./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/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 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 --- 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 [2022-12-15 02:30:28,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:30:28,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:30:28,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:30:28,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:30:28,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:30:28,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:30:28,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:30:28,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:30:28,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:30:28,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:30:28,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:30:28,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:30:28,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:30:28,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:30:28,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:30:28,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:30:28,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:30:28,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:30:28,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:30:28,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:30:28,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:30:28,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:30:28,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:30:28,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:30:28,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:30:28,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:30:28,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:30:28,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:30:28,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:30:28,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:30:28,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:30:28,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:30:28,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:30:28,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:30:28,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:30:28,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:30:28,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:30:28,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:30:28,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:30:28,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:30:28,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 02:30:28,084 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:30:28,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:30:28,085 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:30:28,085 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:30:28,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:30:28,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:30:28,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:30:28,086 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:30:28,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:30:28,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:30:28,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:30:28,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:30:28,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:30:28,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:30:28,086 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:30:28,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:30:28,087 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:30:28,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:30:28,087 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:30:28,087 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:30:28,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:30:28,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:30:28,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:30:28,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:30:28,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:30:28,088 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:30:28,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:30:28,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:30:28,088 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 [2022-12-15 02:30:28,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:30:28,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:30:28,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:30:28,271 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:30:28,271 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:30:28,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/forester-heap/dll-queue-2.i [2022-12-15 02:30:30,838 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:30:31,031 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:30:31,031 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i [2022-12-15 02:30:31,040 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/bin/ukojak-rkRKPMF4O4/data/02eb47494/6c40d0cf77794466a5502fb6e5925ff8/FLAG990b94b69 [2022-12-15 02:30:31,051 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/bin/ukojak-rkRKPMF4O4/data/02eb47494/6c40d0cf77794466a5502fb6e5925ff8 [2022-12-15 02:30:31,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:30:31,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:30:31,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:30:31,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:30:31,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:30:31,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ddeda3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31, skipping insertion in model container [2022-12-15 02:30:31,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:30:31,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:30:31,273 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2022-12-15 02:30:31,277 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2022-12-15 02:30:31,277 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2022-12-15 02:30:31,278 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2022-12-15 02:30:31,278 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2022-12-15 02:30:31,279 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2022-12-15 02:30:31,280 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2022-12-15 02:30:31,280 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2022-12-15 02:30:31,281 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2022-12-15 02:30:31,281 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2022-12-15 02:30:31,282 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2022-12-15 02:30:31,283 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2022-12-15 02:30:31,283 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2022-12-15 02:30:31,284 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2022-12-15 02:30:31,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:30:31,294 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:30:31,318 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22460,22473] [2022-12-15 02:30:31,318 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22531,22544] [2022-12-15 02:30:31,319 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22605,22618] [2022-12-15 02:30:31,319 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22697,22710] [2022-12-15 02:30:31,320 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22774,22787] [2022-12-15 02:30:31,320 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22869,22882] [2022-12-15 02:30:31,321 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[22946,22959] [2022-12-15 02:30:31,322 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23029,23042] [2022-12-15 02:30:31,322 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23124,23137] [2022-12-15 02:30:31,323 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23201,23214] [2022-12-15 02:30:31,323 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23284,23297] [2022-12-15 02:30:31,324 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23373,23386] [2022-12-15 02:30:31,325 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23459,23472] [2022-12-15 02:30:31,326 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_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/sv-benchmarks/c/forester-heap/dll-queue-2.i[23604,23617] [2022-12-15 02:30:31,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:30:31,343 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:30:31,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31 WrapperNode [2022-12-15 02:30:31,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:30:31,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:30:31,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:30:31,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:30:31,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,375 INFO L138 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 223 [2022-12-15 02:30:31,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:30:31,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:30:31,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:30:31,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:30:31,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,397 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:30:31,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:30:31,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:30:31,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:30:31,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:30:31,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:30:31,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:30:31,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:30:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:30:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:30:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 02:30:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:30:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 02:30:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 02:30:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:30:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:30:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:30:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:30:31,548 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:30:31,549 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:30:31,759 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:30:31,803 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:30:31,803 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-12-15 02:30:31,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:30:31 BoogieIcfgContainer [2022-12-15 02:30:31,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:30:31,806 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:30:31,806 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:30:31,814 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:30:31,814 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:30:31" (1/1) ... [2022-12-15 02:30:31,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:30:31,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:31,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2022-12-15 02:30:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2022-12-15 02:30:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:30:31,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:31,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:32,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2022-12-15 02:30:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2022-12-15 02:30:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 02:30:32,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:32,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2022-12-15 02:30:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2022-12-15 02:30:32,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 02:30:32,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:32,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:32,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:32,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:32,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2022-12-15 02:30:32,281 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2022-12-15 02:30:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:30:32,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:32,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:32,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:32,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2022-12-15 02:30:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2022-12-15 02:30:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:30:32,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:32,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:32,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:33,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:33,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 89 states and 134 transitions. [2022-12-15 02:30:33,063 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2022-12-15 02:30:33,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:30:33,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:33,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:33,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:33,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:33,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2022-12-15 02:30:33,101 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2022-12-15 02:30:33,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:30:33,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:33,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:33,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 91 states and 130 transitions. [2022-12-15 02:30:33,134 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2022-12-15 02:30:33,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 02:30:33,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:33,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 02:30:33,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:33,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2022-12-15 02:30:33,210 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2022-12-15 02:30:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:30:33,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:33,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:30:33,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:33,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2022-12-15 02:30:33,276 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2022-12-15 02:30:33,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:30:33,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:33,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:33,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2022-12-15 02:30:33,353 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2022-12-15 02:30:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 02:30:33,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:33,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:33,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:33,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 89 states and 123 transitions. [2022-12-15 02:30:33,687 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 123 transitions. [2022-12-15 02:30:33,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 02:30:33,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:33,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:33,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:33,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 91 states and 125 transitions. [2022-12-15 02:30:33,850 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2022-12-15 02:30:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:30:33,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:33,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:34,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 106 states and 144 transitions. [2022-12-15 02:30:34,833 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2022-12-15 02:30:34,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:30:34,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:34,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:35,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 109 states and 149 transitions. [2022-12-15 02:30:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2022-12-15 02:30:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:30:35,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:35,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:30:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:36,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 119 states and 167 transitions. [2022-12-15 02:30:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 167 transitions. [2022-12-15 02:30:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:30:36,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:36,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:36,048 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 02:30:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:36,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 121 states and 171 transitions. [2022-12-15 02:30:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 171 transitions. [2022-12-15 02:30:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:30:36,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:36,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:36,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 122 states and 173 transitions. [2022-12-15 02:30:36,184 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2022-12-15 02:30:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 02:30:36,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:36,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:36,222 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 02:30:36,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:36,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 124 states and 177 transitions. [2022-12-15 02:30:36,238 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2022-12-15 02:30:36,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:30:36,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:36,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 144 states and 210 transitions. [2022-12-15 02:30:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2022-12-15 02:30:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:30:38,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:38,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:39,780 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:40,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:40,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 146 states and 216 transitions. [2022-12-15 02:30:40,202 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 216 transitions. [2022-12-15 02:30:40,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 02:30:40,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:40,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:41,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:41,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 156 states and 226 transitions. [2022-12-15 02:30:41,257 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 226 transitions. [2022-12-15 02:30:41,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 02:30:41,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:41,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:41,348 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:41,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 158 states and 229 transitions. [2022-12-15 02:30:41,629 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 229 transitions. [2022-12-15 02:30:41,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 02:30:41,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:41,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:44,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 178 states and 262 transitions. [2022-12-15 02:30:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 262 transitions. [2022-12-15 02:30:44,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 02:30:44,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:44,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:45,700 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:47,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:47,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 198 states and 292 transitions. [2022-12-15 02:30:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 292 transitions. [2022-12-15 02:30:47,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 02:30:47,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:47,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:49,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 200 states and 295 transitions. [2022-12-15 02:30:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 295 transitions. [2022-12-15 02:30:49,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:30:49,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:49,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 02:30:50,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:50,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 208 states and 308 transitions. [2022-12-15 02:30:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 308 transitions. [2022-12-15 02:30:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:30:50,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:50,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:51,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 218 states and 326 transitions. [2022-12-15 02:30:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 326 transitions. [2022-12-15 02:30:51,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:30:51,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:51,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:51,758 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:52,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 223 states and 334 transitions. [2022-12-15 02:30:52,228 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 334 transitions. [2022-12-15 02:30:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 02:30:52,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:52,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:54,190 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 232 states and 351 transitions. [2022-12-15 02:30:55,286 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 351 transitions. [2022-12-15 02:30:55,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 02:30:55,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:55,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:30:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:30:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 234 states and 354 transitions. [2022-12-15 02:30:57,168 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 354 transitions. [2022-12-15 02:30:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 02:30:57,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:30:57,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:30:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:30:58,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:02,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 253 states and 390 transitions. [2022-12-15 02:31:02,108 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 390 transitions. [2022-12-15 02:31:02,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 02:31:02,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:02,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:04,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:04,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 264 states and 409 transitions. [2022-12-15 02:31:04,625 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 409 transitions. [2022-12-15 02:31:04,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 02:31:04,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:04,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 266 states and 412 transitions. [2022-12-15 02:31:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 412 transitions. [2022-12-15 02:31:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 02:31:05,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:05,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 02:31:05,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:05,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 267 states and 415 transitions. [2022-12-15 02:31:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 415 transitions. [2022-12-15 02:31:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 02:31:05,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:05,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:10,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:10,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 291 states and 461 transitions. [2022-12-15 02:31:10,617 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 461 transitions. [2022-12-15 02:31:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 02:31:10,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:10,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:13,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 293 states and 465 transitions. [2022-12-15 02:31:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 465 transitions. [2022-12-15 02:31:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 02:31:13,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:19,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:19,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 313 states and 507 transitions. [2022-12-15 02:31:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 507 transitions. [2022-12-15 02:31:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 02:31:19,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:19,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:25,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 332 states and 537 transitions. [2022-12-15 02:31:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 537 transitions. [2022-12-15 02:31:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 02:31:25,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:25,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:28,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 333 states and 537 transitions. [2022-12-15 02:31:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 537 transitions. [2022-12-15 02:31:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 02:31:28,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:28,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 360 states and 592 transitions. [2022-12-15 02:31:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 592 transitions. [2022-12-15 02:31:37,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 02:31:37,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:37,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:41,044 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:43,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:43,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 366 states and 608 transitions. [2022-12-15 02:31:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 608 transitions. [2022-12-15 02:31:43,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 02:31:43,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:43,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 371 states and 632 transitions. [2022-12-15 02:31:47,569 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 632 transitions. [2022-12-15 02:31:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 02:31:47,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:47,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:31:49,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:49,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 373 states and 636 transitions. [2022-12-15 02:31:49,410 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 636 transitions. [2022-12-15 02:31:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 02:31:49,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:49,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:31:53,445 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:31:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:31:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 379 states and 656 transitions. [2022-12-15 02:31:55,649 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 656 transitions. [2022-12-15 02:31:55,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 02:31:55,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:31:55,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:31:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:31:55,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 02:31:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:31:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:31:56,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 02:31:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:31:58,173 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 45 iterations. [2022-12-15 02:31:58,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:31:58 ImpRootNode [2022-12-15 02:31:58,197 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:31:58,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:31:58,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:31:58,198 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:31:58,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:30:31" (3/4) ... [2022-12-15 02:31:58,199 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 02:31:58,236 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:31:58,236 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:31:58,236 INFO L158 Benchmark]: Toolchain (without parser) took 87182.46ms. Allocated memory was 148.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 114.9MB in the beginning and 820.9MB in the end (delta: -706.0MB). Peak memory consumption was 506.7MB. Max. memory is 16.1GB. [2022-12-15 02:31:58,237 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 148.9MB. Free memory was 92.1MB in the beginning and 92.0MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:31:58,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.59ms. Allocated memory is still 148.9MB. Free memory was 114.9MB in the beginning and 95.1MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 02:31:58,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.79ms. Allocated memory is still 148.9MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:31:58,238 INFO L158 Benchmark]: Boogie Preprocessor took 24.12ms. Allocated memory is still 148.9MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:31:58,238 INFO L158 Benchmark]: RCFGBuilder took 404.83ms. Allocated memory is still 148.9MB. Free memory was 90.4MB in the beginning and 65.7MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-15 02:31:58,238 INFO L158 Benchmark]: CodeCheck took 86391.02ms. Allocated memory was 148.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 65.7MB in the beginning and 824.1MB in the end (delta: -758.4MB). Peak memory consumption was 452.2MB. Max. memory is 16.1GB. [2022-12-15 02:31:58,239 INFO L158 Benchmark]: Witness Printer took 38.40ms. Allocated memory is still 1.4GB. Free memory was 824.1MB in the beginning and 820.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:31:58,242 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: 86.3s, OverallIterations: 45, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16510 SdHoareTripleChecker+Valid, 65.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11537 mSDsluCounter, 15438 SdHoareTripleChecker+Invalid, 60.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13596 mSDsCounter, 2956 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20939 IncrementalHoareTripleChecker+Invalid, 23895 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2956 mSolverCounterUnsat, 1842 mSDtfsCounter, 20939 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9347 GetRequests, 8395 SyntacticMatches, 330 SemanticMatches, 622 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223194 ImplicationChecksByTransitivity, 48.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 34.8s InterpolantComputationTime, 1093 NumberOfCodeBlocks, 1093 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1009 ConstructedInterpolants, 0 QuantifiedInterpolants, 15648 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 15 PerfectInterpolantSequences, 63/501 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: 1049]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L997] SLL* head = malloc(sizeof(SLL)); [L998] head->next = ((void*)0) [L999] head->prev = ((void*)0) [L1000] head->data = 0 [L1001] SLL* item = head; [L1002] int status = 0; VAL [head={-1:0}, item={-1:0}, status=0] [L1004] COND TRUE __VERIFIER_nondet_int() [L1006] item->next = malloc(sizeof(SLL)) [L1007] EXPR item->next [L1007] item->next->prev = item [L1008] EXPR item->next [L1008] item = item->next [L1009] item->next = ((void*)0) [L1011] COND TRUE !status [L1013] item->data = 1 [L1014] status = 1 VAL [head={-1:0}, item={-4:0}, status=1] [L1027] COND FALSE !(!(head != ((void*)0))) VAL [head={-1:0}, item={-4:0}, status=1] [L1028] COND FALSE !(!(item != ((void*)0))) VAL [head={-1:0}, item={-4:0}, status=1] [L1004] COND TRUE __VERIFIER_nondet_int() [L1006] item->next = malloc(sizeof(SLL)) [L1007] EXPR item->next [L1007] item->next->prev = item [L1008] EXPR item->next [L1008] item = item->next [L1009] item->next = ((void*)0) [L1011] COND FALSE !(!status) [L1016] COND TRUE status == 1 [L1018] item->data = 2 [L1019] status = 2 VAL [head={-1:0}, item={-2:0}, status=2] [L1027] COND FALSE !(!(head != ((void*)0))) VAL [head={-1:0}, item={-2:0}, status=2] [L1028] COND FALSE !(!(item != ((void*)0))) VAL [head={-1:0}, item={-2:0}, status=2] [L1004] COND TRUE __VERIFIER_nondet_int() [L1006] item->next = malloc(sizeof(SLL)) [L1007] EXPR item->next [L1007] item->next->prev = item [L1008] EXPR item->next [L1008] item = item->next [L1009] item->next = ((void*)0) [L1011] COND FALSE !(!status) [L1016] COND FALSE !(status == 1) [L1021] COND TRUE status >= 2 [L1023] item->data = 3 [L1024] status = 3 VAL [head={-1:0}, item={-3:0}, status=3] [L1027] COND FALSE !(!(head != ((void*)0))) VAL [head={-1:0}, item={-3:0}, status=3] [L1028] COND FALSE !(!(item != ((void*)0))) VAL [head={-1:0}, item={-3:0}, status=3] [L1004] COND FALSE !(__VERIFIER_nondet_int()) [L1031] COND FALSE !(!(head != ((void*)0))) VAL [head={-1:0}, item={-3:0}, status=3] [L1032] COND FALSE !(status == 1) VAL [head={-1:0}, item={-3:0}, status=3] [L1037] COND FALSE !(status == 2) VAL [head={-1:0}, item={-3:0}, status=3] [L1043] COND TRUE status == 3 VAL [head={-1:0}, item={-3:0}, status=3] [L1045] COND FALSE !(!(head != ((void*)0))) VAL [head={-1:0}, item={-3:0}, status=3] [L1046] EXPR head->next VAL [head={-1:0}, head->next={-4:0}, item={-3:0}, status=3] [L1046] COND FALSE !(!(head->next != ((void*)0))) [L1047] EXPR head->next [L1047] EXPR head->next->next VAL [head={-1:0}, head->next={-4:0}, head->next->next={-2:0}, item={-3:0}, status=3] [L1047] COND FALSE !(!(head->next->next != ((void*)0))) [L1048] EXPR head->next [L1048] EXPR head->next->next [L1048] EXPR head->next->next->next VAL [head={-1:0}, head->next={-4:0}, head->next->next={-2:0}, head->next->next->next={-3:0}, item={-3:0}, status=3] [L1048] COND FALSE !(!(head->next->next->next != ((void*)0))) [L1049] EXPR head->next [L1049] EXPR head->next->next [L1049] EXPR head->next->next->next [L1049] EXPR head->next->next->next->data VAL [head={-1:0}, head->next={-4:0}, head->next->next={-2:0}, head->next->next->next={-3:0}, head->next->next->next->data=3, item={-3:0}, status=3] [L1049] COND TRUE !(head->next->next->next->data != 3) [L1049] reach_error() VAL [head={-1:0}, item={-3:0}, status=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 148.9MB. Free memory was 92.1MB in the beginning and 92.0MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.59ms. Allocated memory is still 148.9MB. Free memory was 114.9MB in the beginning and 95.1MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.79ms. Allocated memory is still 148.9MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.12ms. Allocated memory is still 148.9MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.83ms. Allocated memory is still 148.9MB. Free memory was 90.4MB in the beginning and 65.7MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 86391.02ms. Allocated memory was 148.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 65.7MB in the beginning and 824.1MB in the end (delta: -758.4MB). Peak memory consumption was 452.2MB. Max. memory is 16.1GB. * Witness Printer took 38.40ms. Allocated memory is still 1.4GB. Free memory was 824.1MB in the beginning and 820.9MB 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! [2022-12-15 02:31:58,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe8c4c0-64cd-4ab9-a66c-8251b12c6cd1/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