./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_3-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/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_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/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_f621c8de-0bf4-44ee-a622-3bdb30730fef/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 8b9c8396c2cadaebd0d1bf5efb2e2e779b8a2240a5737f65c06e64ea585aef3c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:47,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:47,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:47,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:47,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:47,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:47,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:47,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:47,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:47,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:47,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:47,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:47,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:47,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:47,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:47,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:47,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:47,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:47,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:47,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:47,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:47,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:47,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:47,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:47,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:47,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:47,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:47,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:47,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:47,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:47,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:47,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:47,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:47,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:47,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:47,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:47,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:47,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:47,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:47,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:47,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:47,803 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:51:47,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:47,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:47,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:47,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:47,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:47,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:47,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:47,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:47,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:47,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:47,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:47,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:47,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:47,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:47,851 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:47,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:47,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:47,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:47,852 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:47,852 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:47,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:47,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:47,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:47,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:47,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:47,854 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:51:47,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:51:47,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:47,855 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_f621c8de-0bf4-44ee-a622-3bdb30730fef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b9c8396c2cadaebd0d1bf5efb2e2e779b8a2240a5737f65c06e64ea585aef3c [2021-11-23 15:51:48,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:48,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:48,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:48,257 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:48,258 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:48,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-acceleration/simple_3-2.c [2021-11-23 15:51:48,342 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/data/34402cc71/32669c5317b944f0843df3b815ea1c3c/FLAG0ad63e145 [2021-11-23 15:51:48,863 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:48,864 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/sv-benchmarks/c/loop-acceleration/simple_3-2.c [2021-11-23 15:51:48,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/data/34402cc71/32669c5317b944f0843df3b815ea1c3c/FLAG0ad63e145 [2021-11-23 15:51:49,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/data/34402cc71/32669c5317b944f0843df3b815ea1c3c [2021-11-23 15:51:49,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:49,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:49,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:49,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:49,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:49,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2293b2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49, skipping insertion in model container [2021-11-23 15:51:49,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:49,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:49,489 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_f621c8de-0bf4-44ee-a622-3bdb30730fef/sv-benchmarks/c/loop-acceleration/simple_3-2.c[376,389] [2021-11-23 15:51:49,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:49,507 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:49,519 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_f621c8de-0bf4-44ee-a622-3bdb30730fef/sv-benchmarks/c/loop-acceleration/simple_3-2.c[376,389] [2021-11-23 15:51:49,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:49,535 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:49,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49 WrapperNode [2021-11-23 15:51:49,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:49,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:49,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:49,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:49,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,574 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2021-11-23 15:51:49,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:49,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:49,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:49,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:49,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:49,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:49,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:49,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:49,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:49,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:49,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:49,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:49,754 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:49,755 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:49,878 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:49,901 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 15:51:49,907 INFO L158 Benchmark]: Toolchain (without parser) took 676.43ms. Allocated memory is still 104.9MB. Free memory was 67.4MB in the beginning and 68.8MB in the end (delta: -1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:49,909 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:49,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.11ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 79.8MB in the end (delta: -12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:49,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.42ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 78.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:49,914 INFO L158 Benchmark]: Boogie Preprocessor took 26.36ms. Allocated memory is still 104.9MB. Free memory was 78.2MB in the beginning and 77.2MB in the end (delta: 928.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:49,916 INFO L158 Benchmark]: RCFGBuilder took 302.21ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 68.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:49,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.11ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 79.8MB in the end (delta: -12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.42ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 78.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.36ms. Allocated memory is still 104.9MB. Free memory was 78.2MB in the beginning and 77.2MB in the end (delta: 928.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 302.21ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 68.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:49,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/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_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/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_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/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_f621c8de-0bf4-44ee-a622-3bdb30730fef/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 8b9c8396c2cadaebd0d1bf5efb2e2e779b8a2240a5737f65c06e64ea585aef3c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:52,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:52,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:52,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:52,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:52,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:52,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:52,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:52,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:52,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:52,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:52,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:52,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:52,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:52,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:52,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:52,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:52,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:52,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:52,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:52,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:52,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:52,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:52,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:52,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:52,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:52,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:52,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:52,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:52,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:52,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:52,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:52,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:52,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:52,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:52,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:52,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:52,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:52,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:52,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:52,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:52,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:51:52,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:52,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:52,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:52,558 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:52,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:52,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:52,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:52,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:52,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:52,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:52,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:52,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:52,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:52,561 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:51:52,561 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:51:52,561 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:51:52,561 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:52,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:52,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:52,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:52,562 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:52,562 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:52,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:52,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:52,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:52,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:52,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:52,564 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:51:52,564 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:51:52,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:52,564 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:51:52,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:51:52,564 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_f621c8de-0bf4-44ee-a622-3bdb30730fef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b9c8396c2cadaebd0d1bf5efb2e2e779b8a2240a5737f65c06e64ea585aef3c [2021-11-23 15:51:53,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:53,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:53,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:53,062 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:53,063 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:53,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-acceleration/simple_3-2.c [2021-11-23 15:51:53,145 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/data/260c35831/457d1b56b7c8471cbe7b6d9de3cc92c4/FLAG080ed7410 [2021-11-23 15:51:53,627 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:53,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/sv-benchmarks/c/loop-acceleration/simple_3-2.c [2021-11-23 15:51:53,635 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/data/260c35831/457d1b56b7c8471cbe7b6d9de3cc92c4/FLAG080ed7410 [2021-11-23 15:51:54,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/data/260c35831/457d1b56b7c8471cbe7b6d9de3cc92c4 [2021-11-23 15:51:54,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:54,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:54,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:54,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:54,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:54,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609bcd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54, skipping insertion in model container [2021-11-23 15:51:54,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:54,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:54,160 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_f621c8de-0bf4-44ee-a622-3bdb30730fef/sv-benchmarks/c/loop-acceleration/simple_3-2.c[376,389] [2021-11-23 15:51:54,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:54,179 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:54,192 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_f621c8de-0bf4-44ee-a622-3bdb30730fef/sv-benchmarks/c/loop-acceleration/simple_3-2.c[376,389] [2021-11-23 15:51:54,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:54,229 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:54,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54 WrapperNode [2021-11-23 15:51:54,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:54,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:54,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:54,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:54,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,272 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2021-11-23 15:51:54,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:54,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:54,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:54,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:54,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:54,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:54,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:54,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:54,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:54,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:54,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:54,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:51:54,444 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:54,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:54,529 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:54,543 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 15:51:54,547 INFO L158 Benchmark]: Toolchain (without parser) took 538.78ms. Allocated memory is still 58.7MB. Free memory was 36.3MB in the beginning and 31.1MB in the end (delta: 5.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-11-23 15:51:54,548 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:54,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.18ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 42.0MB in the end (delta: -5.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-11-23 15:51:54,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.73ms. Allocated memory is still 58.7MB. Free memory was 41.8MB in the beginning and 40.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:54,551 INFO L158 Benchmark]: Boogie Preprocessor took 32.99ms. Allocated memory is still 58.7MB. Free memory was 40.5MB in the beginning and 39.6MB in the end (delta: 948.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:54,552 INFO L158 Benchmark]: RCFGBuilder took 237.37ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 31.1MB in the end (delta: 8.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:54,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.18ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 42.0MB in the end (delta: -5.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.73ms. Allocated memory is still 58.7MB. Free memory was 41.8MB in the beginning and 40.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.99ms. Allocated memory is still 58.7MB. Free memory was 40.5MB in the beginning and 39.6MB in the end (delta: 948.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 237.37ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 31.1MB in the end (delta: 8.2MB). 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 15:51:54,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f621c8de-0bf4-44ee-a622-3bdb30730fef/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable