG30bb0996a [2021-11-13 23:26:53,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/data/226bb5320/d4d04485cfc741fdad09750599942d2d [2021-11-13 23:26:53,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:26:53,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:26:53,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:26:53,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:26:53,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:26:53,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:53" (1/1) ... [2021-11-13 23:26:53,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108c874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:53, skipping insertion in model container [2021-11-13 23:26:53,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:53" (1/1) ... [2021-11-13 23:26:53,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:26:53,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:26:53,622 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2021-11-13 23:26:53,627 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2021-11-13 23:26:53,631 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2021-11-13 23:26:53,633 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2021-11-13 23:26:53,635 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2021-11-13 23:26:53,638 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2021-11-13 23:26:53,642 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2021-11-13 23:26:53,645 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2021-11-13 23:26:53,647 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2021-11-13 23:26:53,649 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2021-11-13 23:26:53,653 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2021-11-13 23:26:53,656 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2021-11-13 23:26:53,658 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2021-11-13 23:26:53,660 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2021-11-13 23:26:53,664 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2021-11-13 23:26:53,667 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2021-11-13 23:26:53,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:26:53,682 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:26:53,702 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2021-11-13 23:26:53,703 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2021-11-13 23:26:53,706 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2021-11-13 23:26:53,708 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2021-11-13 23:26:53,710 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2021-11-13 23:26:53,711 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2021-11-13 23:26:53,715 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2021-11-13 23:26:53,716 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2021-11-13 23:26:53,718 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2021-11-13 23:26:53,720 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2021-11-13 23:26:53,723 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2021-11-13 23:26:53,726 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2021-11-13 23:26:53,728 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2021-11-13 23:26:53,730 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2021-11-13 23:26:53,733 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2021-11-13 23:26:53,735 WARN L228 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_5a83cc81-eef7-491d-ac68-f5c0e907580a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2021-11-13 23:26:53,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:26:53,755 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:26:53,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:53 WrapperNode [2021-11-13 23:26:53,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:26:53,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:26:53,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:26:53,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:26:53,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:53" (1/1) ... [2021-11-13 23:26:53,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:53" (1/1) ... [2021-11-13 23:26:53,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:26:53,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:26:53,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:26:53,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:26:53,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:53" (1/1) ... [2021-11-13 23:26:53,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:53" (1/1) ... [2021-11-13 23:26:53,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:53" (1/1) ... [2021-11-13 23:26:53,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:53" (1/1) ... [2021-11-13 23:26:53,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:53" (1/1) ... [2021-11-13 23:26:53,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:53" (1/1) ... [2021-11-13 23:26:53,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:53" (1/1) ... [2021-11-13 23:26:53,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:26:53,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:26:53,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:26:53,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:26:53,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:53" (1/1) ... [2021-11-13 23:26:53,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:26:53,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:26:53,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:26:53,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:26:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:26:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:26:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:26:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:26:54,355 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:26:54,355 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 23:26:54,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:54 BoogieIcfgContainer [2021-11-13 23:26:54,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:26:54,360 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:26:54,361 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:26:54,374 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:26:54,374 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:26:54,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 58 states and 79 transitions. [2021-11-13 23:26:54,472 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2021-11-13 23:26:54,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:26:54,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:54,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:54,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:54,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2021-11-13 23:26:54,825 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2021-11-13 23:26:54,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:26:54,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:54,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:54,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:55,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2021-11-13 23:26:55,109 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2021-11-13 23:26:55,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:26:55,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 65 states and 90 transitions. [2021-11-13 23:26:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-11-13 23:26:55,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:26:55,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:55,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:55,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 68 states and 92 transitions. [2021-11-13 23:26:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2021-11-13 23:26:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:26:55,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:56,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2021-11-13 23:26:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2021-11-13 23:26:56,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:26:56,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:56,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:56,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:57,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:57,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 74 states and 103 transitions. [2021-11-13 23:26:57,294 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2021-11-13 23:26:57,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:26:57,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:57,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:58,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:58,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2021-11-13 23:26:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-11-13 23:26:58,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:26:58,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:58,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:58,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 80 states and 112 transitions. [2021-11-13 23:26:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2021-11-13 23:26:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:26:59,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:59,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:00,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:00,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 86 states and 117 transitions. [2021-11-13 23:27:00,426 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 117 transitions. [2021-11-13 23:27:00,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:27:00,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:00,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2021-11-13 23:27:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2021-11-13 23:27:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:27:02,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:02,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:02,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:04,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:04,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 96 states and 125 transitions. [2021-11-13 23:27:04,248 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2021-11-13 23:27:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:27:04,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:04,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:08,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 109 states and 148 transitions. [2021-11-13 23:27:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 148 transitions. [2021-11-13 23:27:08,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:27:08,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:08,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:10,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 114 states and 154 transitions. [2021-11-13 23:27:10,039 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2021-11-13 23:27:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:27:10,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:10,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:10,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:11,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:11,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 119 states and 163 transitions. [2021-11-13 23:27:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2021-11-13 23:27:11,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:27:11,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:11,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:11,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:17,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 133 states and 186 transitions. [2021-11-13 23:27:17,452 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 186 transitions. [2021-11-13 23:27:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:27:17,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:17,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:17,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:18,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 136 states and 189 transitions. [2021-11-13 23:27:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 189 transitions. [2021-11-13 23:27:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:27:18,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:18,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:27:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 142 states and 200 transitions. [2021-11-13 23:27:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 200 transitions. [2021-11-13 23:27:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:27:22,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:22,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:22,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:23,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 145 states and 203 transitions. [2021-11-13 23:27:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 203 transitions. [2021-11-13 23:27:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:27:23,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:23,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:26,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:26,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 150 states and 210 transitions. [2021-11-13 23:27:26,675 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 210 transitions. [2021-11-13 23:27:26,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:27:26,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:26,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 151 states and 210 transitions. [2021-11-13 23:27:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 210 transitions. [2021-11-13 23:27:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:27:26,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:26,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:27:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 154 states and 213 transitions. [2021-11-13 23:27:28,752 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 213 transitions. [2021-11-13 23:27:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:27:28,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:28,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:31,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 159 states and 218 transitions. [2021-11-13 23:27:31,294 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 218 transitions. [2021-11-13 23:27:31,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:27:31,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:31,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:34,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 164 states and 228 transitions. [2021-11-13 23:27:34,389 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 228 transitions. [2021-11-13 23:27:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:27:34,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:34,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:34,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:34,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 165 states and 228 transitions. [2021-11-13 23:27:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2021-11-13 23:27:34,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:27:34,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:34,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:34,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:36,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:36,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 167 states and 230 transitions. [2021-11-13 23:27:36,581 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 230 transitions. [2021-11-13 23:27:36,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:27:36,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:36,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:40,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 175 states and 254 transitions. [2021-11-13 23:27:40,590 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 254 transitions. [2021-11-13 23:27:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:27:40,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:40,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:40,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:27:41,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:41,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 177 states and 255 transitions. [2021-11-13 23:27:41,805 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 255 transitions. [2021-11-13 23:27:41,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:27:41,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:41,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:44,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:44,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 179 states and 262 transitions. [2021-11-13 23:27:44,310 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 262 transitions. [2021-11-13 23:27:44,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:27:44,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:44,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:44,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:45,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:45,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 180 states and 265 transitions. [2021-11-13 23:27:45,371 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 265 transitions. [2021-11-13 23:27:45,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:27:45,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:45,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:45,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:46,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 182 states and 274 transitions. [2021-11-13 23:27:46,262 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 274 transitions. [2021-11-13 23:27:46,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:27:46,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:46,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:48,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 186 states and 283 transitions. [2021-11-13 23:27:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 283 transitions. [2021-11-13 23:27:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:27:48,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:48,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:48,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:54,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 196 states and 302 transitions. [2021-11-13 23:27:54,221 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 302 transitions. [2021-11-13 23:27:54,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:27:54,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:54,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:54,261 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:56,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 201 states and 311 transitions. [2021-11-13 23:27:56,790 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 311 transitions. [2021-11-13 23:27:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:27:56,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:56,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:28:00,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:00,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 206 states and 318 transitions. [2021-11-13 23:28:00,003 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 318 transitions. [2021-11-13 23:28:00,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:28:00,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:00,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:02,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:02,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 207 states and 321 transitions. [2021-11-13 23:28:02,455 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 321 transitions. [2021-11-13 23:28:02,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:28:02,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:02,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:02,492 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:05,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 212 states and 329 transitions. [2021-11-13 23:28:05,264 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 329 transitions. [2021-11-13 23:28:05,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:28:05,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:05,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:05,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:28:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 218 states and 342 transitions. [2021-11-13 23:28:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 342 transitions. [2021-11-13 23:28:08,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:28:08,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:08,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:08,303 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:28:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 218 states and 341 transitions. [2021-11-13 23:28:12,021 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 341 transitions. [2021-11-13 23:28:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:28:12,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:12,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:28:12,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 218 states and 340 transitions. [2021-11-13 23:28:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 340 transitions. [2021-11-13 23:28:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:28:12,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:12,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:19,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:19,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 226 states and 352 transitions. [2021-11-13 23:28:19,126 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 352 transitions. [2021-11-13 23:28:19,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:28:19,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:19,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:19,161 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:28:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:20,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 228 states and 359 transitions. [2021-11-13 23:28:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 359 transitions. [2021-11-13 23:28:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:28:20,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:20,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,121 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:35,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 236 states and 378 transitions. [2021-11-13 23:28:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 378 transitions. [2021-11-13 23:28:35,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:28:35,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:35,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:28:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 241 states and 382 transitions. [2021-11-13 23:28:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 382 transitions. [2021-11-13 23:28:39,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:28:39,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:39,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:39,476 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:28:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 251 states and 395 transitions. [2021-11-13 23:28:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 395 transitions. [2021-11-13 23:28:49,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:28:49,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:49,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:52,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 256 states and 401 transitions. [2021-11-13 23:28:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 401 transitions. [2021-11-13 23:28:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:28:52,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:52,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 23:28:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 262 states and 417 transitions. [2021-11-13 23:28:57,404 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 417 transitions. [2021-11-13 23:28:57,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:28:57,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:57,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:28:58,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 262 states and 413 transitions. [2021-11-13 23:28:58,368 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 413 transitions. [2021-11-13 23:28:58,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:28:58,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:58,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:58,401 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 23:29:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 262 states and 412 transitions. [2021-11-13 23:29:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 412 transitions. [2021-11-13 23:29:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 23:29:04,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:04,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:29:12,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 270 states and 426 transitions. [2021-11-13 23:29:12,470 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 426 transitions. [2021-11-13 23:29:12,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:29:12,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:12,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:29:20,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:20,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2021-11-13 23:29:20,413 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2021-11-13 23:29:20,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:29:20,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:20,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 23:29:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:28,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 288 states and 446 transitions. [2021-11-13 23:29:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 446 transitions. [2021-11-13 23:29:28,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:29:28,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:28,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:29:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:32,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 292 states and 449 transitions. [2021-11-13 23:29:32,768 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 449 transitions. [2021-11-13 23:29:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:29:32,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:32,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 23:29:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:36,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2021-11-13 23:29:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2021-11-13 23:29:36,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:29:36,843 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 54 iterations. [2021-11-13 23:29:36,853 INFO L754 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2021-11-13 23:29:37,986 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 23:29:37,990 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2021-11-13 23:29:37,999 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2021-11-13 23:29:38,001 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2021-11-13 23:29:38,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:29:38 ImpRootNode [2021-11-13 23:29:38,002 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:29:38,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:29:38,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:29:38,004 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:29:38,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:54" (3/4) ... [2021-11-13 23:29:38,008 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:29:38,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-13 23:29:38,023 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 23:29:38,024 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 23:29:38,025 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 23:29:38,104 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:29:38,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:29:38,105 INFO L158 Benchmark]: Toolchain (without parser) took 164824.72ms. Allocated memory was 90.2MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 58.1MB in the beginning and 656.3MB in the end (delta: -598.2MB). Peak memory consumption was 428.2MB. Max. memory is 16.1GB. [2021-11-13 23:29:38,105 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 90.2MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:29:38,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.75ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 58.0MB in the beginning and 91.5MB in the end (delta: -33.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:29:38,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.14ms. Allocated memory is still 121.6MB. Free memory was 91.5MB in the beginning and 89.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:29:38,107 INFO L158 Benchmark]: Boogie Preprocessor took 33.32ms. Allocated memory is still 121.6MB. Free memory was 89.6MB in the beginning and 88.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:29:38,107 INFO L158 Benchmark]: RCFGBuilder took 513.31ms. Allocated memory is still 121.6MB. Free memory was 88.4MB in the beginning and 74.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 23:29:38,108 INFO L158 Benchmark]: CodeCheck took 163642.24ms. Allocated memory was 121.6MB in the beginning and 1.1GB in the end (delta: 996.1MB). Free memory was 74.3MB in the beginning and 661.6MB in the end (delta: -587.3MB). Peak memory consumption was 410.3MB. Max. memory is 16.1GB. [2021-11-13 23:29:38,109 INFO L158 Benchmark]: Witness Printer took 100.91ms. Allocated memory is still 1.1GB. Free memory was 661.6MB in the beginning and 656.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:29:38,111 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: 162.4s, OverallIterations: 54, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18007 SdHoareTripleChecker+Valid, 57102.22ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14029 mSDsluCounter, 4698 SdHoareTripleChecker+Invalid, 46884.49ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3234 mSDsCounter, 5600 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41170 IncrementalHoareTripleChecker+Invalid, 46770 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5600 mSolverCounterUnsat, 1464 mSDtfsCounter, 41170 mSolverCounterSat, 744.97ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12057 GetRequests, 10543 SyntacticMatches, 522 SemanticMatches, 992 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419510 ImplicationChecksByTransitivity, 156.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 1342 NumberOfCodeBlocks, 1342 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1289 ConstructedInterpolants, 0 QuantifiedInterpolants, 4365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 25 PerfectInterpolantSequences, 254/504 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 0.37ms. Allocated memory is still 90.2MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.75ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 58.0MB in the beginning and 91.5MB in the end (delta: -33.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.14ms. Allocated memory is still 121.6MB. Free memory was 91.5MB in the beginning and 89.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.32ms. Allocated memory is still 121.6MB. Free memory was 89.6MB in the beginning and 88.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.31ms. Allocated memory is still 121.6MB. Free memory was 88.4MB in the beginning and 74.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 163642.24ms. Allocated memory was 121.6MB in the beginning and 1.1GB in the end (delta: 996.1MB). Free memory was 74.3MB in the beginning and 661.6MB in the end (delta: -587.3MB). Peak memory consumption was 410.3MB. Max. memory is 16.1GB. * Witness Printer took 100.91ms. Allocated memory is still 1.1GB. Free memory was 661.6MB in the beginning and 656.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 23:29:38,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a83cc81-eef7-491d-ac68-f5c0e907580a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE