./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-queue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4 --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 af4a0e4f738e916feae01fb2c2f056f4ba7834b8a7b8d69765614c5417c16c63 --- 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-2329fc7 [2022-12-14 19:10:10,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:10:10,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:10:10,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:10:10,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:10:10,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:10:10,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:10:10,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:10:10,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:10:10,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:10:10,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:10:10,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:10:10,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:10:10,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:10:10,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:10:10,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:10:10,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:10:10,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:10:10,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:10:10,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:10:10,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:10:10,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:10:10,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:10:10,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:10:10,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:10:10,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:10:10,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:10:10,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:10:10,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:10:10,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:10:10,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:10:10,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:10:10,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:10:10,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:10:10,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:10:10,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:10:10,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:10:10,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:10:10,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:10:10,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:10:10,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:10:10,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:10:10,206 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:10:10,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:10:10,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:10:10,207 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:10:10,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:10:10,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:10:10,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:10:10,209 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:10:10,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:10:10,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:10:10,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:10:10,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:10:10,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:10:10,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:10:10,210 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:10:10,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:10:10,210 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:10:10,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:10:10,210 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:10:10,210 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:10:10,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:10:10,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:10:10,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:10:10,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:10:10,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:10:10,211 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:10:10,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:10:10,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:10:10,212 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_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4a0e4f738e916feae01fb2c2f056f4ba7834b8a7b8d69765614c5417c16c63 [2022-12-14 19:10:10,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:10:10,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:10:10,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:10:10,425 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:10:10,426 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:10:10,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/forester-heap/sll-queue-2.i [2022-12-14 19:10:13,046 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:10:13,196 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:10:13,197 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i [2022-12-14 19:10:13,205 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/data/3538a1a34/b9fbd47bb1a24670bb78725ed97d97d7/FLAG57da73964 [2022-12-14 19:10:13,217 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/data/3538a1a34/b9fbd47bb1a24670bb78725ed97d97d7 [2022-12-14 19:10:13,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:10:13,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:10:13,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:10:13,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:10:13,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:10:13,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246b9d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13, skipping insertion in model container [2022-12-14 19:10:13,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:10:13,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:10:13,431 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22387,22400] [2022-12-14 19:10:13,435 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22458,22471] [2022-12-14 19:10:13,436 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22532,22545] [2022-12-14 19:10:13,437 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22624,22637] [2022-12-14 19:10:13,437 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22701,22714] [2022-12-14 19:10:13,438 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22796,22809] [2022-12-14 19:10:13,439 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22873,22886] [2022-12-14 19:10:13,440 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22956,22969] [2022-12-14 19:10:13,440 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[23051,23064] [2022-12-14 19:10:13,441 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[23128,23141] [2022-12-14 19:10:13,442 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[23211,23224] [2022-12-14 19:10:13,443 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[23300,23313] [2022-12-14 19:10:13,444 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[23386,23399] [2022-12-14 19:10:13,445 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[23532,23545] [2022-12-14 19:10:13,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:10:13,456 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:10:13,481 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22387,22400] [2022-12-14 19:10:13,482 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22458,22471] [2022-12-14 19:10:13,483 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22532,22545] [2022-12-14 19:10:13,483 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22624,22637] [2022-12-14 19:10:13,484 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22701,22714] [2022-12-14 19:10:13,485 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22796,22809] [2022-12-14 19:10:13,485 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22873,22886] [2022-12-14 19:10:13,486 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[22956,22969] [2022-12-14 19:10:13,487 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[23051,23064] [2022-12-14 19:10:13,487 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[23128,23141] [2022-12-14 19:10:13,488 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[23211,23224] [2022-12-14 19:10:13,489 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[23300,23313] [2022-12-14 19:10:13,490 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[23386,23399] [2022-12-14 19:10:13,491 WARN L237 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_185cf7c1-9799-411e-9b68-334badee161a/sv-benchmarks/c/forester-heap/sll-queue-2.i[23532,23545] [2022-12-14 19:10:13,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:10:13,509 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:10:13,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13 WrapperNode [2022-12-14 19:10:13,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:10:13,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:10:13,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:10:13,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:10:13,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,543 INFO L138 Inliner]: procedures = 119, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 219 [2022-12-14 19:10:13,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:10:13,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:10:13,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:10:13,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:10:13,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,568 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:10:13,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:10:13,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:10:13,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:10:13,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:13" (1/1) ... [2022-12-14 19:10:13,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:10:13,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:10:13,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:10:13,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:10:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 19:10:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 19:10:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 19:10:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:10:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 19:10:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 19:10:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 19:10:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:10:13,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:10:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:10:13,732 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:10:13,734 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:10:13,991 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:10:14,053 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:10:14,053 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-12-14 19:10:14,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:10:14 BoogieIcfgContainer [2022-12-14 19:10:14,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:10:14,057 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:10:14,057 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:10:14,066 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:10:14,066 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:10:14" (1/1) ... [2022-12-14 19:10:14,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:10:14,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2022-12-14 19:10:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2022-12-14 19:10:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:10:14,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:14,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:14,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:14,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2022-12-14 19:10:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2022-12-14 19:10:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 19:10:14,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:14,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:14,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:14,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:14,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2022-12-14 19:10:14,396 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2022-12-14 19:10:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 19:10:14,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:14,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:14,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:14,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2022-12-14 19:10:14,433 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2022-12-14 19:10:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:10:14,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:14,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:14,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:14,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:14,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 82 states and 124 transitions. [2022-12-14 19:10:14,538 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2022-12-14 19:10:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:10:14,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:14,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:14,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2022-12-14 19:10:14,647 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2022-12-14 19:10:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 19:10:14,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:14,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:14,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:14,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:14,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 88 states and 127 transitions. [2022-12-14 19:10:14,682 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2022-12-14 19:10:14,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 19:10:14,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:14,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:14,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:14,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2022-12-14 19:10:14,718 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2022-12-14 19:10:14,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 19:10:14,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:14,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:10:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2022-12-14 19:10:14,806 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2022-12-14 19:10:14,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:10:14,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:14,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:14,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:10:14,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2022-12-14 19:10:14,879 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2022-12-14 19:10:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:10:14,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:14,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:14,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 80 states and 110 transitions. [2022-12-14 19:10:14,954 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2022-12-14 19:10:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 19:10:14,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:14,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:15,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:15,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 89 states and 119 transitions. [2022-12-14 19:10:15,252 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2022-12-14 19:10:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:10:15,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:15,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:15,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:15,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:15,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 104 states and 136 transitions. [2022-12-14 19:10:15,898 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2022-12-14 19:10:15,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:10:15,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:15,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 106 states and 139 transitions. [2022-12-14 19:10:16,216 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2022-12-14 19:10:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:10:16,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:16,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:10:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 109 states and 141 transitions. [2022-12-14 19:10:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 141 transitions. [2022-12-14 19:10:16,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:10:16,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:16,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 19:10:16,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 111 states and 145 transitions. [2022-12-14 19:10:16,441 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2022-12-14 19:10:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:10:16,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:16,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:16,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:16,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 149 transitions. [2022-12-14 19:10:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 149 transitions. [2022-12-14 19:10:16,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:10:16,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:16,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:17,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:17,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 122 states and 160 transitions. [2022-12-14 19:10:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 160 transitions. [2022-12-14 19:10:17,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:10:17,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:17,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:17,548 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:18,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 142 states and 184 transitions. [2022-12-14 19:10:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 184 transitions. [2022-12-14 19:10:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 19:10:18,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:18,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:20,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 164 states and 222 transitions. [2022-12-14 19:10:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 222 transitions. [2022-12-14 19:10:20,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 19:10:20,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:20,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:23,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 187 states and 252 transitions. [2022-12-14 19:10:23,449 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 252 transitions. [2022-12-14 19:10:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 19:10:23,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:23,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:23,496 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 19:10:23,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:23,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 189 states and 257 transitions. [2022-12-14 19:10:23,646 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 257 transitions. [2022-12-14 19:10:23,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 19:10:23,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:23,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:24,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:24,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 194 states and 267 transitions. [2022-12-14 19:10:24,747 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 267 transitions. [2022-12-14 19:10:24,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 19:10:24,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:24,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:25,536 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 215 states and 304 transitions. [2022-12-14 19:10:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 304 transitions. [2022-12-14 19:10:27,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 19:10:27,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:27,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 234 states and 342 transitions. [2022-12-14 19:10:33,105 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 342 transitions. [2022-12-14 19:10:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:10:33,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:33,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:33,515 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:34,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 244 states and 357 transitions. [2022-12-14 19:10:34,676 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 357 transitions. [2022-12-14 19:10:34,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:10:34,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:34,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:34,854 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:35,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:35,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 245 states and 358 transitions. [2022-12-14 19:10:35,076 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 358 transitions. [2022-12-14 19:10:35,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 19:10:35,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:35,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:35,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:35,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 246 states and 361 transitions. [2022-12-14 19:10:35,340 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 361 transitions. [2022-12-14 19:10:35,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 19:10:35,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:35,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:36,805 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:38,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 270 states and 398 transitions. [2022-12-14 19:10:38,954 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 398 transitions. [2022-12-14 19:10:38,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 19:10:38,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:38,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:43,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:43,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 289 states and 427 transitions. [2022-12-14 19:10:43,568 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 427 transitions. [2022-12-14 19:10:43,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 19:10:43,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:43,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:45,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:45,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 290 states and 429 transitions. [2022-12-14 19:10:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 429 transitions. [2022-12-14 19:10:45,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 19:10:45,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:45,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:45,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:46,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:46,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 291 states and 429 transitions. [2022-12-14 19:10:46,088 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 429 transitions. [2022-12-14 19:10:46,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 19:10:46,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:46,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:46,892 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 297 states and 442 transitions. [2022-12-14 19:10:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 442 transitions. [2022-12-14 19:10:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 19:10:48,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:48,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:10:56,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 324 states and 489 transitions. [2022-12-14 19:10:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 489 transitions. [2022-12-14 19:10:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 19:10:56,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:56,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:56,817 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:10:57,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:57,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 326 states and 493 transitions. [2022-12-14 19:10:57,843 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 493 transitions. [2022-12-14 19:10:57,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:10:57,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:57,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:59,172 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:11:00,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:11:00,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 332 states and 507 transitions. [2022-12-14 19:11:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 507 transitions. [2022-12-14 19:11:00,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:11:00,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:11:00,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:11:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:11:00,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 19:11:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:11:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:11:01,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 19:11:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:11:01,400 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 36 iterations. [2022-12-14 19:11:01,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:11:01 ImpRootNode [2022-12-14 19:11:01,426 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:11:01,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:11:01,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:11:01,426 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:11:01,427 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:10:14" (3/4) ... [2022-12-14 19:11:01,428 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 19:11:01,477 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:11:01,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:11:01,478 INFO L158 Benchmark]: Toolchain (without parser) took 48258.30ms. Allocated memory was 142.6MB in the beginning and 627.0MB in the end (delta: 484.4MB). Free memory was 103.4MB in the beginning and 357.2MB in the end (delta: -253.8MB). Peak memory consumption was 232.8MB. Max. memory is 16.1GB. [2022-12-14 19:11:01,478 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:11:01,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.33ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 83.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 19:11:01,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.42ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 80.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 19:11:01,480 INFO L158 Benchmark]: Boogie Preprocessor took 27.44ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:11:01,480 INFO L158 Benchmark]: RCFGBuilder took 484.72ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 55.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 19:11:01,481 INFO L158 Benchmark]: CodeCheck took 47368.93ms. Allocated memory was 142.6MB in the beginning and 627.0MB in the end (delta: 484.4MB). Free memory was 55.8MB in the beginning and 360.4MB in the end (delta: -304.6MB). Peak memory consumption was 180.4MB. Max. memory is 16.1GB. [2022-12-14 19:11:01,481 INFO L158 Benchmark]: Witness Printer took 51.52ms. Allocated memory is still 627.0MB. Free memory was 360.4MB in the beginning and 357.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 19:11:01,484 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, 76 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 47.3s, OverallIterations: 36, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11138 SdHoareTripleChecker+Valid, 23.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7695 mSDsluCounter, 9465 SdHoareTripleChecker+Invalid, 21.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8127 mSDsCounter, 1572 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13579 IncrementalHoareTripleChecker+Invalid, 15151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1572 mSolverCounterUnsat, 1338 mSDtfsCounter, 13579 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6880 GetRequests, 6123 SyntacticMatches, 259 SemanticMatches, 498 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142865 ImplicationChecksByTransitivity, 34.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 843 NumberOfCodeBlocks, 843 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 768 ConstructedInterpolants, 0 QuantifiedInterpolants, 12315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 12 PerfectInterpolantSequences, 56/363 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1046]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L996] SLL* head = malloc(sizeof(SLL)); [L997] head->next = ((void*)0) [L998] head->data = 0 [L999] SLL* item = head; [L1000] int status = 0; VAL [head={5454:0}, item={5454:0}, status=0] [L1002] COND TRUE __VERIFIER_nondet_int() [L1004] item->next = malloc(sizeof(SLL)) [L1005] EXPR item->next [L1005] item = item->next [L1006] item->next = ((void*)0) [L1008] COND TRUE !status [L1010] item->data = 1 [L1011] status = 1 VAL [head={5454:0}, item={5455:0}, status=1] [L1024] COND FALSE !(!(head != ((void*)0))) VAL [head={5454:0}, item={5455:0}, status=1] [L1025] COND FALSE !(!(item != ((void*)0))) VAL [head={5454:0}, item={5455:0}, status=1] [L1002] COND TRUE __VERIFIER_nondet_int() [L1004] item->next = malloc(sizeof(SLL)) [L1005] EXPR item->next [L1005] item = item->next [L1006] item->next = ((void*)0) [L1008] COND FALSE !(!status) [L1013] COND TRUE status == 1 [L1015] item->data = 2 [L1016] status = 2 VAL [head={5454:0}, item={-2:0}, status=2] [L1024] COND FALSE !(!(head != ((void*)0))) VAL [head={5454:0}, item={-2:0}, status=2] [L1025] COND FALSE !(!(item != ((void*)0))) VAL [head={5454:0}, item={-2:0}, status=2] [L1002] COND TRUE __VERIFIER_nondet_int() [L1004] item->next = malloc(sizeof(SLL)) [L1005] EXPR item->next [L1005] item = item->next [L1006] item->next = ((void*)0) [L1008] COND FALSE !(!status) [L1013] COND FALSE !(status == 1) [L1018] COND TRUE status >= 2 [L1020] item->data = 3 [L1021] status = 3 VAL [head={5454:0}, item={-1:0}, status=3] [L1024] COND FALSE !(!(head != ((void*)0))) VAL [head={5454:0}, item={-1:0}, status=3] [L1025] COND FALSE !(!(item != ((void*)0))) VAL [head={5454:0}, item={-1:0}, status=3] [L1002] COND FALSE !(__VERIFIER_nondet_int()) [L1028] COND FALSE !(!(head != ((void*)0))) VAL [head={5454:0}, item={-1:0}, status=3] [L1029] COND FALSE !(status == 1) VAL [head={5454:0}, item={-1:0}, status=3] [L1034] COND FALSE !(status == 2) VAL [head={5454:0}, item={-1:0}, status=3] [L1040] COND TRUE status == 3 VAL [head={5454:0}, item={-1:0}, status=3] [L1042] COND FALSE !(!(head != ((void*)0))) VAL [head={5454:0}, item={-1:0}, status=3] [L1043] EXPR head->next VAL [head={5454:0}, head->next={5455:0}, item={-1:0}, status=3] [L1043] COND FALSE !(!(head->next != ((void*)0))) [L1044] EXPR head->next [L1044] EXPR head->next->next VAL [head={5454:0}, head->next={5455:0}, head->next->next={-2:0}, item={-1:0}, status=3] [L1044] COND FALSE !(!(head->next->next != ((void*)0))) [L1045] EXPR head->next [L1045] EXPR head->next->next [L1045] EXPR head->next->next->next VAL [head={5454:0}, head->next={5455:0}, head->next->next={-2:0}, head->next->next->next={-1:0}, item={-1:0}, status=3] [L1045] COND FALSE !(!(head->next->next->next != ((void*)0))) [L1046] EXPR head->next [L1046] EXPR head->next->next [L1046] EXPR head->next->next->next [L1046] EXPR head->next->next->next->data VAL [head={5454:0}, head->next={5455:0}, head->next->next={-2:0}, head->next->next->next={-1:0}, head->next->next->next->data=3, item={-1:0}, status=3] [L1046] COND TRUE !(head->next->next->next->data != 3) [L1046] reach_error() VAL [head={5454:0}, item={-1:0}, status=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.33ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 83.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.42ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 80.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.44ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.72ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 55.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 47368.93ms. Allocated memory was 142.6MB in the beginning and 627.0MB in the end (delta: 484.4MB). Free memory was 55.8MB in the beginning and 360.4MB in the end (delta: -304.6MB). Peak memory consumption was 180.4MB. Max. memory is 16.1GB. * Witness Printer took 51.52ms. Allocated memory is still 627.0MB. Free memory was 360.4MB in the beginning and 357.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 19:11:01,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_185cf7c1-9799-411e-9b68-334badee161a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE