./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/min_max.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_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/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_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/min_max.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/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_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/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 6f3dc8ca7e9d6160ebf6e1f17d4641cf9f9e9c7a0130658f0fd8bbb7edc9643d --- 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 16:54:20,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:20,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:21,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:21,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:21,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:21,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:21,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:21,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:21,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:21,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:21,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:21,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:21,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:21,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:21,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:21,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:21,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:21,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:21,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:21,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:21,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:21,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:21,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:21,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:21,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:21,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:21,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:21,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:21,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:21,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:21,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:21,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:21,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:21,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:21,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:21,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:21,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:21,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:21,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:21,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:21,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:54:21,154 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:21,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:21,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:21,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:21,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:21,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:21,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:21,157 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:54:21,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:21,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:54:21,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:21,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:21,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:21,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:21,160 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:54:21,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:21,160 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:21,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:21,160 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:21,161 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:21,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:21,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:21,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:21,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:21,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:21,162 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:21,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:21,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:21,164 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_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f3dc8ca7e9d6160ebf6e1f17d4641cf9f9e9c7a0130658f0fd8bbb7edc9643d [2022-10-17 16:54:21,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:21,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:21,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:21,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:21,438 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:21,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/heap-data/min_max.i [2022-10-17 16:54:21,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/bin/ukojak-92XMlrwhuB/data/d0e65e9d0/7d5894bef0404a87954f00dad6549d0d/FLAGd43aeceaa [2022-10-17 16:54:22,006 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:22,007 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/sv-benchmarks/c/heap-data/min_max.i [2022-10-17 16:54:22,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/bin/ukojak-92XMlrwhuB/data/d0e65e9d0/7d5894bef0404a87954f00dad6549d0d/FLAGd43aeceaa [2022-10-17 16:54:22,355 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/bin/ukojak-92XMlrwhuB/data/d0e65e9d0/7d5894bef0404a87954f00dad6549d0d [2022-10-17 16:54:22,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:22,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:22,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:22,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:22,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:22,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:22,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3371b084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22, skipping insertion in model container [2022-10-17 16:54:22,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:22,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:22,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:22,790 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_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/sv-benchmarks/c/heap-data/min_max.i[23535,23548] [2022-10-17 16:54:22,798 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_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/sv-benchmarks/c/heap-data/min_max.i[23590,23603] [2022-10-17 16:54:22,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:22,808 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:22,868 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_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/sv-benchmarks/c/heap-data/min_max.i[23535,23548] [2022-10-17 16:54:22,870 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_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/sv-benchmarks/c/heap-data/min_max.i[23590,23603] [2022-10-17 16:54:22,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:22,910 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:22,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22 WrapperNode [2022-10-17 16:54:22,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:22,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:22,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:22,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:22,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:22,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:22,975 INFO L138 Inliner]: procedures = 121, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-10-17 16:54:22,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:22,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:22,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:22,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:22,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:22,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:23,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:23,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:23,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:23,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:23,025 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:23,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:23,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:23,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:23,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:23,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:23,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:22" (1/1) ... [2022-10-17 16:54:23,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:23,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:23,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:23,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bc7eb8-912a-484d-a2ac-0e5d4c30f603/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:54:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:54:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:54:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:54:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:54:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:54:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:23,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:23,282 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:23,284 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:23,435 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:23,517 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:23,517 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:54:23,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:23 BoogieIcfgContainer [2022-10-17 16:54:23,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:54:23,521 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:54:23,521 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:54:23,530 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:54:23,531 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:23" (1/1) ... [2022-10-17 16:54:23,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:54:23,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:23,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:54:23,595 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:54:23,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:54:23,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:23,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:23,736 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 16:54:23,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:23,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:54:23,790 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:54:23,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:54:23,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:23,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:24,121 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 16:54:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:24,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-10-17 16:54:24,206 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-10-17 16:54:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:54:24,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:24,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:24,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-10-17 16:54:24,954 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-10-17 16:54:24,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:54:24,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:24,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:25,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-10-17 16:54:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-10-17 16:54:25,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:54:25,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:25,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-10-17 16:54:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-10-17 16:54:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:54:27,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:27,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2022-10-17 16:54:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2022-10-17 16:54:31,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:54:31,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:31,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:34,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:34,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2022-10-17 16:54:34,627 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-10-17 16:54:34,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:54:34,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:34,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:38,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2022-10-17 16:54:38,979 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2022-10-17 16:54:38,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:54:38,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:38,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:39,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2022-10-17 16:54:39,864 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-10-17 16:54:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:54:39,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:39,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:47,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:47,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 86 transitions. [2022-10-17 16:54:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2022-10-17 16:54:47,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:54:47,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:47,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:52,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2022-10-17 16:54:52,584 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2022-10-17 16:54:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:54:52,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:52,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat