./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/sanfoundry_02_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/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_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/sanfoundry_02_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/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_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/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 3a6236bdd88fd6afaea18904cacfb3d20cec5c672e4775ed237e350d1a6fc96b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:24,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:24,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:24,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:24,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:24,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:24,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:24,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:24,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:24,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:24,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:24,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:24,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:24,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:24,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:24,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:24,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:24,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:24,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:24,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:24,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:24,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:24,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:24,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:24,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:24,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:24,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:24,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:24,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:24,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:24,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:24,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:24,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:24,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:24,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:24,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:24,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:24,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:24,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:24,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:24,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:24,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:33:24,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:24,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:24,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:24,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:24,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:24,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:24,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:24,276 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:24,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:24,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:24,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:24,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:24,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:24,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:24,278 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:24,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:24,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:24,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:24,278 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:24,279 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:24,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:24,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:24,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:24,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:24,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:24,280 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:24,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:24,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:24,280 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_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a6236bdd88fd6afaea18904cacfb3d20cec5c672e4775ed237e350d1a6fc96b [2021-11-23 15:33:24,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:24,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:24,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:24,580 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:24,581 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:24,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-examples/sanfoundry_02_ground.i [2021-11-23 15:33:24,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/data/6100bd85c/477240f2976e4901a7ba4c0bdefb7f68/FLAG2b7a01d86 [2021-11-23 15:33:25,122 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:25,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/sv-benchmarks/c/array-examples/sanfoundry_02_ground.i [2021-11-23 15:33:25,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/data/6100bd85c/477240f2976e4901a7ba4c0bdefb7f68/FLAG2b7a01d86 [2021-11-23 15:33:25,486 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/data/6100bd85c/477240f2976e4901a7ba4c0bdefb7f68 [2021-11-23 15:33:25,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:25,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:25,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:25,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:25,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:25,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:25" (1/1) ... [2021-11-23 15:33:25,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3cf3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:25, skipping insertion in model container [2021-11-23 15:33:25,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:25" (1/1) ... [2021-11-23 15:33:25,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:25,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:25,708 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_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/sv-benchmarks/c/array-examples/sanfoundry_02_ground.i[813,826] [2021-11-23 15:33:25,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:25,732 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:25,744 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_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/sv-benchmarks/c/array-examples/sanfoundry_02_ground.i[813,826] [2021-11-23 15:33:25,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:25,765 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:25,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:25 WrapperNode [2021-11-23 15:33:25,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:25,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:25,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:25,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:25,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:25" (1/1) ... [2021-11-23 15:33:25,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:25" (1/1) ... [2021-11-23 15:33:25,810 INFO L137 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 93 [2021-11-23 15:33:25,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:25,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:25,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:25,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:25,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:25" (1/1) ... [2021-11-23 15:33:25,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:25" (1/1) ... [2021-11-23 15:33:25,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:25" (1/1) ... [2021-11-23 15:33:25,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:25" (1/1) ... [2021-11-23 15:33:25,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:25" (1/1) ... [2021-11-23 15:33:25,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:25" (1/1) ... [2021-11-23 15:33:25,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:25" (1/1) ... [2021-11-23 15:33:25,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:25,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:25,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:25,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:25,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:25" (1/1) ... [2021-11-23 15:33:25,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:25,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:25,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:25,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:33:25,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:33:25,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:25,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:33:25,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:33:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:33:25,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:33:26,029 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:26,031 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:26,232 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:26,266 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:33:26,271 INFO L158 Benchmark]: Toolchain (without parser) took 779.66ms. Allocated memory is still 96.5MB. Free memory was 54.6MB in the beginning and 55.3MB in the end (delta: -671.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:26,272 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 71.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:26,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.56ms. Allocated memory is still 96.5MB. Free memory was 54.5MB in the beginning and 69.9MB in the end (delta: -15.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:26,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.11ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 68.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:26,287 INFO L158 Benchmark]: Boogie Preprocessor took 47.06ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 67.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:26,288 INFO L158 Benchmark]: RCFGBuilder took 410.28ms. Allocated memory is still 96.5MB. Free memory was 67.1MB in the beginning and 55.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:26,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 71.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.56ms. Allocated memory is still 96.5MB. Free memory was 54.5MB in the beginning and 69.9MB in the end (delta: -15.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.11ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 68.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.06ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 67.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.28ms. Allocated memory is still 96.5MB. Free memory was 67.1MB in the beginning and 55.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:33:26,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/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_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/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_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/sanfoundry_02_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/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_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/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 3a6236bdd88fd6afaea18904cacfb3d20cec5c672e4775ed237e350d1a6fc96b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:28,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:28,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:28,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:28,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:28,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:28,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:28,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:28,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:28,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:28,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:28,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:28,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:28,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:28,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:28,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:28,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:28,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:28,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:28,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:28,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:28,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:28,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:28,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:28,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:28,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:28,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:28,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:28,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:28,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:28,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:28,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:28,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:28,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:28,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:28,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:28,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:28,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:28,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:28,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:28,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:28,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:28,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:28,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:28,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:28,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:28,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:28,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:28,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:28,768 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:28,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:28,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:28,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:28,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:28,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:28,769 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:28,769 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:28,770 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:28,770 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:28,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:28,770 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:28,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:28,770 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:28,770 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:28,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:28,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:28,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:28,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:28,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:28,772 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:28,772 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:28,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:28,772 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:28,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:28,773 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_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a6236bdd88fd6afaea18904cacfb3d20cec5c672e4775ed237e350d1a6fc96b [2021-11-23 15:33:29,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:29,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:29,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:29,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:29,178 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:29,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-examples/sanfoundry_02_ground.i [2021-11-23 15:33:29,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/data/aedfa3770/c12e021778e045ea87cc6ac84872a8e4/FLAG1cfbb88dc [2021-11-23 15:33:29,723 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:29,726 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/sv-benchmarks/c/array-examples/sanfoundry_02_ground.i [2021-11-23 15:33:29,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/data/aedfa3770/c12e021778e045ea87cc6ac84872a8e4/FLAG1cfbb88dc [2021-11-23 15:33:30,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/data/aedfa3770/c12e021778e045ea87cc6ac84872a8e4 [2021-11-23 15:33:30,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:30,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:30,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:30,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:30,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:30,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a05492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30, skipping insertion in model container [2021-11-23 15:33:30,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:30,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:30,264 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_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/sv-benchmarks/c/array-examples/sanfoundry_02_ground.i[813,826] [2021-11-23 15:33:30,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:30,310 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:30,328 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_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/sv-benchmarks/c/array-examples/sanfoundry_02_ground.i[813,826] [2021-11-23 15:33:30,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:30,372 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:30,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30 WrapperNode [2021-11-23 15:33:30,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:30,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:30,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:30,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:30,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,455 INFO L137 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 92 [2021-11-23 15:33:30,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:30,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:30,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:30,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:30,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:30,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:30,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:30,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:30,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:30,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:30,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:30,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:33:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:33:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:33:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:33:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:33:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:33:30,676 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:30,678 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:30,918 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:30,935 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:33:30,939 INFO L158 Benchmark]: Toolchain (without parser) took 849.13ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 33.5MB in the end (delta: 10.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:30,940 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:30,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.74ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 32.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:30,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.70ms. Allocated memory is still 62.9MB. Free memory was 32.6MB in the beginning and 46.6MB in the end (delta: -14.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:30,949 INFO L158 Benchmark]: Boogie Preprocessor took 53.15ms. Allocated memory is still 62.9MB. Free memory was 46.6MB in the beginning and 45.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:30,950 INFO L158 Benchmark]: RCFGBuilder took 426.69ms. Allocated memory is still 62.9MB. Free memory was 45.2MB in the beginning and 33.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:30,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.74ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 32.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.70ms. Allocated memory is still 62.9MB. Free memory was 32.6MB in the beginning and 46.6MB in the end (delta: -14.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.15ms. Allocated memory is still 62.9MB. Free memory was 46.6MB in the beginning and 45.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.69ms. Allocated memory is still 62.9MB. Free memory was 45.2MB in the beginning and 33.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:33:31,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5958fb-58b8-4f7d-989e-4822b58b3cc9/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