./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce67d33baf8e2191d295422ec2c8649be746cd4f4f75c5de99bdc3950e33cc6c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:59,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:59,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:59,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:59,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:59,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:59,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:59,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:59,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:59,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:59,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:59,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:59,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:59,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:59,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:59,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:59,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:59,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:59,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:59,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:59,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:59,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:59,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:59,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:59,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:59,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:59,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:59,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:59,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:59,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:59,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:59,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:59,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:59,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:59,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:59,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:59,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:59,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:59,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:59,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:59,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:59,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:59,515 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:59,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:59,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:59,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:59,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:59,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:59,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:59,521 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:59,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:59,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:59,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:59,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:59,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:59,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:59,530 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:59,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:59,530 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:59,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:59,531 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:59,531 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:59,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:59,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:59,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:59,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:59,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:59,532 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:59,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:59,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:59,533 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_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce67d33baf8e2191d295422ec2c8649be746cd4f4f75c5de99bdc3950e33cc6c [2021-11-23 15:57:59,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:59,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:59,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:59,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:59,859 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:59,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2021-11-23 15:57:59,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/data/891b11205/8824194f8bcb4564ad581f71be2ad836/FLAGfc2711f69 [2021-11-23 15:58:00,591 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:00,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2021-11-23 15:58:00,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/data/891b11205/8824194f8bcb4564ad581f71be2ad836/FLAGfc2711f69 [2021-11-23 15:58:00,929 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/data/891b11205/8824194f8bcb4564ad581f71be2ad836 [2021-11-23 15:58:00,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:00,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:00,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:00,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:00,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:00,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:00" (1/1) ... [2021-11-23 15:58:00,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd2256b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:00, skipping insertion in model container [2021-11-23 15:58:00,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:00" (1/1) ... [2021-11-23 15:58:00,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:00,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:01,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2021-11-23 15:58:01,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2021-11-23 15:58:01,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2021-11-23 15:58:01,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2021-11-23 15:58:01,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2021-11-23 15:58:01,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2021-11-23 15:58:01,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2021-11-23 15:58:01,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2021-11-23 15:58:01,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2021-11-23 15:58:01,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2021-11-23 15:58:01,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2021-11-23 15:58:01,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2021-11-23 15:58:01,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2021-11-23 15:58:01,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2021-11-23 15:58:01,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2021-11-23 15:58:01,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] [2021-11-23 15:58:01,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2021-11-23 15:58:01,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] [2021-11-23 15:58:01,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:01,345 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:01,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2021-11-23 15:58:01,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2021-11-23 15:58:01,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2021-11-23 15:58:01,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2021-11-23 15:58:01,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2021-11-23 15:58:01,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2021-11-23 15:58:01,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2021-11-23 15:58:01,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2021-11-23 15:58:01,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2021-11-23 15:58:01,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2021-11-23 15:58:01,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2021-11-23 15:58:01,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2021-11-23 15:58:01,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2021-11-23 15:58:01,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2021-11-23 15:58:01,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2021-11-23 15:58:01,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] [2021-11-23 15:58:01,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2021-11-23 15:58:01,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] [2021-11-23 15:58:01,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:01,462 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:01,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:01 WrapperNode [2021-11-23 15:58:01,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:01,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:01,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:01,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:01,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:01" (1/1) ... [2021-11-23 15:58:01,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:01" (1/1) ... [2021-11-23 15:58:01,535 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 254 [2021-11-23 15:58:01,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:01,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:01,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:01,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:01,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:01" (1/1) ... [2021-11-23 15:58:01,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:01" (1/1) ... [2021-11-23 15:58:01,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:01" (1/1) ... [2021-11-23 15:58:01,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:01" (1/1) ... [2021-11-23 15:58:01,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:01" (1/1) ... [2021-11-23 15:58:01,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:01" (1/1) ... [2021-11-23 15:58:01,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:01" (1/1) ... [2021-11-23 15:58:01,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:01,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:01,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:01,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:01,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:01" (1/1) ... [2021-11-23 15:58:01,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:01,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:01,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:01,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:01,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:01,822 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:01,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:02,162 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:02,183 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:58:02,183 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:58:02,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:02 BoogieIcfgContainer [2021-11-23 15:58:02,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:58:02,187 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:58:02,187 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:58:02,202 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:58:02,202 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:02" (1/1) ... [2021-11-23 15:58:02,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:58:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2021-11-23 15:58:02,298 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2021-11-23 15:58:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:58:02,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:02,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:02,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:02,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2021-11-23 15:58:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2021-11-23 15:58:02,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:58:02,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:02,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:02,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:02,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2021-11-23 15:58:02,743 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2021-11-23 15:58:02,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:58:02,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:02,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:02,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:03,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:03,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2021-11-23 15:58:03,099 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-11-23 15:58:03,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:58:03,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:03,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:03,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2021-11-23 15:58:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2021-11-23 15:58:03,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:58:03,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:03,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:03,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:04,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:04,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2021-11-23 15:58:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2021-11-23 15:58:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:58:04,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:04,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:04,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:04,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2021-11-23 15:58:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2021-11-23 15:58:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:58:04,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:04,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:04,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:05,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2021-11-23 15:58:05,056 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2021-11-23 15:58:05,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:58:05,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:05,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:05,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 84 states and 114 transitions. [2021-11-23 15:58:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2021-11-23 15:58:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:58:05,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:05,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:06,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 88 states and 117 transitions. [2021-11-23 15:58:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2021-11-23 15:58:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:58:06,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:06,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:58:06,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2021-11-23 15:58:06,718 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2021-11-23 15:58:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:58:06,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:06,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:07,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2021-11-23 15:58:07,415 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2021-11-23 15:58:07,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:58:07,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:07,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:07,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2021-11-23 15:58:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-11-23 15:58:07,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:58:07,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:07,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:08,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2021-11-23 15:58:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2021-11-23 15:58:08,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:58:08,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:08,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:08,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:08,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:08,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2021-11-23 15:58:08,925 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2021-11-23 15:58:08,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:58:08,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:08,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:09,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:09,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2021-11-23 15:58:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-11-23 15:58:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:58:09,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:09,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:10,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:10,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2021-11-23 15:58:10,741 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2021-11-23 15:58:10,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:58:10,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:10,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:10,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:11,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2021-11-23 15:58:11,803 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2021-11-23 15:58:11,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 15:58:11,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:11,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:12,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2021-11-23 15:58:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2021-11-23 15:58:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 15:58:12,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:12,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2021-11-23 15:58:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2021-11-23 15:58:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:58:15,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:15,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:15,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:17,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:17,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2021-11-23 15:58:17,180 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2021-11-23 15:58:17,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:58:17,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:17,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:17,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:19,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 106 transitions. [2021-11-23 15:58:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-11-23 15:58:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:58:19,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:19,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:22,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:22,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2021-11-23 15:58:22,056 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2021-11-23 15:58:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 15:58:22,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:22,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2021-11-23 15:58:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2021-11-23 15:58:24,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 15:58:24,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:24,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:24,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:26,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 91 states and 128 transitions. [2021-11-23 15:58:26,047 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2021-11-23 15:58:26,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 15:58:26,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:26,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:58:26,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 92 states and 129 transitions. [2021-11-23 15:58:26,289 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-11-23 15:58:26,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:58:26,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:26,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:28,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 96 states and 134 transitions. [2021-11-23 15:58:28,131 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2021-11-23 15:58:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:58:28,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:28,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:31,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:31,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 105 states and 148 transitions. [2021-11-23 15:58:31,928 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 148 transitions. [2021-11-23 15:58:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 15:58:31,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:31,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:32,163 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:58:33,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 104 states and 146 transitions. [2021-11-23 15:58:33,898 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2021-11-23 15:58:33,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 15:58:33,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:33,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:58:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:35,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 103 states and 144 transitions. [2021-11-23 15:58:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2021-11-23 15:58:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 15:58:35,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:35,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:35,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 15:58:37,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:37,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 102 states and 141 transitions. [2021-11-23 15:58:37,643 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 141 transitions. [2021-11-23 15:58:37,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:58:37,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:37,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:37,876 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:40,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 55 states and 76 transitions. [2021-11-23 15:58:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2021-11-23 15:58:40,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 15:58:40,666 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2021-11-23 15:58:40,674 INFO L754 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2021-11-23 15:58:40,902 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2021-11-23 15:58:40,916 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-23 15:58:40,920 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2021-11-23 15:58:40,921 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2021-11-23 15:58:40,922 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 15:58:40,923 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 15:58:40,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:58:40 ImpRootNode [2021-11-23 15:58:40,923 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 15:58:40,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 15:58:40,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 15:58:40,924 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 15:58:40,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:02" (3/4) ... [2021-11-23 15:58:40,928 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 15:58:40,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 15:58:40,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 15:58:40,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 15:58:40,953 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 15:58:41,064 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/witness.graphml [2021-11-23 15:58:41,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 15:58:41,066 INFO L158 Benchmark]: Toolchain (without parser) took 40132.88ms. Allocated memory was 100.7MB in the beginning and 371.2MB in the end (delta: 270.5MB). Free memory was 69.6MB in the beginning and 235.6MB in the end (delta: -166.0MB). Peak memory consumption was 104.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:41,066 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:41,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.42ms. Allocated memory is still 100.7MB. Free memory was 69.6MB in the beginning and 67.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:41,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.09ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 65.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:41,068 INFO L158 Benchmark]: Boogie Preprocessor took 57.16ms. Allocated memory is still 100.7MB. Free memory was 65.4MB in the beginning and 64.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:41,069 INFO L158 Benchmark]: RCFGBuilder took 591.00ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 48.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:58:41,069 INFO L158 Benchmark]: CodeCheck took 38736.36ms. Allocated memory was 100.7MB in the beginning and 371.2MB in the end (delta: 270.5MB). Free memory was 47.8MB in the beginning and 240.8MB in the end (delta: -193.0MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:41,070 INFO L158 Benchmark]: Witness Printer took 141.09ms. Allocated memory is still 371.2MB. Free memory was 240.8MB in the beginning and 235.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:41,072 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, 80 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 38.4s, OverallIterations: 32, 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, 5299 SdHoareTripleChecker+Valid, 13.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2579 mSDsluCounter, 2085 SdHoareTripleChecker+Invalid, 11.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 558 mSDsCounter, 2445 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9267 IncrementalHoareTripleChecker+Invalid, 11712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2445 mSolverCounterUnsat, 1527 mSDtfsCounter, 9267 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7516 GetRequests, 6801 SyntacticMatches, 271 SemanticMatches, 444 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76761 ImplicationChecksByTransitivity, 35.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1004 NumberOfCodeBlocks, 1004 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 973 ConstructedInterpolants, 0 QuantifiedInterpolants, 2289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 22 PerfectInterpolantSequences, 51/76 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: 85]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 97]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 113]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 125]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 145]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: 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: 189]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 214]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 226]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 243]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 255]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 272]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 284]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 296]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 308]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 374]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 386]: 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 18 specifications checked. All of them hold - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 <= main__cp && main__cp + 1 <= main__urilen - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: ((((main__urilen <= main__cp + 1 && 0 <= main__cp) && main__cp + 1 <= main__urilen) && main__c == 0) || ((1 <= main__c && 2 <= main__cp) && main__cp + 1 <= main__urilen)) || ((1 <= main__cp && main__cp + 1 < main__urilen) && main__c == 0) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 <= main__cp && main__cp + 1 <= main__urilen - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((1 <= main__c && 1 <= main__cp) && main__cp + 1 < main__urilen) || ((1 <= main__cp && main__cp + 1 < main__urilen) && main__c == 0) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.42ms. Allocated memory is still 100.7MB. Free memory was 69.6MB in the beginning and 67.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.09ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 65.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.16ms. Allocated memory is still 100.7MB. Free memory was 65.4MB in the beginning and 64.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.00ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 48.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 38736.36ms. Allocated memory was 100.7MB in the beginning and 371.2MB in the end (delta: 270.5MB). Free memory was 47.8MB in the beginning and 240.8MB in the end (delta: -193.0MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * Witness Printer took 141.09ms. Allocated memory is still 371.2MB. Free memory was 240.8MB in the beginning and 235.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 15:58:41,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90cca510-a9a8-4f4e-9453-449ee29a1954/bin/ukojak-CwSLpZB5Qu/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