./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test05.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_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/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_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/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_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/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 fc3b64420d7066ddae343a06976c60db80b11c9064160fc3a579002ff9231727 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:32,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:32,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:32,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:32,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:32,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:32,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:32,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:32,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:32,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:32,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:32,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:32,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:32,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:32,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:32,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:32,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:32,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:32,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:32,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:32,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:32,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:32,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:32,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:32,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:32,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:32,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:32,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:32,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:32,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:32,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:32,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:32,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:32,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:32,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:32,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:32,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:32,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:32,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:32,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:32,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:32,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:32,928 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:32,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:32,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:32,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:32,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:32,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:32,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:32,931 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:32,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:32,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:32,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:32,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:32,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:32,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:32,936 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:32,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:32,936 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:32,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:32,937 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:32,937 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:32,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:32,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:32,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:32,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:32,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:32,938 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:32,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:32,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:32,939 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_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc3b64420d7066ddae343a06976c60db80b11c9064160fc3a579002ff9231727 [2021-11-23 15:53:33,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:33,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:33,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:33,225 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:33,226 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:33,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-regression/test05.c [2021-11-23 15:53:33,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/data/a8e454943/205e8ee9e8f64243b0bf6c1519ea094a/FLAG9bf817ad2 [2021-11-23 15:53:33,737 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:33,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/sv-benchmarks/c/ldv-regression/test05.c [2021-11-23 15:53:33,745 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/data/a8e454943/205e8ee9e8f64243b0bf6c1519ea094a/FLAG9bf817ad2 [2021-11-23 15:53:34,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/data/a8e454943/205e8ee9e8f64243b0bf6c1519ea094a [2021-11-23 15:53:34,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:34,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:34,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:34,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:34,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:34,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:34" (1/1) ... [2021-11-23 15:53:34,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d21ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:34, skipping insertion in model container [2021-11-23 15:53:34,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:34" (1/1) ... [2021-11-23 15:53:34,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:34,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:34,331 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_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/sv-benchmarks/c/ldv-regression/test05.c[710,723] [2021-11-23 15:53:34,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:34,347 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:34,361 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_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/sv-benchmarks/c/ldv-regression/test05.c[710,723] [2021-11-23 15:53:34,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:34,376 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:34,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:34 WrapperNode [2021-11-23 15:53:34,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:34,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:34,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:34,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:34,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:34" (1/1) ... [2021-11-23 15:53:34,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:34" (1/1) ... [2021-11-23 15:53:34,416 INFO L137 Inliner]: procedures = 16, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2021-11-23 15:53:34,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:34,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:34,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:34,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:34,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:34" (1/1) ... [2021-11-23 15:53:34,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:34" (1/1) ... [2021-11-23 15:53:34,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:34" (1/1) ... [2021-11-23 15:53:34,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:34" (1/1) ... [2021-11-23 15:53:34,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:34" (1/1) ... [2021-11-23 15:53:34,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:34" (1/1) ... [2021-11-23 15:53:34,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:34" (1/1) ... [2021-11-23 15:53:34,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:34,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:34,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:34,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:34,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:34" (1/1) ... [2021-11-23 15:53:34,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:34,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:34,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:34,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:53:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:34,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:53:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:53:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:34,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:53:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:34,656 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:34,658 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:34,917 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:34,941 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:53:34,946 INFO L158 Benchmark]: Toolchain (without parser) took 805.77ms. Allocated memory is still 102.8MB. Free memory was 67.7MB in the beginning and 60.1MB in the end (delta: 7.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:34,947 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory was 77.3MB in the beginning and 77.3MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:34,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.12ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 78.4MB in the end (delta: -10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:34,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.40ms. Allocated memory is still 102.8MB. Free memory was 78.4MB in the beginning and 76.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:34,950 INFO L158 Benchmark]: Boogie Preprocessor took 23.86ms. Allocated memory is still 102.8MB. Free memory was 76.8MB in the beginning and 75.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:34,951 INFO L158 Benchmark]: RCFGBuilder took 502.54ms. Allocated memory is still 102.8MB. Free memory was 75.8MB in the beginning and 60.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:53:34,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory was 77.3MB in the beginning and 77.3MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.12ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 78.4MB in the end (delta: -10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.40ms. Allocated memory is still 102.8MB. Free memory was 78.4MB in the beginning and 76.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.86ms. Allocated memory is still 102.8MB. Free memory was 76.8MB in the beginning and 75.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.54ms. Allocated memory is still 102.8MB. Free memory was 75.8MB in the beginning and 60.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. 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 15:53:34,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/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_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/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_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/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_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/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 fc3b64420d7066ddae343a06976c60db80b11c9064160fc3a579002ff9231727 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:37,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:37,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:37,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:37,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:37,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:37,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:37,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:37,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:37,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:37,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:37,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:37,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:37,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:37,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:37,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:37,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:37,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:37,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:37,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:37,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:37,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:37,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:37,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:37,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:37,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:37,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:37,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:37,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:37,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:37,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:37,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:37,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:37,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:37,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:37,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:37,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:37,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:37,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:37,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:37,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:37,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:37,572 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:37,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:37,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:37,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:37,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:37,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:37,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:37,577 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:37,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:37,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:37,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:37,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:37,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:37,579 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:37,580 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:37,580 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:37,580 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:37,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:37,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:37,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:37,581 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:37,581 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:37,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:37,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:37,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:37,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:37,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:37,583 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:37,584 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:37,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:37,584 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:37,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:37,585 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_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc3b64420d7066ddae343a06976c60db80b11c9064160fc3a579002ff9231727 [2021-11-23 15:53:37,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:37,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:37,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:37,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:37,979 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:37,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-regression/test05.c [2021-11-23 15:53:38,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/data/e46920eff/9477cd2d9c464fa69ea982f9d409e3ba/FLAGff72869dc [2021-11-23 15:53:38,527 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:38,527 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/sv-benchmarks/c/ldv-regression/test05.c [2021-11-23 15:53:38,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/data/e46920eff/9477cd2d9c464fa69ea982f9d409e3ba/FLAGff72869dc [2021-11-23 15:53:38,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/data/e46920eff/9477cd2d9c464fa69ea982f9d409e3ba [2021-11-23 15:53:38,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:38,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:38,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:38,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:38,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:38,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab63bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38, skipping insertion in model container [2021-11-23 15:53:38,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:38,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:39,119 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_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/sv-benchmarks/c/ldv-regression/test05.c[710,723] [2021-11-23 15:53:39,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:39,134 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:39,152 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_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/sv-benchmarks/c/ldv-regression/test05.c[710,723] [2021-11-23 15:53:39,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:39,166 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:39,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39 WrapperNode [2021-11-23 15:53:39,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:39,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:39,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:39,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:39,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,206 INFO L137 Inliner]: procedures = 18, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 90 [2021-11-23 15:53:39,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:39,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:39,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:39,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:39,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:39,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:39,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:39,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:39,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:39" (1/1) ... [2021-11-23 15:53:39,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:39,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:39,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:39,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:53:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:53:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:53:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:53:39,397 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:39,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:39,899 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:39,922 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:53:39,926 INFO L158 Benchmark]: Toolchain (without parser) took 996.78ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 31.7MB in the beginning and 50.1MB in the end (delta: -18.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:39,927 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:39,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.54ms. Allocated memory is still 54.5MB. Free memory was 31.5MB in the beginning and 34.9MB in the end (delta: -3.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:39,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.80ms. Allocated memory is still 54.5MB. Free memory was 34.9MB in the beginning and 33.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:39,930 INFO L158 Benchmark]: Boogie Preprocessor took 25.04ms. Allocated memory is still 54.5MB. Free memory was 33.3MB in the beginning and 32.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:39,931 INFO L158 Benchmark]: RCFGBuilder took 691.01ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 31.8MB in the beginning and 50.1MB in the end (delta: -18.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:39,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.54ms. Allocated memory is still 54.5MB. Free memory was 31.5MB in the beginning and 34.9MB in the end (delta: -3.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.80ms. Allocated memory is still 54.5MB. Free memory was 34.9MB in the beginning and 33.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.04ms. Allocated memory is still 54.5MB. Free memory was 33.3MB in the beginning and 32.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 691.01ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 31.8MB in the beginning and 50.1MB in the end (delta: -18.3MB). 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 15:53:39,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8d54f5b-7ded-4c68-bc7d-0a4321e74b17/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