./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-sorted-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-sorted-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e45b14428dafe2f20aeac8c38d2592befc15b6791b0365935474ded4fd47d0f2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:46:43,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:43,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:43,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:43,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:43,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:43,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:43,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:43,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:43,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:43,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:43,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:43,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:43,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:43,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:43,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:43,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:43,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:43,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:43,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:44,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:44,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:44,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:44,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:44,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:44,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:44,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:44,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:44,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:44,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:44,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:44,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:44,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:44,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:44,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:44,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:44,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:44,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:44,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:44,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:44,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:44,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:46:44,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:44,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:44,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:46:44,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:46:44,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:44,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:44,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:44,055 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:44,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:44,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:44,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:44,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:46:44,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:44,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:46:44,057 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:44,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:46:44,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:44,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:46:44,059 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:44,059 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:44,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:44,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:44,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:44,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:44,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:46:44,061 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:44,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:44,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:46:44,062 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_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45b14428dafe2f20aeac8c38d2592befc15b6791b0365935474ded4fd47d0f2 [2022-10-17 16:46:44,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:44,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:44,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:44,324 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:44,325 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:44,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/sll-sorted-1.i [2022-10-17 16:46:44,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/data/35411e3a5/376914d5db404c67b5afce7806360d78/FLAG6feed2970 [2022-10-17 16:46:44,994 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:44,994 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i [2022-10-17 16:46:45,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/data/35411e3a5/376914d5db404c67b5afce7806360d78/FLAG6feed2970 [2022-10-17 16:46:45,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/data/35411e3a5/376914d5db404c67b5afce7806360d78 [2022-10-17 16:46:45,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:45,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:45,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:45,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:45,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:45,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:45,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f4a760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45, skipping insertion in model container [2022-10-17 16:46:45,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:45,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:45,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:45,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22317,22330] [2022-10-17 16:46:45,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22547,22560] [2022-10-17 16:46:45,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22877,22890] [2022-10-17 16:46:45,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22941,22954] [2022-10-17 16:46:45,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i[23072,23085] [2022-10-17 16:46:45,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i[23136,23149] [2022-10-17 16:46:45,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:45,802 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:45,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22317,22330] [2022-10-17 16:46:45,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22547,22560] [2022-10-17 16:46:45,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22877,22890] [2022-10-17 16:46:45,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22941,22954] [2022-10-17 16:46:45,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i[23072,23085] [2022-10-17 16:46:45,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/sv-benchmarks/c/forester-heap/sll-sorted-1.i[23136,23149] [2022-10-17 16:46:45,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:45,931 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:45,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45 WrapperNode [2022-10-17 16:46:45,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:45,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:45,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:45,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:45,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:45,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:46,023 INFO L138 Inliner]: procedures = 119, calls = 39, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 186 [2022-10-17 16:46:46,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:46,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:46,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:46,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:46,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:46,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:46,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:46,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:46,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:46,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:46,086 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:46,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:46,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:46,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:46,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:46,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:46,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:45" (1/1) ... [2022-10-17 16:46:46,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:46,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:46,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:46,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be4c80e-f16d-4ac1-b91d-33ed44a44cb4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:46:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:46:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:46:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:46:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:46:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:46:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:46:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:46,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:46,375 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:46,389 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:46,685 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:46,849 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:46,849 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-10-17 16:46:46,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:46 BoogieIcfgContainer [2022-10-17 16:46:46,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:46:46,856 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:46:46,856 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:46:46,867 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:46:46,868 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:46" (1/1) ... [2022-10-17 16:46:46,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:46:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:46,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2022-10-17 16:46:46,974 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2022-10-17 16:46:46,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:46:46,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:46,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:47,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:47,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2022-10-17 16:46:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2022-10-17 16:46:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:46:47,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:47,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:47,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:47,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2022-10-17 16:46:47,400 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2022-10-17 16:46:47,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:46:47,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:47,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:46:47,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:47,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2022-10-17 16:46:47,937 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2022-10-17 16:46:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:46:47,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:47,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:46:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2022-10-17 16:46:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2022-10-17 16:46:48,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:46:48,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:50,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:50,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 58 states and 89 transitions. [2022-10-17 16:46:50,172 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 89 transitions. [2022-10-17 16:46:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:46:50,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:50,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:54,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:54,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 68 states and 111 transitions. [2022-10-17 16:46:54,683 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 111 transitions. [2022-10-17 16:46:54,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:46:54,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:54,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:56,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 80 states and 141 transitions. [2022-10-17 16:46:59,513 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 141 transitions. [2022-10-17 16:46:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:46:59,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:59,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:00,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:02,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:02,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 87 states and 153 transitions. [2022-10-17 16:47:02,722 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 153 transitions. [2022-10-17 16:47:02,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:47:02,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:02,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:02,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:47:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 87 states and 147 transitions. [2022-10-17 16:47:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 147 transitions. [2022-10-17 16:47:02,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:47:02,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:02,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:47:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:02,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 87 states and 142 transitions. [2022-10-17 16:47:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 142 transitions. [2022-10-17 16:47:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:47:02,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:02,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:07,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 102 states and 172 transitions. [2022-10-17 16:47:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 172 transitions. [2022-10-17 16:47:07,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:47:07,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:10,538 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:12,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:12,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 168 transitions. [2022-10-17 16:47:12,534 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2022-10-17 16:47:12,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:47:12,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:12,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat