./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY --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 e45e933f699aab7bcc9592c7af081e2fbc1238f5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:43:48,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:43:48,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:43:48,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:43:48,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:43:48,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:43:48,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:43:48,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:43:48,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:43:48,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:43:48,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:43:48,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:43:48,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:43:48,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:43:48,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:43:48,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:43:48,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:43:48,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:43:48,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:43:48,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:43:48,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:43:48,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:43:48,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:43:48,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:43:48,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:43:48,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:43:48,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:43:48,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:43:48,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:43:48,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:43:48,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:43:48,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:43:48,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:43:48,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:43:48,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:43:48,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:43:48,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:43:48,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:43:48,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:43:48,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:43:48,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:43:48,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 03:43:48,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:43:48,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:43:48,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:43:48,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:43:48,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:43:48,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:43:48,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:43:48,849 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 03:43:48,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:43:48,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 03:43:48,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:43:48,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:43:48,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:43:48,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:43:48,851 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 03:43:48,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:43:48,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:43:48,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:43:48,852 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:43:48,852 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:43:48,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:43:48,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:43:48,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:43:48,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:43:48,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:43:48,854 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:43:48,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:43:48,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:43:48,854 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45e933f699aab7bcc9592c7af081e2fbc1238f5 [2021-10-13 03:43:49,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:43:49,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:43:49,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:43:49,269 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:43:49,270 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:43:49,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2021-10-13 03:43:49,352 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/data/7e1fc2768/1072636ddc4b4b858864c118c45005e8/FLAG513f493cb [2021-10-13 03:43:49,958 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:43:49,959 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2021-10-13 03:43:49,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/data/7e1fc2768/1072636ddc4b4b858864c118c45005e8/FLAG513f493cb [2021-10-13 03:43:50,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/data/7e1fc2768/1072636ddc4b4b858864c118c45005e8 [2021-10-13 03:43:50,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:43:50,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:43:50,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:43:50,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:43:50,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:43:50,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:43:50" (1/1) ... [2021-10-13 03:43:50,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ecafe67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50, skipping insertion in model container [2021-10-13 03:43:50,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:43:50" (1/1) ... [2021-10-13 03:43:50,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:43:50,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:43:50,595 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2021-10-13 03:43:50,599 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2021-10-13 03:43:50,601 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2021-10-13 03:43:50,603 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2021-10-13 03:43:50,606 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2021-10-13 03:43:50,611 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2021-10-13 03:43:50,614 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2021-10-13 03:43:50,617 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2021-10-13 03:43:50,621 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2021-10-13 03:43:50,623 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2021-10-13 03:43:50,626 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2021-10-13 03:43:50,629 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2021-10-13 03:43:50,632 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2021-10-13 03:43:50,635 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2021-10-13 03:43:50,645 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2021-10-13 03:43:50,647 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] [2021-10-13 03:43:50,654 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2021-10-13 03:43:50,657 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] [2021-10-13 03:43:50,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:43:50,672 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:43:50,694 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2021-10-13 03:43:50,695 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2021-10-13 03:43:50,697 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2021-10-13 03:43:50,699 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2021-10-13 03:43:50,711 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2021-10-13 03:43:50,727 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2021-10-13 03:43:50,729 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2021-10-13 03:43:50,731 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2021-10-13 03:43:50,734 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2021-10-13 03:43:50,735 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2021-10-13 03:43:50,738 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2021-10-13 03:43:50,739 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2021-10-13 03:43:50,754 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2021-10-13 03:43:50,756 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2021-10-13 03:43:50,760 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2021-10-13 03:43:50,763 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] [2021-10-13 03:43:50,774 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2021-10-13 03:43:50,775 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_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] [2021-10-13 03:43:50,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:43:50,810 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:43:50,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50 WrapperNode [2021-10-13 03:43:50,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:43:50,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:43:50,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:43:50,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:43:50,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2021-10-13 03:43:50,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2021-10-13 03:43:50,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:43:50,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:43:50,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:43:50,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:43:50,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2021-10-13 03:43:50,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2021-10-13 03:43:50,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2021-10-13 03:43:50,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2021-10-13 03:43:50,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2021-10-13 03:43:50,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2021-10-13 03:43:50,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2021-10-13 03:43:50,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:43:50,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:43:50,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:43:50,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:43:50,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:43:50" (1/1) ... [2021-10-13 03:43:50,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:43:51,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:43:51,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:43:51,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:43:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:43:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:43:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:43:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:43:51,669 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:43:51,670 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 03:43:51,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:43:51 BoogieIcfgContainer [2021-10-13 03:43:51,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:43:51,676 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:43:51,678 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:43:51,690 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:43:51,691 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:43:51" (1/1) ... [2021-10-13 03:43:51,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:43:51,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:51,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2021-10-13 03:43:51,760 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2021-10-13 03:43:51,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:43:51,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:51,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:51,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:51,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:51,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2021-10-13 03:43:51,978 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2021-10-13 03:43:51,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:43:51,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:51,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:52,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2021-10-13 03:43:52,189 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2021-10-13 03:43:52,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:43:52,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:52,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:52,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:52,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2021-10-13 03:43:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-10-13 03:43:52,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 03:43:52,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:52,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:52,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2021-10-13 03:43:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2021-10-13 03:43:53,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 03:43:53,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:53,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:53,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2021-10-13 03:43:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2021-10-13 03:43:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 03:43:53,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:53,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:53,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:53,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:53,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2021-10-13 03:43:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2021-10-13 03:43:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:43:53,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:53,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:54,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:54,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2021-10-13 03:43:54,428 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2021-10-13 03:43:54,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:43:54,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:54,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 84 states and 114 transitions. [2021-10-13 03:43:54,761 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2021-10-13 03:43:54,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:43:54,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:54,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 88 states and 117 transitions. [2021-10-13 03:43:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2021-10-13 03:43:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 03:43:55,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:55,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:43:56,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2021-10-13 03:43:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2021-10-13 03:43:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 03:43:56,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:56,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2021-10-13 03:43:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2021-10-13 03:43:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 03:43:56,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:56,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:57,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:57,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2021-10-13 03:43:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-10-13 03:43:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 03:43:57,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:57,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:57,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2021-10-13 03:43:57,666 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2021-10-13 03:43:57,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 03:43:57,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:57,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:57,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:58,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2021-10-13 03:43:58,324 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2021-10-13 03:43:58,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 03:43:58,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:58,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:43:59,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:43:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2021-10-13 03:43:59,305 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-10-13 03:43:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 03:43:59,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:43:59,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:43:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:43:59,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:00,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2021-10-13 03:44:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2021-10-13 03:44:00,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 03:44:00,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:00,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:01,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:01,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2021-10-13 03:44:01,233 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2021-10-13 03:44:01,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 03:44:01,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:01,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2021-10-13 03:44:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2021-10-13 03:44:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 03:44:02,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:02,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:04,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:04,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2021-10-13 03:44:04,735 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2021-10-13 03:44:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 03:44:04,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:04,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:06,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:06,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2021-10-13 03:44:06,588 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2021-10-13 03:44:06,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 03:44:06,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:06,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:06,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:09,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 106 transitions. [2021-10-13 03:44:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-10-13 03:44:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 03:44:09,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:09,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:11,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2021-10-13 03:44:11,135 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2021-10-13 03:44:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 03:44:11,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:11,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:11,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:13,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2021-10-13 03:44:13,595 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2021-10-13 03:44:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 03:44:13,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:13,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:15,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:15,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 91 states and 128 transitions. [2021-10-13 03:44:15,451 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2021-10-13 03:44:15,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 03:44:15,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:15,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:15,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 03:44:15,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:15,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 92 states and 129 transitions. [2021-10-13 03:44:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-10-13 03:44:15,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-13 03:44:15,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:15,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:17,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 96 states and 134 transitions. [2021-10-13 03:44:17,599 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2021-10-13 03:44:17,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-13 03:44:17,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:17,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 105 states and 148 transitions. [2021-10-13 03:44:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 148 transitions. [2021-10-13 03:44:21,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-13 03:44:21,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:21,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 03:44:23,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:23,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 104 states and 146 transitions. [2021-10-13 03:44:23,590 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2021-10-13 03:44:23,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 03:44:23,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:23,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:44:25,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 103 states and 144 transitions. [2021-10-13 03:44:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2021-10-13 03:44:25,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 03:44:25,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:25,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 03:44:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 102 states and 141 transitions. [2021-10-13 03:44:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 141 transitions. [2021-10-13 03:44:27,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 03:44:27,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:30,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 55 states and 76 transitions. [2021-10-13 03:44:30,216 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2021-10-13 03:44:30,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 03:44:30,216 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2021-10-13 03:44:30,223 INFO L759 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2021-10-13 03:44:30,441 INFO L565 CodeCheckObserver]: Invariant with dag size 8 [2021-10-13 03:44:30,452 INFO L565 CodeCheckObserver]: Invariant with dag size 19 [2021-10-13 03:44:30,455 INFO L565 CodeCheckObserver]: Invariant with dag size 8 [2021-10-13 03:44:30,455 INFO L565 CodeCheckObserver]: Invariant with dag size 13 [2021-10-13 03:44:30,456 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:44:30,457 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:44:30,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:44:30 ImpRootNode [2021-10-13 03:44:30,458 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:44:30,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:44:30,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:44:30,465 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:44:30,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:43:51" (3/4) ... [2021-10-13 03:44:30,474 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 03:44:30,498 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-13 03:44:30,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 03:44:30,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 03:44:30,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 03:44:30,603 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:44:30,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:44:30,605 INFO L168 Benchmark]: Toolchain (without parser) took 40288.38 ms. Allocated memory was 86.0 MB in the beginning and 318.8 MB in the end (delta: 232.8 MB). Free memory was 49.2 MB in the beginning and 166.9 MB in the end (delta: -117.7 MB). Peak memory consumption was 115.6 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,605 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 66.2 MB in the beginning and 66.2 MB in the end (delta: 37.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:44:30,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.58 ms. Allocated memory is still 86.0 MB. Free memory was 49.0 MB in the beginning and 53.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.58 ms. Allocated memory is still 86.0 MB. Free memory was 53.1 MB in the beginning and 51.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,607 INFO L168 Benchmark]: Boogie Preprocessor took 77.88 ms. Allocated memory is still 86.0 MB. Free memory was 51.0 MB in the beginning and 49.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:44:30,607 INFO L168 Benchmark]: RCFGBuilder took 692.89 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.6 MB in the beginning and 73.3 MB in the end (delta: -23.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,608 INFO L168 Benchmark]: CodeCheck took 38781.65 ms. Allocated memory was 104.9 MB in the beginning and 318.8 MB in the end (delta: 213.9 MB). Free memory was 73.3 MB in the beginning and 173.2 MB in the end (delta: -99.9 MB). Peak memory consumption was 114.9 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,609 INFO L168 Benchmark]: Witness Printer took 145.03 ms. Allocated memory is still 318.8 MB. Free memory was 173.2 MB in the beginning and 166.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,611 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: 38485.6ms, OverallIterations: 32, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: -257952768 SDtfs, 1501772598 SDslu, 260072890 SDs, 0 SdLazy, 869918722 SolverSat, 928655014 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10548.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7516 GetRequests, 6801 SyntacticMatches, 271 SemanticMatches, 444 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76761 ImplicationChecksByTransitivity, 35405.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 73.6ms SsaConstructionTime, 425.3ms SatisfiabilityAnalysisTime, 4095.9ms 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, 0.0ms 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: main__cp + 1 <= main__urilen && 0 <= main__cp - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (((main__c == 0 && 1 <= main__cp) && main__cp + 1 < main__urilen) || (((main__cp + 1 <= main__urilen && main__c == 0) && main__urilen <= main__cp + 1) && 0 <= main__cp)) || ((main__cp + 1 <= main__urilen && 2 <= main__cp) && 1 <= main__c) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: main__cp + 1 <= main__urilen && 0 <= main__cp - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((main__c == 0 && 1 <= main__cp) && main__cp + 1 < main__urilen) || ((1 <= main__cp && main__cp + 1 < main__urilen) && 1 <= main__c) - 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 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 66.2 MB in the beginning and 66.2 MB in the end (delta: 37.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 495.58 ms. Allocated memory is still 86.0 MB. Free memory was 49.0 MB in the beginning and 53.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.58 ms. Allocated memory is still 86.0 MB. Free memory was 53.1 MB in the beginning and 51.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.88 ms. Allocated memory is still 86.0 MB. Free memory was 51.0 MB in the beginning and 49.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 692.89 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.6 MB in the beginning and 73.3 MB in the end (delta: -23.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * CodeCheck took 38781.65 ms. Allocated memory was 104.9 MB in the beginning and 318.8 MB in the end (delta: 213.9 MB). Free memory was 73.3 MB in the beginning and 173.2 MB in the end (delta: -99.9 MB). Peak memory consumption was 114.9 MB. Max. memory is 16.1 GB. * Witness Printer took 145.03 ms. Allocated memory is still 318.8 MB. Free memory was 173.2 MB in the beginning and 166.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 03:44:30,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e508835e-bcb4-46d7-8a6f-19a96c4edb8d/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...