./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_8.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_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/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_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/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_0e3bde6b-943d-4edb-b70a-43bc32c3df35/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 80c3dca82feaee551f8126572f1dcc09ca65938303a72a158f2c77643864b20a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:26,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:26,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:26,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:26,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:26,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:26,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:26,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:26,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:26,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:26,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:26,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:26,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:26,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:26,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:26,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:26,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:26,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:26,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:26,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:26,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:26,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:26,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:26,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:26,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:26,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:26,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:26,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:26,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:26,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:26,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:26,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:26,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:26,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:26,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:26,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:26,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:26,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:26,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:26,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:26,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:26,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:26,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:26,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:26,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:26,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:26,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:26,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:26,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:26,189 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:26,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:26,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:26,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:26,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:26,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:26,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:26,190 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:26,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:26,190 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:26,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:26,191 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:26,191 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:26,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:26,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:26,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:26,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:26,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:26,192 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:26,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:26,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:26,193 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_0e3bde6b-943d-4edb-b70a-43bc32c3df35/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80c3dca82feaee551f8126572f1dcc09ca65938303a72a158f2c77643864b20a [2021-11-23 15:04:26,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:26,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:26,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:26,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:26,488 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:26,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/square_8.i [2021-11-23 15:04:26,585 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/data/36e1a7b19/5c71592c91084cfcb730f52f8927f97b/FLAGe54c260c8 [2021-11-23 15:04:27,098 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:27,098 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/sv-benchmarks/c/floats-cdfpl/square_8.i [2021-11-23 15:04:27,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/data/36e1a7b19/5c71592c91084cfcb730f52f8927f97b/FLAGe54c260c8 [2021-11-23 15:04:27,486 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/data/36e1a7b19/5c71592c91084cfcb730f52f8927f97b [2021-11-23 15:04:27,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:27,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:27,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:27,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:27,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:27,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd448b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27, skipping insertion in model container [2021-11-23 15:04:27,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:27,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:27,687 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_0e3bde6b-943d-4edb-b70a-43bc32c3df35/sv-benchmarks/c/floats-cdfpl/square_8.i[1625,1638] [2021-11-23 15:04:27,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:27,698 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:27,713 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_0e3bde6b-943d-4edb-b70a-43bc32c3df35/sv-benchmarks/c/floats-cdfpl/square_8.i[1625,1638] [2021-11-23 15:04:27,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:27,728 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:27,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27 WrapperNode [2021-11-23 15:04:27,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:27,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:27,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:27,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:27,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,761 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2021-11-23 15:04:27,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:27,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:27,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:27,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:27,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:27,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:27,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:27,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:27,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:27,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:27,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:27,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:27,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:27,912 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:27,913 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:27,981 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:27,996 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 15:04:28,000 INFO L158 Benchmark]: Toolchain (without parser) took 509.88ms. Allocated memory is still 98.6MB. Free memory was 65.7MB in the beginning and 62.6MB in the end (delta: 3.0MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:28,001 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 53.4MB in the beginning and 53.4MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:28,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.75ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 73.8MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:28,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.72ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 72.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:28,003 INFO L158 Benchmark]: Boogie Preprocessor took 17.55ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 71.4MB in the end (delta: 801.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:28,004 INFO L158 Benchmark]: RCFGBuilder took 217.55ms. Allocated memory is still 98.6MB. Free memory was 71.0MB in the beginning and 62.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:28,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 53.4MB in the beginning and 53.4MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.75ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 73.8MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.72ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 72.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.55ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 71.4MB in the end (delta: 801.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 217.55ms. Allocated memory is still 98.6MB. Free memory was 71.0MB in the beginning and 62.6MB in the end (delta: 8.4MB). 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 15:04:28,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/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_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/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_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/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_0e3bde6b-943d-4edb-b70a-43bc32c3df35/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 80c3dca82feaee551f8126572f1dcc09ca65938303a72a158f2c77643864b20a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:30,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:30,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:30,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:30,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:30,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:30,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:30,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:30,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:30,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:30,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:30,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:30,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:30,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:30,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:30,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:30,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:30,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:30,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:30,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:30,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:30,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:30,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:30,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:30,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:30,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:30,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:30,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:30,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:30,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:30,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:30,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:30,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:30,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:30,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:30,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:30,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:30,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:30,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:30,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:30,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:30,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:30,613 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:30,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:30,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:30,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:30,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:30,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:30,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:30,616 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:30,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:30,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:30,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:30,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:30,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:30,619 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:30,619 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:30,619 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:30,619 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:30,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:30,620 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:30,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:30,620 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:30,620 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:30,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:30,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:30,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:30,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:30,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:30,622 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:30,622 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:30,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:30,623 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:30,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:30,623 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_0e3bde6b-943d-4edb-b70a-43bc32c3df35/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80c3dca82feaee551f8126572f1dcc09ca65938303a72a158f2c77643864b20a [2021-11-23 15:04:31,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:31,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:31,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:31,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:31,038 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:31,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/square_8.i [2021-11-23 15:04:31,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/data/e4b2b4268/c44a768c6e784b8d8a0da606be6615c4/FLAG928e8eb79 [2021-11-23 15:04:31,623 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:31,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/sv-benchmarks/c/floats-cdfpl/square_8.i [2021-11-23 15:04:31,630 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/data/e4b2b4268/c44a768c6e784b8d8a0da606be6615c4/FLAG928e8eb79 [2021-11-23 15:04:31,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/data/e4b2b4268/c44a768c6e784b8d8a0da606be6615c4 [2021-11-23 15:04:31,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:31,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:31,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:31,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:31,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:31,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:31" (1/1) ... [2021-11-23 15:04:32,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2feeaaf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:31, skipping insertion in model container [2021-11-23 15:04:32,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:31" (1/1) ... [2021-11-23 15:04:32,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:32,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:32,233 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_0e3bde6b-943d-4edb-b70a-43bc32c3df35/sv-benchmarks/c/floats-cdfpl/square_8.i[1625,1638] [2021-11-23 15:04:32,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:32,250 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:32,271 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_0e3bde6b-943d-4edb-b70a-43bc32c3df35/sv-benchmarks/c/floats-cdfpl/square_8.i[1625,1638] [2021-11-23 15:04:32,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:32,319 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:32,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:32 WrapperNode [2021-11-23 15:04:32,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:32,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:32,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:32,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:32,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:32" (1/1) ... [2021-11-23 15:04:32,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:32" (1/1) ... [2021-11-23 15:04:32,377 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2021-11-23 15:04:32,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:32,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:32,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:32,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:32,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:32" (1/1) ... [2021-11-23 15:04:32,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:32" (1/1) ... [2021-11-23 15:04:32,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:32" (1/1) ... [2021-11-23 15:04:32,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:32" (1/1) ... [2021-11-23 15:04:32,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:32" (1/1) ... [2021-11-23 15:04:32,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:32" (1/1) ... [2021-11-23 15:04:32,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:32" (1/1) ... [2021-11-23 15:04:32,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:32,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:32,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:32,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:32,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:32" (1/1) ... [2021-11-23 15:04:32,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:32,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:32,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:32,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:32,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:32,603 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:32,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:42,811 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:42,826 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 15:04:42,830 INFO L158 Benchmark]: Toolchain (without parser) took 10838.15ms. Allocated memory is still 79.7MB. Free memory was 62.9MB in the beginning and 51.8MB in the end (delta: 11.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:42,831 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:42,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.95ms. Allocated memory is still 79.7MB. Free memory was 62.7MB in the beginning and 62.9MB in the end (delta: -191.6kB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-23 15:04:42,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.83ms. Allocated memory is still 79.7MB. Free memory was 62.9MB in the beginning and 61.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:42,834 INFO L158 Benchmark]: Boogie Preprocessor took 46.28ms. Allocated memory is still 79.7MB. Free memory was 61.4MB in the beginning and 60.4MB in the end (delta: 991.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:42,835 INFO L158 Benchmark]: RCFGBuilder took 10402.80ms. Allocated memory is still 79.7MB. Free memory was 60.2MB in the beginning and 51.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:42,840 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.95ms. Allocated memory is still 79.7MB. Free memory was 62.7MB in the beginning and 62.9MB in the end (delta: -191.6kB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.83ms. Allocated memory is still 79.7MB. Free memory was 62.9MB in the beginning and 61.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.28ms. Allocated memory is still 79.7MB. Free memory was 61.4MB in the beginning and 60.4MB in the end (delta: 991.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10402.80ms. Allocated memory is still 79.7MB. Free memory was 60.2MB in the beginning and 51.8MB 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 15:04:42,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3bde6b-943d-4edb-b70a-43bc32c3df35/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