./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu --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 ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:51,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:51,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:51,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:51,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:51,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:51,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:51,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:51,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:51,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:51,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:51,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:51,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:51,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:51,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:51,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:51,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:51,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:51,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:51,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:51,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:51,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:51,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:51,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:51,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:51,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:51,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:51,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:51,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:51,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:51,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:51,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:51,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:51,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:51,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:51,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:51,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:51,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:51,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:51,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:51,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:51,230 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:51,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:51,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:51,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:51,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:51,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:51,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:51,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:51,284 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:51,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:51,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:51,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:51,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:51,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:51,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:51,293 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:51,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:51,293 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:51,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:51,293 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:51,294 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:51,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:51,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:51,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:51,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:51,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:51,295 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:51,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:51,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:51,296 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_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e [2021-11-23 15:55:51,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:51,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:51,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:51,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:51,644 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:51,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cbmc-regression/float20.i [2021-11-23 15:55:51,723 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/data/f0c014b48/ca6ba7b7593b45baa9e8b535288be969/FLAG540663c85 [2021-11-23 15:55:52,208 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:52,218 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i [2021-11-23 15:55:52,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/data/f0c014b48/ca6ba7b7593b45baa9e8b535288be969/FLAG540663c85 [2021-11-23 15:55:52,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/data/f0c014b48/ca6ba7b7593b45baa9e8b535288be969 [2021-11-23 15:55:52,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:52,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:52,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:52,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:52,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:52,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be30e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52, skipping insertion in model container [2021-11-23 15:55:52,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:52,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:52,837 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_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2021-11-23 15:55:52,848 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_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2021-11-23 15:55:52,854 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_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2021-11-23 15:55:52,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:52,866 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:52,889 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_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2021-11-23 15:55:52,893 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_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2021-11-23 15:55:52,896 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_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2021-11-23 15:55:52,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:52,910 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:52,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52 WrapperNode [2021-11-23 15:55:52,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:52,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:52,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:52,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:52,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,953 INFO L137 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2021-11-23 15:55:52,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:52,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:52,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:52,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:52,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:52,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:52,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:52,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:52,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:53,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:53,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:53,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:53,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:53,136 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:53,137 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:53,228 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:53,242 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:55:53,247 INFO L158 Benchmark]: Toolchain (without parser) took 676.57ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 65.4MB in the end (delta: 3.7MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:53,247 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory was 77.3MB in the beginning and 77.3MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:53,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.70ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 77.0MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:53,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.50ms. Allocated memory is still 104.9MB. Free memory was 77.0MB in the beginning and 75.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:53,250 INFO L158 Benchmark]: Boogie Preprocessor took 38.85ms. Allocated memory is still 104.9MB. Free memory was 75.4MB in the beginning and 74.8MB in the end (delta: 619.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:53,251 INFO L158 Benchmark]: RCFGBuilder took 250.79ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 65.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:53,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory was 77.3MB in the beginning and 77.3MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.70ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 77.0MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.50ms. Allocated memory is still 104.9MB. Free memory was 77.0MB in the beginning and 75.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.85ms. Allocated memory is still 104.9MB. Free memory was 75.4MB in the beginning and 74.8MB in the end (delta: 619.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 250.79ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 65.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:53,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu --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 ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:55,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:55,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:55,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:55,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:55,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:55,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:55,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:55,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:55,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:55,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:55,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:55,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:55,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:55,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:55,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:55,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:55,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:55,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:55,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:55,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:55,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:55,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:55,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:55,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:55,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:55,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:55,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:55,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:55,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:55,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:55,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:55,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:55,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:55,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:55,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:55,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:55,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:55,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:55,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:55,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:55,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:56,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:56,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:56,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:56,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:56,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:56,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:56,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:56,017 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:56,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:56,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:56,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:56,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:56,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:56,019 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:56,019 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:56,019 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:56,019 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:56,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:56,020 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:56,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:56,020 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:56,020 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:56,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:56,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:56,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:56,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:56,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:56,022 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:56,022 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:56,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:56,022 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:56,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:56,023 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_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e [2021-11-23 15:55:56,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:56,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:56,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:56,421 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:56,422 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:56,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cbmc-regression/float20.i [2021-11-23 15:55:56,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/data/2a41052f2/67b9629d68b5428a9179f3c71b4a2a69/FLAG31d641bd0 [2021-11-23 15:55:56,972 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:56,973 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i [2021-11-23 15:55:56,979 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/data/2a41052f2/67b9629d68b5428a9179f3c71b4a2a69/FLAG31d641bd0 [2021-11-23 15:55:57,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/data/2a41052f2/67b9629d68b5428a9179f3c71b4a2a69 [2021-11-23 15:55:57,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:57,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:57,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:57,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:57,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:57,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:57" (1/1) ... [2021-11-23 15:55:57,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b59607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:57, skipping insertion in model container [2021-11-23 15:55:57,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:57" (1/1) ... [2021-11-23 15:55:57,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:57,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:57,566 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_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2021-11-23 15:55:57,579 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_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2021-11-23 15:55:57,586 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_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2021-11-23 15:55:57,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:57,639 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:57,671 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_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2021-11-23 15:55:57,676 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_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2021-11-23 15:55:57,679 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_66642f43-91d2-415f-8a62-62633de12179/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2021-11-23 15:55:57,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:57,695 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:57,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:57 WrapperNode [2021-11-23 15:55:57,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:57,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:57,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:57,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:57,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:57" (1/1) ... [2021-11-23 15:55:57,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:57" (1/1) ... [2021-11-23 15:55:57,733 INFO L137 Inliner]: procedures = 19, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2021-11-23 15:55:57,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:57,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:57,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:57,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:57,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:57" (1/1) ... [2021-11-23 15:55:57,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:57" (1/1) ... [2021-11-23 15:55:57,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:57" (1/1) ... [2021-11-23 15:55:57,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:57" (1/1) ... [2021-11-23 15:55:57,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:57" (1/1) ... [2021-11-23 15:55:57,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:57" (1/1) ... [2021-11-23 15:55:57,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:57" (1/1) ... [2021-11-23 15:55:57,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:57,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:57,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:57,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:57,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:57" (1/1) ... [2021-11-23 15:55:57,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:57,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:57,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:57,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:57,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:57,922 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:57,924 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:59,262 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:59,275 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:55:59,280 INFO L158 Benchmark]: Toolchain (without parser) took 1925.98ms. Allocated memory is still 62.9MB. Free memory was 42.8MB in the beginning and 32.6MB in the end (delta: 10.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:59,280 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:59,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.97ms. Allocated memory is still 62.9MB. Free memory was 42.6MB in the beginning and 44.7MB in the end (delta: -2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:59,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.56ms. Allocated memory is still 62.9MB. Free memory was 44.5MB in the beginning and 42.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:59,283 INFO L158 Benchmark]: Boogie Preprocessor took 25.65ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 41.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:59,284 INFO L158 Benchmark]: RCFGBuilder took 1517.40ms. Allocated memory is still 62.9MB. Free memory was 41.7MB in the beginning and 32.6MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:59,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.97ms. Allocated memory is still 62.9MB. Free memory was 42.6MB in the beginning and 44.7MB in the end (delta: -2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.56ms. Allocated memory is still 62.9MB. Free memory was 44.5MB in the beginning and 42.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.65ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 41.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1517.40ms. Allocated memory is still 62.9MB. Free memory was 41.7MB in the beginning and 32.6MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:59,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66642f43-91d2-415f-8a62-62633de12179/bin/ukojak-CwSLpZB5Qu/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: UnsupportedOperationException: Set is immutable