./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/sorting_selectionsort_ground-1.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_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/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_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/sorting_selectionsort_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/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_b00b5fe6-fe6d-450f-b667-399f2268d7c8/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 5aa72773233f17156d62ec9c7729aefdd69e77cc68e9bdd6e006eaf36895d27a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:34:32,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:34:32,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:34:32,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:34:32,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:34:32,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:34:32,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:34:32,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:34:32,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:34:32,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:34:32,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:34:32,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:34:32,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:34:32,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:34:32,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:34:32,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:34:32,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:34:32,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:34:32,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:34:32,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:34:32,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:34:32,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:34:32,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:34:32,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:34:32,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:34:32,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:34:32,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:34:32,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:34:32,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:34:32,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:34:32,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:34:32,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:34:32,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:34:32,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:34:32,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:34:32,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:34:32,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:34:32,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:34:32,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:34:32,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:34:32,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:34:32,695 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:34:32,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:34:32,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:34:32,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:34:32,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:34:32,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:34:32,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:34:32,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:34:32,750 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:34:32,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:34:32,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:34:32,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:34:32,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:34:32,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:34:32,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:34:32,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:34:32,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:34:32,762 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:34:32,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:34:32,762 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:34:32,762 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:34:32,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:34:32,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:32,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:34:32,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:34:32,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:34:32,764 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:34:32,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:34:32,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:34:32,765 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_b00b5fe6-fe6d-450f-b667-399f2268d7c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5aa72773233f17156d62ec9c7729aefdd69e77cc68e9bdd6e006eaf36895d27a [2021-11-23 15:34:33,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:34:33,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:34:33,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:34:33,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:34:33,191 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:34:33,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-examples/sorting_selectionsort_ground-1.i [2021-11-23 15:34:33,268 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/data/b265d6354/0596cf66687b494ca2312f3ec7626727/FLAG0083de523 [2021-11-23 15:34:33,811 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:34:33,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/sv-benchmarks/c/array-examples/sorting_selectionsort_ground-1.i [2021-11-23 15:34:33,827 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/data/b265d6354/0596cf66687b494ca2312f3ec7626727/FLAG0083de523 [2021-11-23 15:34:34,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/data/b265d6354/0596cf66687b494ca2312f3ec7626727 [2021-11-23 15:34:34,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:34:34,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:34:34,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:34,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:34:34,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:34:34,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:34" (1/1) ... [2021-11-23 15:34:34,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431c775c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:34, skipping insertion in model container [2021-11-23 15:34:34,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:34" (1/1) ... [2021-11-23 15:34:34,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:34:34,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:34:34,354 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_b00b5fe6-fe6d-450f-b667-399f2268d7c8/sv-benchmarks/c/array-examples/sorting_selectionsort_ground-1.i[823,836] [2021-11-23 15:34:34,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:34,383 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:34:34,395 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_b00b5fe6-fe6d-450f-b667-399f2268d7c8/sv-benchmarks/c/array-examples/sorting_selectionsort_ground-1.i[823,836] [2021-11-23 15:34:34,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:34,422 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:34:34,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:34 WrapperNode [2021-11-23 15:34:34,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:34,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:34,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:34:34,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:34:34,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:34" (1/1) ... [2021-11-23 15:34:34,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:34" (1/1) ... [2021-11-23 15:34:34,475 INFO L137 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 114 [2021-11-23 15:34:34,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:34,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:34:34,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:34:34,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:34:34,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:34" (1/1) ... [2021-11-23 15:34:34,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:34" (1/1) ... [2021-11-23 15:34:34,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:34" (1/1) ... [2021-11-23 15:34:34,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:34" (1/1) ... [2021-11-23 15:34:34,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:34" (1/1) ... [2021-11-23 15:34:34,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:34" (1/1) ... [2021-11-23 15:34:34,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:34" (1/1) ... [2021-11-23 15:34:34,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:34:34,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:34:34,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:34:34,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:34:34,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:34" (1/1) ... [2021-11-23 15:34:34,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:34,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:34:34,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:34:34,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:34:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:34:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:34:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:34:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:34:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:34:34,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:34:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:34:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:34:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:34:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:34:34,756 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:34:34,757 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:34:35,035 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:34:35,058 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 15:34:35,063 INFO L158 Benchmark]: Toolchain (without parser) took 920.08ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 43.6MB in the beginning and 68.4MB in the end (delta: -24.9MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2021-11-23 15:34:35,064 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:35,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.89ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 43.4MB in the beginning and 83.8MB in the end (delta: -40.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 15:34:35,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.80ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 81.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:35,066 INFO L158 Benchmark]: Boogie Preprocessor took 63.46ms. Allocated memory is still 109.1MB. Free memory was 81.9MB in the beginning and 80.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:35,067 INFO L158 Benchmark]: RCFGBuilder took 517.45ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 68.4MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:34:35,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.89ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 43.4MB in the beginning and 83.8MB in the end (delta: -40.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.80ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 81.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.46ms. Allocated memory is still 109.1MB. Free memory was 81.9MB in the beginning and 80.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 517.45ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 68.4MB in the end (delta: 12.0MB). 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 15:34:35,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/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_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/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_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/sorting_selectionsort_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/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_b00b5fe6-fe6d-450f-b667-399f2268d7c8/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 5aa72773233f17156d62ec9c7729aefdd69e77cc68e9bdd6e006eaf36895d27a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:34:37,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:34:37,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:34:37,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:34:37,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:34:37,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:34:37,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:34:37,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:34:37,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:34:37,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:34:37,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:34:37,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:34:37,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:34:37,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:34:37,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:34:37,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:34:37,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:34:37,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:34:37,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:34:37,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:34:37,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:34:37,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:34:37,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:34:37,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:34:37,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:34:37,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:34:37,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:34:37,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:34:37,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:34:37,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:34:37,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:34:37,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:34:37,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:34:37,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:34:37,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:34:37,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:34:37,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:34:37,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:34:37,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:34:37,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:34:37,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:34:37,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:34:37,669 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:34:37,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:34:37,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:34:37,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:34:37,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:34:37,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:34:37,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:34:37,675 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:34:37,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:34:37,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:34:37,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:34:37,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:34:37,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:34:37,677 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:34:37,677 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:34:37,678 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:34:37,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:34:37,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:34:37,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:34:37,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:34:37,679 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:34:37,679 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:34:37,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:34:37,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:37,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:34:37,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:34:37,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:34:37,681 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:34:37,681 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:34:37,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:34:37,681 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:34:37,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:34:37,682 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_b00b5fe6-fe6d-450f-b667-399f2268d7c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5aa72773233f17156d62ec9c7729aefdd69e77cc68e9bdd6e006eaf36895d27a [2021-11-23 15:34:38,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:34:38,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:34:38,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:34:38,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:34:38,108 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:34:38,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-examples/sorting_selectionsort_ground-1.i [2021-11-23 15:34:38,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/data/9ac21e786/69dc0914b9be4d55b776f083a8f456f8/FLAG6b9bb1df0 [2021-11-23 15:34:38,739 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:34:38,740 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/sv-benchmarks/c/array-examples/sorting_selectionsort_ground-1.i [2021-11-23 15:34:38,749 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/data/9ac21e786/69dc0914b9be4d55b776f083a8f456f8/FLAG6b9bb1df0 [2021-11-23 15:34:39,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/data/9ac21e786/69dc0914b9be4d55b776f083a8f456f8 [2021-11-23 15:34:39,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:34:39,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:34:39,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:39,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:34:39,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:34:39,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:39" (1/1) ... [2021-11-23 15:34:39,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e43df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:39, skipping insertion in model container [2021-11-23 15:34:39,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:39" (1/1) ... [2021-11-23 15:34:39,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:34:39,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:34:39,351 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_b00b5fe6-fe6d-450f-b667-399f2268d7c8/sv-benchmarks/c/array-examples/sorting_selectionsort_ground-1.i[823,836] [2021-11-23 15:34:39,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:39,407 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:34:39,453 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_b00b5fe6-fe6d-450f-b667-399f2268d7c8/sv-benchmarks/c/array-examples/sorting_selectionsort_ground-1.i[823,836] [2021-11-23 15:34:39,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:39,509 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:34:39,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:39 WrapperNode [2021-11-23 15:34:39,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:39,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:39,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:34:39,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:34:39,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:39" (1/1) ... [2021-11-23 15:34:39,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:39" (1/1) ... [2021-11-23 15:34:39,576 INFO L137 Inliner]: procedures = 18, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 113 [2021-11-23 15:34:39,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:39,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:34:39,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:34:39,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:34:39,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:39" (1/1) ... [2021-11-23 15:34:39,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:39" (1/1) ... [2021-11-23 15:34:39,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:39" (1/1) ... [2021-11-23 15:34:39,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:39" (1/1) ... [2021-11-23 15:34:39,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:39" (1/1) ... [2021-11-23 15:34:39,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:39" (1/1) ... [2021-11-23 15:34:39,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:39" (1/1) ... [2021-11-23 15:34:39,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:34:39,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:34:39,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:34:39,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:34:39,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:39" (1/1) ... [2021-11-23 15:34:39,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:39,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:34:39,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:34:39,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:34:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:34:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:34:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:34:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:34:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:34:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:34:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:34:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:34:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:34:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:34:39,862 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:34:39,864 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:34:40,134 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:34:40,156 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 15:34:40,160 INFO L158 Benchmark]: Toolchain (without parser) took 1046.59ms. Allocated memory is still 75.5MB. Free memory was 57.1MB in the beginning and 41.7MB in the end (delta: 15.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-23 15:34:40,161 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:40,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.40ms. Allocated memory is still 75.5MB. Free memory was 56.9MB in the beginning and 57.8MB in the end (delta: -903.0kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:34:40,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.57ms. Allocated memory is still 75.5MB. Free memory was 57.8MB in the beginning and 56.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:40,164 INFO L158 Benchmark]: Boogie Preprocessor took 63.32ms. Allocated memory is still 75.5MB. Free memory was 56.1MB in the beginning and 54.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:34:40,166 INFO L158 Benchmark]: RCFGBuilder took 517.28ms. Allocated memory is still 75.5MB. Free memory was 54.6MB in the beginning and 41.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:34:40,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.40ms. Allocated memory is still 75.5MB. Free memory was 56.9MB in the beginning and 57.8MB in the end (delta: -903.0kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.57ms. Allocated memory is still 75.5MB. Free memory was 57.8MB in the beginning and 56.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.32ms. Allocated memory is still 75.5MB. Free memory was 56.1MB in the beginning and 54.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 517.28ms. Allocated memory is still 75.5MB. Free memory was 54.6MB in the beginning and 41.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:34:40,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00b5fe6-fe6d-450f-b667-399f2268d7c8/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