./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/mea8000.c --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_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/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_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/mea8000.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/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_b7090c10-6ab7-40ac-8242-ce6a77545c78/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 cd44d90aed9d2d04077d2b748267e187447c04398d91bc61f6043a9ae8c38324 --- 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 17:04:42,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:42,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:42,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:42,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:42,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:42,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:42,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:42,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:42,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:42,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:42,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:42,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:42,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:42,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:42,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:42,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:42,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:42,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:42,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:42,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:42,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:42,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:42,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:42,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:42,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:42,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:42,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:42,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:42,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:42,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:42,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:42,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:42,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:42,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:42,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:42,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:42,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:42,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:42,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:42,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:42,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:04:43,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:43,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:43,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:43,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:43,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:43,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:43,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:43,058 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:43,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:43,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:43,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:43,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:43,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:43,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:43,061 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:43,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:43,062 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:43,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:43,063 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:43,063 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:43,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:43,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:43,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:43,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:43,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:43,075 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:43,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:43,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:43,077 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_b7090c10-6ab7-40ac-8242-ce6a77545c78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd44d90aed9d2d04077d2b748267e187447c04398d91bc61f6043a9ae8c38324 [2022-10-17 17:04:43,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:43,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:43,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:43,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:43,369 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:43,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/float-benchs/mea8000.c [2022-10-17 17:04:43,432 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/data/4152524b0/3c7ae7045cf8493fb8a3c5d9982d2a13/FLAGb3eccdc29 [2022-10-17 17:04:43,928 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:43,929 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/sv-benchmarks/c/float-benchs/mea8000.c [2022-10-17 17:04:43,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/data/4152524b0/3c7ae7045cf8493fb8a3c5d9982d2a13/FLAGb3eccdc29 [2022-10-17 17:04:44,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/data/4152524b0/3c7ae7045cf8493fb8a3c5d9982d2a13 [2022-10-17 17:04:44,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:44,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:44,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:44,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:44,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:44,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:44,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbad632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44, skipping insertion in model container [2022-10-17 17:04:44,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:44,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:44,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:44,552 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_b7090c10-6ab7-40ac-8242-ce6a77545c78/sv-benchmarks/c/float-benchs/mea8000.c[649,662] [2022-10-17 17:04:44,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:44,742 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:44,763 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_b7090c10-6ab7-40ac-8242-ce6a77545c78/sv-benchmarks/c/float-benchs/mea8000.c[649,662] [2022-10-17 17:04:44,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:44,871 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:44,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44 WrapperNode [2022-10-17 17:04:44,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:44,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:44,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:44,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:44,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:44,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:44,973 INFO L138 Inliner]: procedures = 39, calls = 238, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 446 [2022-10-17 17:04:44,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:44,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:44,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:44,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:44,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:44,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:44,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:44,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:45,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:45,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:45,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:45,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:45,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:45,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:45,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:45,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:45,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:45,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:45,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:45,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:45,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure write_signed16 [2022-10-17 17:04:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure write_signed16 [2022-10-17 17:04:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure cos [2022-10-17 17:04:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure cos [2022-10-17 17:04:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure update_req [2022-10-17 17:04:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure update_req [2022-10-17 17:04:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-17 17:04:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:04:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-17 17:04:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:04:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_char [2022-10-17 17:04:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure exp [2022-10-17 17:04:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure exp [2022-10-17 17:04:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure interp [2022-10-17 17:04:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure interp [2022-10-17 17:04:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure start_frame [2022-10-17 17:04:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure start_frame [2022-10-17 17:04:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:04:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:04:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure shift_frame [2022-10-17 17:04:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure shift_frame [2022-10-17 17:04:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure decode_frame [2022-10-17 17:04:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_frame [2022-10-17 17:04:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure stop_frame [2022-10-17 17:04:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_frame [2022-10-17 17:04:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:04:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:04:45,281 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:45,284 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:46,286 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:46,512 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:46,512 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 17:04:46,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:46 BoogieIcfgContainer [2022-10-17 17:04:46,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:46,516 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:46,517 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:46,527 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:46,527 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:46" (1/1) ... [2022-10-17 17:04:46,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:46,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 107 states and 152 transitions. [2022-10-17 17:04:46,624 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 152 transitions. [2022-10-17 17:04:46,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:04:46,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:46,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:46,676 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort Real not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSorts(NonDeclaringTermTransferrer.java:117) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:158) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 17:04:46,680 INFO L158 Benchmark]: Toolchain (without parser) took 2400.18ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 76.4MB in the beginning and 71.5MB in the end (delta: 4.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,681 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:04:46,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.53ms. Allocated memory is still 98.6MB. Free memory was 76.4MB in the beginning and 62.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.58ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 58.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,684 INFO L158 Benchmark]: Boogie Preprocessor took 88.19ms. Allocated memory is still 98.6MB. Free memory was 58.7MB in the beginning and 55.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,686 INFO L158 Benchmark]: RCFGBuilder took 1452.18ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 55.1MB in the beginning and 78.7MB in the end (delta: -23.7MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,687 INFO L158 Benchmark]: CodeCheck took 162.30ms. Allocated memory is still 119.5MB. Free memory was 78.7MB in the beginning and 71.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort Real not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort Real not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.53ms. Allocated memory is still 98.6MB. Free memory was 76.4MB in the beginning and 62.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.58ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 58.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.19ms. Allocated memory is still 98.6MB. Free memory was 58.7MB in the beginning and 55.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1452.18ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 55.1MB in the beginning and 78.7MB in the end (delta: -23.7MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * CodeCheck took 162.30ms. Allocated memory is still 119.5MB. Free memory was 78.7MB in the beginning and 71.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:04:46,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/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_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/mea8000.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/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 cd44d90aed9d2d04077d2b748267e187447c04398d91bc61f6043a9ae8c38324 --- 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 17:04:49,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:49,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:49,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:49,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:49,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:49,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:49,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:49,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:49,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:49,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:49,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:49,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:49,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:49,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:49,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:49,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:49,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:49,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:49,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:49,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:49,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:49,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:49,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:49,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:49,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:49,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:49,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:49,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:49,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:49,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:49,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:49,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:49,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:49,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:49,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:49,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:49,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:49,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:49,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:49,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:49,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 17:04:49,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:49,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:49,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:49,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:49,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:49,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:49,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:49,297 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:49,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:49,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:49,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:49,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:49,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:49,299 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:04:49,299 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:04:49,299 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:04:49,299 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:49,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:49,299 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:49,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:49,300 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:49,300 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:49,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:49,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:49,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:49,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:49,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:49,301 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:04:49,302 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:04:49,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:49,302 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 17:04:49,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:04:49,302 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_b7090c10-6ab7-40ac-8242-ce6a77545c78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd44d90aed9d2d04077d2b748267e187447c04398d91bc61f6043a9ae8c38324 [2022-10-17 17:04:49,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:49,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:49,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:49,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:49,745 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:49,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/float-benchs/mea8000.c [2022-10-17 17:04:49,822 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/data/6c6216a01/757b32e0dd8f406aa844334bb80255e3/FLAGc50f08c3e [2022-10-17 17:04:50,307 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:50,308 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/sv-benchmarks/c/float-benchs/mea8000.c [2022-10-17 17:04:50,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/data/6c6216a01/757b32e0dd8f406aa844334bb80255e3/FLAGc50f08c3e [2022-10-17 17:04:50,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/data/6c6216a01/757b32e0dd8f406aa844334bb80255e3 [2022-10-17 17:04:50,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:50,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:50,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:50,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:50,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:50,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:50" (1/1) ... [2022-10-17 17:04:50,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c6e82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:50, skipping insertion in model container [2022-10-17 17:04:50,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:50" (1/1) ... [2022-10-17 17:04:50,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:50,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:50,987 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_b7090c10-6ab7-40ac-8242-ce6a77545c78/sv-benchmarks/c/float-benchs/mea8000.c[649,662] [2022-10-17 17:04:51,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:51,218 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:51,231 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_b7090c10-6ab7-40ac-8242-ce6a77545c78/sv-benchmarks/c/float-benchs/mea8000.c[649,662] [2022-10-17 17:04:51,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:51,375 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:51,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:51 WrapperNode [2022-10-17 17:04:51,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:51,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:51,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:51,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:51,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:51" (1/1) ... [2022-10-17 17:04:51,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:51" (1/1) ... [2022-10-17 17:04:51,474 INFO L138 Inliner]: procedures = 43, calls = 238, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 418 [2022-10-17 17:04:51,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:51,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:51,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:51,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:51,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:51" (1/1) ... [2022-10-17 17:04:51,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:51" (1/1) ... [2022-10-17 17:04:51,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:51" (1/1) ... [2022-10-17 17:04:51,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:51" (1/1) ... [2022-10-17 17:04:51,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:51" (1/1) ... [2022-10-17 17:04:51,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:51" (1/1) ... [2022-10-17 17:04:51,584 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:51" (1/1) ... [2022-10-17 17:04:51,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:51" (1/1) ... [2022-10-17 17:04:51,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:51,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:51,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:51,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:51,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:51" (1/1) ... [2022-10-17 17:04:51,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:51,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:51,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:51,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7090c10-6ab7-40ac-8242-ce6a77545c78/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-10-17 17:04:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure write_signed16 [2022-10-17 17:04:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure write_signed16 [2022-10-17 17:04:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-10-17 17:04:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure cos [2022-10-17 17:04:51,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cos [2022-10-17 17:04:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-10-17 17:04:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure update_req [2022-10-17 17:04:51,696 INFO L138 BoogieDeclarations]: Found implementation of procedure update_req [2022-10-17 17:04:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:04:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 17:04:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:04:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_char [2022-10-17 17:04:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure exp [2022-10-17 17:04:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure exp [2022-10-17 17:04:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure interp [2022-10-17 17:04:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure interp [2022-10-17 17:04:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure start_frame [2022-10-17 17:04:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure start_frame [2022-10-17 17:04:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:04:51,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:04:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure shift_frame [2022-10-17 17:04:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure shift_frame [2022-10-17 17:04:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure decode_frame [2022-10-17 17:04:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_frame [2022-10-17 17:04:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure stop_frame [2022-10-17 17:04:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_frame [2022-10-17 17:04:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:04:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:04:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-10-17 17:04:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:04:51,901 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:51,904 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation