./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_3.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_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/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_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/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_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/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 c5accd8423b70ca59158b13da79e2b7f06e66e009ebcbae27877bbff47ee55bb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:10,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:10,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:10,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:10,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:10,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:10,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:10,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:10,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:10,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:10,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:10,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:10,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:10,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:10,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:10,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:10,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:10,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:10,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:10,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:10,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:10,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:10,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:10,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:10,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:10,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:10,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:10,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:10,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:10,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:10,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:10,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:10,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:10,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:10,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:10,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:10,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:10,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:10,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:10,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:10,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:10,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:33:10,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:10,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:10,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:10,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:10,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:10,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:10,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:10,306 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:10,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:10,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:10,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:10,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:10,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:10,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:10,309 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:10,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:10,310 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:10,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:10,311 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:10,311 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:10,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:10,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:10,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:10,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:10,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:10,314 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:10,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:10,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:10,315 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_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5accd8423b70ca59158b13da79e2b7f06e66e009ebcbae27877bbff47ee55bb [2021-11-23 15:33:10,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:10,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:10,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:10,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:10,783 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:10,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/square_3.i [2021-11-23 15:33:10,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/data/2cdcad460/ac83419f6d564c33be160625ce1adc43/FLAG29d9f28ef [2021-11-23 15:33:11,495 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:11,501 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/sv-benchmarks/c/floats-cdfpl/square_3.i [2021-11-23 15:33:11,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/data/2cdcad460/ac83419f6d564c33be160625ce1adc43/FLAG29d9f28ef [2021-11-23 15:33:11,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/data/2cdcad460/ac83419f6d564c33be160625ce1adc43 [2021-11-23 15:33:11,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:11,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:11,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:11,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:11,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:11,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:11" (1/1) ... [2021-11-23 15:33:11,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aef5658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:11, skipping insertion in model container [2021-11-23 15:33:11,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:11" (1/1) ... [2021-11-23 15:33:11,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:11,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:12,100 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_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/sv-benchmarks/c/floats-cdfpl/square_3.i[1629,1642] [2021-11-23 15:33:12,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:12,138 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:12,165 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_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/sv-benchmarks/c/floats-cdfpl/square_3.i[1629,1642] [2021-11-23 15:33:12,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:12,191 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:12,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12 WrapperNode [2021-11-23 15:33:12,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:12,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:12,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:12,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:12,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,247 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2021-11-23 15:33:12,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:12,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:12,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:12,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:12,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:12,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:12,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:12,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:12,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:12" (1/1) ... [2021-11-23 15:33:12,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:12,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:12,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:12,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:12,478 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:12,480 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:12,586 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:12,605 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 15:33:12,610 INFO L158 Benchmark]: Toolchain (without parser) took 753.37ms. Allocated memory is still 113.2MB. Free memory was 77.6MB in the beginning and 78.9MB in the end (delta: -1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:12,611 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 113.2MB. Free memory was 93.6MB in the beginning and 93.5MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:12,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.08ms. Allocated memory is still 113.2MB. Free memory was 77.4MB in the beginning and 90.0MB in the end (delta: -12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.65ms. Allocated memory is still 113.2MB. Free memory was 90.0MB in the beginning and 88.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,614 INFO L158 Benchmark]: Boogie Preprocessor took 36.08ms. Allocated memory is still 113.2MB. Free memory was 88.4MB in the beginning and 87.9MB in the end (delta: 513.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:12,616 INFO L158 Benchmark]: RCFGBuilder took 320.01ms. Allocated memory is still 113.2MB. Free memory was 87.4MB in the beginning and 78.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 113.2MB. Free memory was 93.6MB in the beginning and 93.5MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.08ms. Allocated memory is still 113.2MB. Free memory was 77.4MB in the beginning and 90.0MB in the end (delta: -12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.65ms. Allocated memory is still 113.2MB. Free memory was 90.0MB in the beginning and 88.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.08ms. Allocated memory is still 113.2MB. Free memory was 88.4MB in the beginning and 87.9MB in the end (delta: 513.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.01ms. Allocated memory is still 113.2MB. Free memory was 87.4MB in the beginning and 78.9MB in the end (delta: 8.5MB). 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 15:33:12,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/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 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_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/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_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/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_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/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 c5accd8423b70ca59158b13da79e2b7f06e66e009ebcbae27877bbff47ee55bb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:15,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:15,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:15,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:15,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:15,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:15,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:15,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:15,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:15,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:15,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:15,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:15,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:15,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:15,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:15,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:15,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:15,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:15,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:15,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:15,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:15,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:15,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:15,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:15,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:15,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:15,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:15,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:15,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:15,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:15,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:15,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:15,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:15,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:15,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:15,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:15,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:15,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:15,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:15,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:15,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:15,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:15,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:15,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:15,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:15,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:15,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:15,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:15,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:15,943 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:15,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:15,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:15,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:15,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:15,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:15,945 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:15,945 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:15,946 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:15,946 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:15,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:15,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:15,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:15,947 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:15,948 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:15,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:15,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:15,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:15,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:15,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:15,949 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:15,950 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:15,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:15,950 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:15,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:15,951 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_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5accd8423b70ca59158b13da79e2b7f06e66e009ebcbae27877bbff47ee55bb [2021-11-23 15:33:16,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:16,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:16,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:16,450 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:16,451 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:16,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/square_3.i [2021-11-23 15:33:16,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/data/0266c0a34/354a22dd56244151af8283bd6bf35558/FLAG36a16a471 [2021-11-23 15:33:17,157 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:17,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/sv-benchmarks/c/floats-cdfpl/square_3.i [2021-11-23 15:33:17,169 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/data/0266c0a34/354a22dd56244151af8283bd6bf35558/FLAG36a16a471 [2021-11-23 15:33:17,512 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/data/0266c0a34/354a22dd56244151af8283bd6bf35558 [2021-11-23 15:33:17,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:17,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:17,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:17,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:17,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:17,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65af44d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17, skipping insertion in model container [2021-11-23 15:33:17,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:17,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:17,734 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_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/sv-benchmarks/c/floats-cdfpl/square_3.i[1629,1642] [2021-11-23 15:33:17,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:17,816 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:17,844 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_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/sv-benchmarks/c/floats-cdfpl/square_3.i[1629,1642] [2021-11-23 15:33:17,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:17,864 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:17,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17 WrapperNode [2021-11-23 15:33:17,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:17,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:17,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:17,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:17,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,909 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2021-11-23 15:33:17,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:17,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:17,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:17,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:17,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:17,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:17,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:17,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:17,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:17,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:18,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:18,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:18,140 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:18,142 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:28,388 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:28,406 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 15:33:28,413 INFO L158 Benchmark]: Toolchain (without parser) took 10894.06ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 29.4MB in the end (delta: 6.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:28,414 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 38.4MB in the beginning and 38.3MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:28,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.06ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 40.3MB in the end (delta: -4.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:28,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.82ms. Allocated memory is still 58.7MB. Free memory was 40.3MB in the beginning and 38.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:28,418 INFO L158 Benchmark]: Boogie Preprocessor took 30.80ms. Allocated memory is still 58.7MB. Free memory was 38.8MB in the beginning and 37.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:28,419 INFO L158 Benchmark]: RCFGBuilder took 10467.74ms. Allocated memory is still 58.7MB. Free memory was 37.7MB in the beginning and 29.4MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:28,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 38.4MB in the beginning and 38.3MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.06ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 40.3MB in the end (delta: -4.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.82ms. Allocated memory is still 58.7MB. Free memory was 40.3MB in the beginning and 38.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.80ms. Allocated memory is still 58.7MB. Free memory was 38.8MB in the beginning and 37.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10467.74ms. Allocated memory is still 58.7MB. Free memory was 37.7MB in the beginning and 29.4MB in the end (delta: 8.2MB). 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 15:33:28,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc2c5f83-8c17-497e-8e68-6e16de8d72c7/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable