./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB --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 c858394bc83ab2c402eb20052f936c0a6aa98b2b6b6c704be79c039778bcff97 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:58:27,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:27,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:27,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:27,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:27,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:27,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:27,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:27,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:27,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:27,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:27,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:27,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:27,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:27,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:27,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:27,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:27,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:27,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:27,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:27,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:27,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:27,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:27,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:27,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:27,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:27,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:27,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:27,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:27,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:27,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:27,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:27,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:27,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:27,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:27,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:27,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:27,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:27,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:27,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:27,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:27,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:58:27,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:27,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:27,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:27,608 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:27,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:27,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:27,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:27,609 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:27,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:27,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:27,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:27,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:27,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:27,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:27,611 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:27,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:27,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:27,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:27,612 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:27,612 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:27,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:27,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:27,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:27,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:27,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:27,614 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:27,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:27,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:27,614 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c858394bc83ab2c402eb20052f936c0a6aa98b2b6b6c704be79c039778bcff97 [2022-10-17 16:58:27,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:27,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:27,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:27,873 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:27,874 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:27,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/dll-queue-1.i [2022-10-17 16:58:27,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/data/469fc5404/dc541903efcc42498baeb384f5537289/FLAG9946deca5 [2022-10-17 16:58:28,514 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:28,514 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i [2022-10-17 16:58:28,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/data/469fc5404/dc541903efcc42498baeb384f5537289/FLAG9946deca5 [2022-10-17 16:58:28,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/data/469fc5404/dc541903efcc42498baeb384f5537289 [2022-10-17 16:58:28,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:28,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:28,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:28,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:28,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:28,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:28" (1/1) ... [2022-10-17 16:58:28,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ab8d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:28, skipping insertion in model container [2022-10-17 16:58:28,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:28" (1/1) ... [2022-10-17 16:58:28,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:28,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:29,186 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22460,22473] [2022-10-17 16:58:29,190 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22531,22544] [2022-10-17 16:58:29,192 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22605,22618] [2022-10-17 16:58:29,193 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22697,22710] [2022-10-17 16:58:29,194 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22774,22787] [2022-10-17 16:58:29,195 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22869,22882] [2022-10-17 16:58:29,196 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22946,22959] [2022-10-17 16:58:29,197 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23029,23042] [2022-10-17 16:58:29,198 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23124,23137] [2022-10-17 16:58:29,199 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23201,23214] [2022-10-17 16:58:29,200 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23284,23297] [2022-10-17 16:58:29,202 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23373,23386] [2022-10-17 16:58:29,203 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23459,23472] [2022-10-17 16:58:29,205 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23604,23617] [2022-10-17 16:58:29,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:29,217 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:29,253 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22460,22473] [2022-10-17 16:58:29,254 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22531,22544] [2022-10-17 16:58:29,255 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22605,22618] [2022-10-17 16:58:29,256 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22697,22710] [2022-10-17 16:58:29,257 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22774,22787] [2022-10-17 16:58:29,258 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22869,22882] [2022-10-17 16:58:29,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[22946,22959] [2022-10-17 16:58:29,260 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23029,23042] [2022-10-17 16:58:29,261 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23124,23137] [2022-10-17 16:58:29,262 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23201,23214] [2022-10-17 16:58:29,263 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23284,23297] [2022-10-17 16:58:29,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23373,23386] [2022-10-17 16:58:29,266 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23459,23472] [2022-10-17 16:58:29,267 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_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/sv-benchmarks/c/forester-heap/dll-queue-1.i[23604,23617] [2022-10-17 16:58:29,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:29,300 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:29,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:29 WrapperNode [2022-10-17 16:58:29,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:29,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:29,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:29,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:29,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:29" (1/1) ... [2022-10-17 16:58:29,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:29" (1/1) ... [2022-10-17 16:58:29,355 INFO L138 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 223 [2022-10-17 16:58:29,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:29,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:29,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:29,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:29,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:29" (1/1) ... [2022-10-17 16:58:29,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:29" (1/1) ... [2022-10-17 16:58:29,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:29" (1/1) ... [2022-10-17 16:58:29,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:29" (1/1) ... [2022-10-17 16:58:29,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:29" (1/1) ... [2022-10-17 16:58:29,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:29" (1/1) ... [2022-10-17 16:58:29,391 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:29" (1/1) ... [2022-10-17 16:58:29,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:29" (1/1) ... [2022-10-17 16:58:29,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:29,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:29,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:29,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:29,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:29" (1/1) ... [2022-10-17 16:58:29,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:29,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:29,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:29,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ab3953-401e-4dc9-8cb5-e10eb3b04bab/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:58:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:58:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:58:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:58:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:58:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:58:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:29,609 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:29,611 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:30,122 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:30,239 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:30,247 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-10-17 16:58:30,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:30 BoogieIcfgContainer [2022-10-17 16:58:30,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:30,254 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:30,254 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:30,266 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:30,266 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:30" (1/1) ... [2022-10-17 16:58:30,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:58:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2022-10-17 16:58:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2022-10-17 16:58:30,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:58:30,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:30,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:30,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2022-10-17 16:58:30,556 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2022-10-17 16:58:30,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:58:30,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:30,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2022-10-17 16:58:30,895 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2022-10-17 16:58:30,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:58:30,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:30,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:30,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:30,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:30,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2022-10-17 16:58:30,956 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2022-10-17 16:58:30,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:58:30,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:30,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:31,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:32,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2022-10-17 16:58:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2022-10-17 16:58:32,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:58:32,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:32,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:32,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 89 states and 134 transitions. [2022-10-17 16:58:32,392 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2022-10-17 16:58:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:58:32,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:32,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:32,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:32,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2022-10-17 16:58:32,462 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2022-10-17 16:58:32,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:58:32,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:32,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:32,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:32,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 91 states and 130 transitions. [2022-10-17 16:58:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2022-10-17 16:58:32,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:58:32,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:32,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:32,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:58:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2022-10-17 16:58:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2022-10-17 16:58:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:58:32,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:32,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2022-10-17 16:58:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2022-10-17 16:58:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:58:32,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:32,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:32,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:32,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2022-10-17 16:58:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2022-10-17 16:58:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:58:32,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:32,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 89 states and 123 transitions. [2022-10-17 16:58:33,466 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 123 transitions. [2022-10-17 16:58:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:58:33,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:33,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:33,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 91 states and 125 transitions. [2022-10-17 16:58:33,689 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2022-10-17 16:58:33,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:58:33,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:33,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 106 states and 144 transitions. [2022-10-17 16:58:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2022-10-17 16:58:35,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:58:35,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:35,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 109 states and 149 transitions. [2022-10-17 16:58:35,829 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2022-10-17 16:58:35,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:58:35,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:35,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:36,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:37,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:37,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 119 states and 167 transitions. [2022-10-17 16:58:37,173 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 167 transitions. [2022-10-17 16:58:37,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:58:37,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:37,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:37,261 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:58:37,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 121 states and 171 transitions. [2022-10-17 16:58:37,346 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 171 transitions. [2022-10-17 16:58:37,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:58:37,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:37,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:37,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:37,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 122 states and 173 transitions. [2022-10-17 16:58:37,452 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2022-10-17 16:58:37,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:58:37,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:37,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:58:37,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:37,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 124 states and 177 transitions. [2022-10-17 16:58:37,560 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2022-10-17 16:58:37,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:58:37,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:37,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:42,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:42,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 144 states and 210 transitions. [2022-10-17 16:58:42,154 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2022-10-17 16:58:42,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:58:42,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:42,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:44,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 146 states and 216 transitions. [2022-10-17 16:58:44,726 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 216 transitions. [2022-10-17 16:58:44,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:58:44,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:44,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 156 states and 226 transitions. [2022-10-17 16:58:46,190 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 226 transitions. [2022-10-17 16:58:46,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:58:46,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:46,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 158 states and 229 transitions. [2022-10-17 16:58:46,763 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 229 transitions. [2022-10-17 16:58:46,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:58:46,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:51,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 178 states and 262 transitions. [2022-10-17 16:58:51,322 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 262 transitions. [2022-10-17 16:58:51,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:58:51,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:51,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 198 states and 292 transitions. [2022-10-17 16:58:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 292 transitions. [2022-10-17 16:58:56,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:58:56,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:56,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat