./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/array_2-2.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_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/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_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/array_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/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_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/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 866342b97e5be917007cb97e07a0644c7c9d2aa9b428c32cf026d727d672a191 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:18,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:18,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:18,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:18,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:18,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:18,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:18,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:18,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:18,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:18,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:18,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:18,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:18,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:18,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:18,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:18,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:18,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:18,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:18,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:18,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:18,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:18,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:18,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:18,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:18,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:18,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:18,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:18,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:18,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:18,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:18,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:18,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:18,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:18,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:18,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:18,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:18,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:18,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:18,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:18,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:18,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:18,560 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:18,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:18,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:18,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:18,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:18,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:18,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:18,564 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:18,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:18,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:18,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:18,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:18,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:18,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:18,573 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:18,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:18,574 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:18,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:18,574 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:18,574 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:18,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:18,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:18,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:18,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:18,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:18,576 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:18,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:18,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:18,577 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_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 866342b97e5be917007cb97e07a0644c7c9d2aa9b428c32cf026d727d672a191 [2021-11-23 15:55:18,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:18,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:18,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:18,877 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:18,878 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:18,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-acceleration/array_2-2.i [2021-11-23 15:55:18,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/data/baa31e97e/1bdd40e6f60f487d8f2950a9d2259131/FLAG9186c7cf4 [2021-11-23 15:55:19,390 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:19,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/sv-benchmarks/c/loop-acceleration/array_2-2.i [2021-11-23 15:55:19,401 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/data/baa31e97e/1bdd40e6f60f487d8f2950a9d2259131/FLAG9186c7cf4 [2021-11-23 15:55:19,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/data/baa31e97e/1bdd40e6f60f487d8f2950a9d2259131 [2021-11-23 15:55:19,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:19,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:19,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:19,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:19,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:19,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:19" (1/1) ... [2021-11-23 15:55:19,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b9afda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:19, skipping insertion in model container [2021-11-23 15:55:19,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:19" (1/1) ... [2021-11-23 15:55:19,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:19,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:19,981 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_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/sv-benchmarks/c/loop-acceleration/array_2-2.i[849,862] [2021-11-23 15:55:19,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:20,001 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:20,014 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_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/sv-benchmarks/c/loop-acceleration/array_2-2.i[849,862] [2021-11-23 15:55:20,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:20,031 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:20,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20 WrapperNode [2021-11-23 15:55:20,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:20,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:20,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:20,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:20,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,070 INFO L137 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2021-11-23 15:55:20,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:20,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:20,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:20,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:20,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:20,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:20,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:20,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:20,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:20,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:20,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:20,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:55:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:20,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:55:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:20,242 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:20,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:20,437 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:20,484 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 15:55:20,489 INFO L158 Benchmark]: Toolchain (without parser) took 704.43ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 66.1MB in the beginning and 96.1MB in the end (delta: -30.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:20,489 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:20,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.15ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 65.8MB in the beginning and 109.3MB in the end (delta: -43.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:20,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.71ms. Allocated memory is still 134.2MB. Free memory was 109.3MB in the beginning and 108.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:20,493 INFO L158 Benchmark]: Boogie Preprocessor took 24.07ms. Allocated memory is still 134.2MB. Free memory was 108.0MB in the beginning and 107.2MB in the end (delta: 723.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:20,494 INFO L158 Benchmark]: RCFGBuilder took 389.99ms. Allocated memory is still 134.2MB. Free memory was 106.5MB in the beginning and 96.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:20,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.15ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 65.8MB in the beginning and 109.3MB in the end (delta: -43.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.71ms. Allocated memory is still 134.2MB. Free memory was 109.3MB in the beginning and 108.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.07ms. Allocated memory is still 134.2MB. Free memory was 108.0MB in the beginning and 107.2MB in the end (delta: 723.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 389.99ms. Allocated memory is still 134.2MB. Free memory was 106.5MB in the beginning and 96.1MB in the end (delta: 10.5MB). 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 15:55:20,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/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_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/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_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/array_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/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_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/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 866342b97e5be917007cb97e07a0644c7c9d2aa9b428c32cf026d727d672a191 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:22,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:22,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:23,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:23,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:23,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:23,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:23,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:23,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:23,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:23,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:23,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:23,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:23,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:23,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:23,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:23,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:23,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:23,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:23,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:23,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:23,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:23,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:23,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:23,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:23,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:23,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:23,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:23,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:23,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:23,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:23,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:23,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:23,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:23,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:23,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:23,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:23,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:23,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:23,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:23,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:23,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:23,139 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:23,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:23,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:23,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:23,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:23,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:23,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:23,143 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:23,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:23,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:23,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:23,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:23,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:23,146 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:23,146 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:23,146 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:23,146 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:23,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:23,147 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:23,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:23,147 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:23,147 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:23,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:23,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:23,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:23,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:23,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:23,149 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:23,149 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:23,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:23,149 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:23,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:23,150 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_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 866342b97e5be917007cb97e07a0644c7c9d2aa9b428c32cf026d727d672a191 [2021-11-23 15:55:23,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:23,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:23,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:23,538 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:23,538 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:23,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-acceleration/array_2-2.i [2021-11-23 15:55:23,620 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/data/da064901a/b3c30a26f45243a39e2f961cd24e4fe6/FLAG0343dfd73 [2021-11-23 15:55:24,099 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:24,100 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/sv-benchmarks/c/loop-acceleration/array_2-2.i [2021-11-23 15:55:24,106 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/data/da064901a/b3c30a26f45243a39e2f961cd24e4fe6/FLAG0343dfd73 [2021-11-23 15:55:24,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/data/da064901a/b3c30a26f45243a39e2f961cd24e4fe6 [2021-11-23 15:55:24,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:24,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:24,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:24,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:24,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:24,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12fbb6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24, skipping insertion in model container [2021-11-23 15:55:24,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:24,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:24,721 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_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/sv-benchmarks/c/loop-acceleration/array_2-2.i[849,862] [2021-11-23 15:55:24,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:24,754 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:24,804 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_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/sv-benchmarks/c/loop-acceleration/array_2-2.i[849,862] [2021-11-23 15:55:24,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:24,837 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:24,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24 WrapperNode [2021-11-23 15:55:24,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:24,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:24,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:24,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:24,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,874 INFO L137 Inliner]: procedures = 18, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2021-11-23 15:55:24,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:24,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:24,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:24,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:24,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:24,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:24,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:24,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:24,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:24,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:24,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:24,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:24,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:24,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:24,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:55:24,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:24,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:24,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:24,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:55:25,049 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:25,051 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:25,261 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:25,280 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 15:55:25,284 INFO L158 Benchmark]: Toolchain (without parser) took 778.38ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 34.7MB in the end (delta: 9.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:25,285 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 44.4MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:25,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.44ms. Allocated memory is still 65.0MB. Free memory was 43.7MB in the beginning and 48.0MB in the end (delta: -4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:25,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.53ms. Allocated memory is still 65.0MB. Free memory was 48.0MB in the beginning and 46.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:25,288 INFO L158 Benchmark]: Boogie Preprocessor took 25.46ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 45.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:25,289 INFO L158 Benchmark]: RCFGBuilder took 381.50ms. Allocated memory is still 65.0MB. Free memory was 45.2MB in the beginning and 34.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:25,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 44.4MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.44ms. Allocated memory is still 65.0MB. Free memory was 43.7MB in the beginning and 48.0MB in the end (delta: -4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.53ms. Allocated memory is still 65.0MB. Free memory was 48.0MB in the beginning and 46.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.46ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 45.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.50ms. Allocated memory is still 65.0MB. Free memory was 45.2MB in the beginning and 34.7MB in the end (delta: 10.6MB). 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 15:55:25,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4fa597-d693-4dd7-86d7-a3d62edfeee6/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