./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test08.c --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_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/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_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/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_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/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 55f41c66c50792cda5d5bbe104482e2cd600942b05623220f52aeb9f6286617d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:32,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:32,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:32,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:32,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:32,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:32,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:32,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:32,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:32,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:32,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:32,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:32,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:32,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:32,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:32,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:32,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:32,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:32,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:32,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:32,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:32,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:32,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:32,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:32,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:32,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:32,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:32,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:32,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:32,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:32,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:32,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:32,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:32,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:32,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:32,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:32,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:32,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:32,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:32,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:32,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:32,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:47:32,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:32,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:32,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:32,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:32,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:32,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:32,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:32,333 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:32,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:47:32,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:32,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:32,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:32,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:32,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:32,339 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:32,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:32,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:32,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:32,340 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:32,340 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:32,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:32,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:32,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:32,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:32,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:32,341 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:47:32,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:47:32,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:32,342 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_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55f41c66c50792cda5d5bbe104482e2cd600942b05623220f52aeb9f6286617d [2021-11-23 15:47:32,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:32,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:32,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:32,615 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:32,616 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:32,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-regression/test08.c [2021-11-23 15:47:32,677 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/data/077480cd2/b848328f4dc24050b1894bc8dfb817fa/FLAGfaaf02ab2 [2021-11-23 15:47:33,136 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:33,137 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/sv-benchmarks/c/ldv-regression/test08.c [2021-11-23 15:47:33,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/data/077480cd2/b848328f4dc24050b1894bc8dfb817fa/FLAGfaaf02ab2 [2021-11-23 15:47:33,501 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/data/077480cd2/b848328f4dc24050b1894bc8dfb817fa [2021-11-23 15:47:33,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:33,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:33,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:33,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:33,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:33,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:33" (1/1) ... [2021-11-23 15:47:33,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de3f87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33, skipping insertion in model container [2021-11-23 15:47:33,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:33" (1/1) ... [2021-11-23 15:47:33,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:33,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:33,670 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_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/sv-benchmarks/c/ldv-regression/test08.c[578,591] [2021-11-23 15:47:33,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:33,683 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:33,698 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_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/sv-benchmarks/c/ldv-regression/test08.c[578,591] [2021-11-23 15:47:33,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:33,713 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:33,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33 WrapperNode [2021-11-23 15:47:33,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:33,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:33,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:33,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:33,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33" (1/1) ... [2021-11-23 15:47:33,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33" (1/1) ... [2021-11-23 15:47:33,750 INFO L137 Inliner]: procedures = 12, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2021-11-23 15:47:33,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:33,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:33,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:33,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:33,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33" (1/1) ... [2021-11-23 15:47:33,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33" (1/1) ... [2021-11-23 15:47:33,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33" (1/1) ... [2021-11-23 15:47:33,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33" (1/1) ... [2021-11-23 15:47:33,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33" (1/1) ... [2021-11-23 15:47:33,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33" (1/1) ... [2021-11-23 15:47:33,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33" (1/1) ... [2021-11-23 15:47:33,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:33,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:33,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:33,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:33,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:33" (1/1) ... [2021-11-23 15:47:33,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:33,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:33,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:33,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:47:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:47:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:47:33,926 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:33,928 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:34,049 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:34,074 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 15:47:34,078 INFO L158 Benchmark]: Toolchain (without parser) took 571.76ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 58.4MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:47:34,079 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:34,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.32ms. Allocated memory is still 104.9MB. Free memory was 80.5MB in the beginning and 71.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:47:34,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.15ms. Allocated memory is still 104.9MB. Free memory was 70.8MB in the beginning and 69.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:34,082 INFO L158 Benchmark]: Boogie Preprocessor took 19.65ms. Allocated memory is still 104.9MB. Free memory was 69.4MB in the beginning and 68.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:34,083 INFO L158 Benchmark]: RCFGBuilder took 305.20ms. Allocated memory is still 104.9MB. Free memory was 68.4MB in the beginning and 58.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:47:34,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.32ms. Allocated memory is still 104.9MB. Free memory was 80.5MB in the beginning and 71.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.15ms. Allocated memory is still 104.9MB. Free memory was 70.8MB in the beginning and 69.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.65ms. Allocated memory is still 104.9MB. Free memory was 69.4MB in the beginning and 68.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 305.20ms. Allocated memory is still 104.9MB. Free memory was 68.4MB in the beginning and 58.4MB in the end (delta: 10.0MB). 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 15:47:34,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/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_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/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_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/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_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/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 55f41c66c50792cda5d5bbe104482e2cd600942b05623220f52aeb9f6286617d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:36,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:36,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:36,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:36,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:36,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:36,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:36,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:36,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:36,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:36,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:36,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:36,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:36,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:36,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:36,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:36,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:36,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:36,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:36,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:36,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:36,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:36,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:36,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:36,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:36,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:36,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:36,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:36,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:36,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:36,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:36,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:36,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:36,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:36,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:36,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:36,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:36,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:36,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:36,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:36,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:36,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:47:36,794 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:36,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:36,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:36,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:36,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:36,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:36,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:36,799 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:36,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:36,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:36,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:36,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:36,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:36,801 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:47:36,802 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:47:36,802 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:47:36,802 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:36,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:36,803 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:36,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:36,803 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:36,803 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:36,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:36,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:36,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:36,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:36,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:36,805 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:47:36,805 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:47:36,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:36,806 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:47:36,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:47:36,806 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_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55f41c66c50792cda5d5bbe104482e2cd600942b05623220f52aeb9f6286617d [2021-11-23 15:47:37,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:37,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:37,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:37,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:37,210 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:37,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-regression/test08.c [2021-11-23 15:47:37,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/data/bffd6b17a/b8a442bacf1f4a1b81495f954009be0d/FLAGe8295ca28 [2021-11-23 15:47:37,849 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:37,850 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/sv-benchmarks/c/ldv-regression/test08.c [2021-11-23 15:47:37,857 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/data/bffd6b17a/b8a442bacf1f4a1b81495f954009be0d/FLAGe8295ca28 [2021-11-23 15:47:38,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/data/bffd6b17a/b8a442bacf1f4a1b81495f954009be0d [2021-11-23 15:47:38,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:38,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:38,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:38,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:38,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:38,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:38" (1/1) ... [2021-11-23 15:47:38,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e9c28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:38, skipping insertion in model container [2021-11-23 15:47:38,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:38" (1/1) ... [2021-11-23 15:47:38,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:38,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:38,500 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_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/sv-benchmarks/c/ldv-regression/test08.c[578,591] [2021-11-23 15:47:38,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:38,516 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:38,535 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_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/sv-benchmarks/c/ldv-regression/test08.c[578,591] [2021-11-23 15:47:38,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:38,551 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:38,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:38 WrapperNode [2021-11-23 15:47:38,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:38,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:38,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:38,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:38,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:38" (1/1) ... [2021-11-23 15:47:38,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:38" (1/1) ... [2021-11-23 15:47:38,595 INFO L137 Inliner]: procedures = 15, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2021-11-23 15:47:38,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:38,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:38,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:38,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:38,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:38" (1/1) ... [2021-11-23 15:47:38,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:38" (1/1) ... [2021-11-23 15:47:38,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:38" (1/1) ... [2021-11-23 15:47:38,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:38" (1/1) ... [2021-11-23 15:47:38,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:38" (1/1) ... [2021-11-23 15:47:38,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:38" (1/1) ... [2021-11-23 15:47:38,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:38" (1/1) ... [2021-11-23 15:47:38,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:38,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:38,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:38,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:38,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:38" (1/1) ... [2021-11-23 15:47:38,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:38,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:38,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:38,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:47:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:47:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:47:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:38,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:38,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:47:38,841 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:38,843 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:38,981 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:39,000 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 15:47:39,005 INFO L158 Benchmark]: Toolchain (without parser) took 743.33ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.0MB in the beginning and 46.7MB in the end (delta: -15.7MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-23 15:47:39,006 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:39,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.31ms. Allocated memory is still 54.5MB. Free memory was 30.8MB in the beginning and 34.2MB in the end (delta: -3.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-23 15:47:39,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.63ms. Allocated memory is still 54.5MB. Free memory was 34.2MB in the beginning and 32.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:39,009 INFO L158 Benchmark]: Boogie Preprocessor took 46.79ms. Allocated memory is still 54.5MB. Free memory was 32.7MB in the beginning and 31.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:39,010 INFO L158 Benchmark]: RCFGBuilder took 358.97ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 46.7MB in the end (delta: -15.1MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-23 15:47:39,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.31ms. Allocated memory is still 54.5MB. Free memory was 30.8MB in the beginning and 34.2MB in the end (delta: -3.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.63ms. Allocated memory is still 54.5MB. Free memory was 34.2MB in the beginning and 32.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.79ms. Allocated memory is still 54.5MB. Free memory was 32.7MB in the beginning and 31.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.97ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 46.7MB in the end (delta: -15.1MB). Peak memory consumption was 10.2MB. 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 15:47:39,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d8d69-3582-41f5-9bc4-5c455eb2a1f2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable