./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/feedback_diverge.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_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/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_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/feedback_diverge.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/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_f920d885-d882-4839-b4ec-b70c9d346eb7/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 a6e296367f1fe3cf145b6868ec70c2d770b2281a31a9d7dcae84843c6ed48125 --- 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 16:48:57,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:57,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:57,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:57,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:57,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:57,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:57,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:57,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:57,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:57,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:57,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:57,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:57,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:57,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:57,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:57,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:57,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:57,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:57,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:57,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:57,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:57,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:57,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:57,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:57,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:57,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:57,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:57,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:57,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:57,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:57,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:57,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:57,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:57,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:57,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:57,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:57,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:57,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:57,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:57,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:57,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:57,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:57,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:57,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:57,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:57,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:57,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:57,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:57,230 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:57,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:57,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:57,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:57,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:57,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:57,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:57,232 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:57,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:57,233 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:57,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:57,233 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:57,233 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:57,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:57,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:57,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:57,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:57,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:57,234 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:57,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:57,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:57,235 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_f920d885-d882-4839-b4ec-b70c9d346eb7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e296367f1fe3cf145b6868ec70c2d770b2281a31a9d7dcae84843c6ed48125 [2022-10-17 16:48:57,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:57,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:57,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:57,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:57,602 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:57,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/float-benchs/feedback_diverge.c [2022-10-17 16:48:57,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/data/e3c42c60b/645f4dba49624cb6aaed2d3af49eee7f/FLAG905430c1a [2022-10-17 16:48:58,167 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:58,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/sv-benchmarks/c/float-benchs/feedback_diverge.c [2022-10-17 16:48:58,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/data/e3c42c60b/645f4dba49624cb6aaed2d3af49eee7f/FLAG905430c1a [2022-10-17 16:48:58,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/data/e3c42c60b/645f4dba49624cb6aaed2d3af49eee7f [2022-10-17 16:48:58,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:58,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:58,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:58,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:58,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:58,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338f963e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58, skipping insertion in model container [2022-10-17 16:48:58,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:58,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:58,820 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_f920d885-d882-4839-b4ec-b70c9d346eb7/sv-benchmarks/c/float-benchs/feedback_diverge.c[626,639] [2022-10-17 16:48:58,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:58,855 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:58,871 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_f920d885-d882-4839-b4ec-b70c9d346eb7/sv-benchmarks/c/float-benchs/feedback_diverge.c[626,639] [2022-10-17 16:48:58,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:58,899 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:58,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58 WrapperNode [2022-10-17 16:48:58,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:58,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:58,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:58,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:58,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,942 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2022-10-17 16:48:58,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:58,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:58,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:58,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:58,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,965 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:58,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:58,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:58,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:58,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:58" (1/1) ... [2022-10-17 16:48:58,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:58,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:59,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:59,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:59,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:59,123 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:59,126 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:59,256 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:59,328 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:59,328 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:48:59,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:59 BoogieIcfgContainer [2022-10-17 16:48:59,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:59,332 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:59,332 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:59,349 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:59,350 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:59" (1/1) ... [2022-10-17 16:48:59,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:59,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:59,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-10-17 16:48:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-10-17 16:48:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:48:59,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:59,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:59,460 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 16:48:59,464 INFO L158 Benchmark]: Toolchain (without parser) took 877.76ms. Allocated memory is still 90.2MB. Free memory was 52.7MB in the beginning and 46.4MB in the end (delta: 6.3MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2022-10-17 16:48:59,465 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 69.8MB in the beginning and 69.8MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:59,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.11ms. Allocated memory is still 90.2MB. Free memory was 52.5MB in the beginning and 67.0MB in the end (delta: -14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:48:59,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.41ms. Allocated memory is still 90.2MB. Free memory was 67.0MB in the beginning and 65.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:48:59,468 INFO L158 Benchmark]: Boogie Preprocessor took 23.89ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 64.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:59,469 INFO L158 Benchmark]: RCFGBuilder took 362.70ms. Allocated memory is still 90.2MB. Free memory was 64.3MB in the beginning and 52.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:48:59,469 INFO L158 Benchmark]: CodeCheck took 130.74ms. Allocated memory is still 90.2MB. Free memory was 52.4MB in the beginning and 46.4MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:48:59,473 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 0.33ms. Allocated memory is still 90.2MB. Free memory was 69.8MB in the beginning and 69.8MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.11ms. Allocated memory is still 90.2MB. Free memory was 52.5MB in the beginning and 67.0MB in the end (delta: -14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.41ms. Allocated memory is still 90.2MB. Free memory was 67.0MB in the beginning and 65.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.89ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 64.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.70ms. Allocated memory is still 90.2MB. Free memory was 64.3MB in the beginning and 52.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 130.74ms. Allocated memory is still 90.2MB. Free memory was 52.4MB in the beginning and 46.4MB in the end (delta: 5.9MB). 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 16:48:59,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/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_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/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_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/feedback_diverge.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/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_f920d885-d882-4839-b4ec-b70c9d346eb7/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 a6e296367f1fe3cf145b6868ec70c2d770b2281a31a9d7dcae84843c6ed48125 --- 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 16:49:02,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:02,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:02,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:02,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:02,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:02,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:02,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:02,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:02,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:02,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:02,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:02,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:02,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:02,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:02,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:02,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:02,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:02,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:02,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:02,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:02,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:02,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:02,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:02,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:02,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:02,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:02,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:02,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:02,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:02,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:02,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:02,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:02,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:02,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:02,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:02,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:02,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:02,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:02,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:02,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:02,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:49:02,288 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:02,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:02,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:02,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:02,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:02,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:02,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:02,291 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:02,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:02,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:02,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:02,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:02,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:02,292 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:49:02,292 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:49:02,292 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:49:02,293 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:02,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:02,293 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:02,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:02,293 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:02,294 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:02,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:02,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:02,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:02,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:02,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:02,295 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:49:02,295 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:49:02,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:02,297 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:49:02,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:49:02,298 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_f920d885-d882-4839-b4ec-b70c9d346eb7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e296367f1fe3cf145b6868ec70c2d770b2281a31a9d7dcae84843c6ed48125 [2022-10-17 16:49:02,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:02,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:02,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:02,754 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:02,759 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:02,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/float-benchs/feedback_diverge.c [2022-10-17 16:49:02,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/data/ea46953c9/deb46d5d8a4543e7962e9549446591d9/FLAG3d9fb1706 [2022-10-17 16:49:03,425 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:03,427 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/sv-benchmarks/c/float-benchs/feedback_diverge.c [2022-10-17 16:49:03,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/data/ea46953c9/deb46d5d8a4543e7962e9549446591d9/FLAG3d9fb1706 [2022-10-17 16:49:03,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/data/ea46953c9/deb46d5d8a4543e7962e9549446591d9 [2022-10-17 16:49:03,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:03,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:03,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:03,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:03,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:03,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:03" (1/1) ... [2022-10-17 16:49:03,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1199de49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:03, skipping insertion in model container [2022-10-17 16:49:03,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:03" (1/1) ... [2022-10-17 16:49:03,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:03,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:04,036 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_f920d885-d882-4839-b4ec-b70c9d346eb7/sv-benchmarks/c/float-benchs/feedback_diverge.c[626,639] [2022-10-17 16:49:04,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:04,079 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:04,142 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_f920d885-d882-4839-b4ec-b70c9d346eb7/sv-benchmarks/c/float-benchs/feedback_diverge.c[626,639] [2022-10-17 16:49:04,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:04,180 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:04,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:04 WrapperNode [2022-10-17 16:49:04,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:04,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:04,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:04,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:04,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:04" (1/1) ... [2022-10-17 16:49:04,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:04" (1/1) ... [2022-10-17 16:49:04,229 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2022-10-17 16:49:04,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:04,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:04,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:04,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:04,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:04" (1/1) ... [2022-10-17 16:49:04,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:04" (1/1) ... [2022-10-17 16:49:04,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:04" (1/1) ... [2022-10-17 16:49:04,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:04" (1/1) ... [2022-10-17 16:49:04,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:04" (1/1) ... [2022-10-17 16:49:04,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:04" (1/1) ... [2022-10-17 16:49:04,282 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:04" (1/1) ... [2022-10-17 16:49:04,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:04" (1/1) ... [2022-10-17 16:49:04,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:04,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:04,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:04,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:04,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:04" (1/1) ... [2022-10-17 16:49:04,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:04,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:04,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:04,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:49:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:04,478 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:04,480 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:05,034 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:05,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:05,142 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:49:05,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:05 BoogieIcfgContainer [2022-10-17 16:49:05,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:05,147 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:05,147 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:05,157 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:05,157 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:05" (1/1) ... [2022-10-17 16:49:05,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-10-17 16:49:05,260 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-10-17 16:49:05,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:49:05,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:05,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:05,309 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec 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.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) 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 16:49:05,317 INFO L158 Benchmark]: Toolchain (without parser) took 1494.01ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 26.1MB in the beginning and 36.5MB in the end (delta: -10.4MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-10-17 16:49:05,319 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 50.3MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 49.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:05,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.68ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.9MB in the beginning and 43.2MB in the end (delta: -17.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:49:05,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.06ms. Allocated memory is still 60.8MB. Free memory was 43.2MB in the beginning and 41.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:05,324 INFO L158 Benchmark]: Boogie Preprocessor took 64.57ms. Allocated memory is still 60.8MB. Free memory was 41.6MB in the beginning and 40.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:05,325 INFO L158 Benchmark]: RCFGBuilder took 849.60ms. Allocated memory is still 60.8MB. Free memory was 40.2MB in the beginning and 42.6MB in the end (delta: -2.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-10-17 16:49:05,327 INFO L158 Benchmark]: CodeCheck took 166.50ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 36.5MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:49:05,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec 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 0.83ms. Allocated memory is still 50.3MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 49.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.68ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.9MB in the beginning and 43.2MB in the end (delta: -17.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.06ms. Allocated memory is still 60.8MB. Free memory was 43.2MB in the beginning and 41.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.57ms. Allocated memory is still 60.8MB. Free memory was 41.6MB in the beginning and 40.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 849.60ms. Allocated memory is still 60.8MB. Free memory was 40.2MB in the beginning and 42.6MB in the end (delta: -2.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * CodeCheck took 166.50ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 36.5MB in the end (delta: 5.9MB). 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 16:49:05,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f920d885-d882-4839-b4ec-b70c9d346eb7/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared