./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs1f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/brs1f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 397d4cfd150d1b1299128d348dd7ea680fdedf9d0b4471c18114785f57a31b18 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:13:18,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:13:18,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:13:18,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:13:18,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:13:18,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:13:18,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:13:18,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:13:18,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:13:18,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:13:18,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:13:18,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:13:18,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:13:18,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:13:18,694 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:13:18,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:13:18,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:13:18,695 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:13:18,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:13:18,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:13:18,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:13:18,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:13:18,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:13:18,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:13:18,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:13:18,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:13:18,696 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:13:18,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:13:18,697 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:13:18,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:13:18,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:13:18,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:13:18,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:18,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:13:18,698 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:13:18,698 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:13:18,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:13:18,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:18,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:13:18,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:13:18,699 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:13:18,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:13:18,699 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:13:18,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:13:18,700 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:13:18,700 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:13:18,700 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:13:18,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:13:18,700 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> Automizer 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 -> 397d4cfd150d1b1299128d348dd7ea680fdedf9d0b4471c18114785f57a31b18 [2024-11-28 05:13:19,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:13:19,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:13:19,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:13:19,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:13:19,099 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:13:19,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/array-fpi/brs1f.c [2024-11-28 05:13:22,674 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/data/0f59b481b/9003b782c7234851980e0dd2f726c61f/FLAG4165b2f6a [2024-11-28 05:13:23,070 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:13:23,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/sv-benchmarks/c/array-fpi/brs1f.c [2024-11-28 05:13:23,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/data/0f59b481b/9003b782c7234851980e0dd2f726c61f/FLAG4165b2f6a [2024-11-28 05:13:23,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/data/0f59b481b/9003b782c7234851980e0dd2f726c61f [2024-11-28 05:13:23,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:13:23,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:13:23,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:13:23,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:13:23,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:13:23,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574d225f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23, skipping insertion in model container [2024-11-28 05:13:23,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,166 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:13:23,384 WARN L250 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_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/sv-benchmarks/c/array-fpi/brs1f.c[588,601] [2024-11-28 05:13:23,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:13:23,437 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:13:23,454 WARN L250 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_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/sv-benchmarks/c/array-fpi/brs1f.c[588,601] [2024-11-28 05:13:23,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:13:23,498 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:13:23,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23 WrapperNode [2024-11-28 05:13:23,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:13:23,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:13:23,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:13:23,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:13:23,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,551 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-28 05:13:23,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:13:23,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:13:23,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:13:23,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:13:23,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,597 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 3, 8, 4]. 47 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 8, 0]. The 4 writes are split as follows [0, 2, 0, 2]. [2024-11-28 05:13:23,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:13:23,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:13:23,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:13:23,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:13:23,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (1/1) ... [2024-11-28 05:13:23,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:23,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:23,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:13:23,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:13:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:13:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:13:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:13:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:13:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 05:13:23,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:13:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:13:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:13:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:13:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 05:13:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:13:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:13:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:13:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:13:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:13:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:13:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 05:13:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:13:23,851 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:13:23,854 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:13:24,076 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-28 05:13:24,076 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:13:24,088 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:13:24,088 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 05:13:24,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:24 BoogieIcfgContainer [2024-11-28 05:13:24,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:13:24,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:13:24,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:13:24,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:13:24,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:13:23" (1/3) ... [2024-11-28 05:13:24,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d62dd87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:13:24, skipping insertion in model container [2024-11-28 05:13:24,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:23" (2/3) ... [2024-11-28 05:13:24,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d62dd87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:13:24, skipping insertion in model container [2024-11-28 05:13:24,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:24" (3/3) ... [2024-11-28 05:13:24,101 INFO L128 eAbstractionObserver]: Analyzing ICFG brs1f.c [2024-11-28 05:13:24,121 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:13:24,123 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG brs1f.c that has 1 procedures, 20 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-28 05:13:24,190 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:13:24,205 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@130dc173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:13:24,205 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:13:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 05:13:24,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:24,220 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:24,221 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:13:24,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:24,229 INFO L85 PathProgramCache]: Analyzing trace with hash 706295566, now seen corresponding path program 1 times [2024-11-28 05:13:24,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:24,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233894470] [2024-11-28 05:13:24,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:24,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:13:24,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:24,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233894470] [2024-11-28 05:13:24,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233894470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:13:24,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:13:24,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:13:24,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851279874] [2024-11-28 05:13:24,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:13:24,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:13:24,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:24,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:13:24,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:13:24,462 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:24,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:24,474 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2024-11-28 05:13:24,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:13:24,476 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-28 05:13:24,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:24,483 INFO L225 Difference]: With dead ends: 36 [2024-11-28 05:13:24,483 INFO L226 Difference]: Without dead ends: 16 [2024-11-28 05:13:24,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:13:24,490 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:24,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:13:24,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-28 05:13:24,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-28 05:13:24,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-11-28 05:13:24,520 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2024-11-28 05:13:24,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:24,521 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-28 05:13:24,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-28 05:13:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 05:13:24,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:24,522 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:24,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:13:24,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:13:24,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:24,524 INFO L85 PathProgramCache]: Analyzing trace with hash -389640480, now seen corresponding path program 1 times [2024-11-28 05:13:24,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:24,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150707214] [2024-11-28 05:13:24,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:24,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:13:24,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:24,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150707214] [2024-11-28 05:13:24,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150707214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:13:24,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:13:24,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:13:24,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182370019] [2024-11-28 05:13:24,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:13:24,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:13:24,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:24,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:13:24,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:13:24,764 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:24,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:24,873 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2024-11-28 05:13:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:13:24,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-28 05:13:24,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:24,876 INFO L225 Difference]: With dead ends: 30 [2024-11-28 05:13:24,876 INFO L226 Difference]: Without dead ends: 22 [2024-11-28 05:13:24,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:13:24,878 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 17 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:24,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 11 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:13:24,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-28 05:13:24,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2024-11-28 05:13:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-11-28 05:13:24,890 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 11 [2024-11-28 05:13:24,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:24,893 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-11-28 05:13:24,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:24,894 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-28 05:13:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-28 05:13:24,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:24,894 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:24,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:13:24,895 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:13:24,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:24,895 INFO L85 PathProgramCache]: Analyzing trace with hash 387045340, now seen corresponding path program 1 times [2024-11-28 05:13:24,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:24,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806015141] [2024-11-28 05:13:24,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:24,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:13:24,986 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:13:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:13:25,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:13:25,074 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:13:25,076 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:13:25,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:13:25,086 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 05:13:25,122 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:13:25,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:13:25 BoogieIcfgContainer [2024-11-28 05:13:25,127 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:13:25,128 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:13:25,129 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:13:25,129 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:13:25,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:24" (3/4) ... [2024-11-28 05:13:25,131 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 05:13:25,184 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 12. [2024-11-28 05:13:25,252 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:13:25,252 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ea57ccb-fe23-4fe9-b69e-fae3f1ceccba/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:13:25,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:13:25,257 INFO L158 Benchmark]: Toolchain (without parser) took 2136.57ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 35.7MB in the end (delta: 64.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-28 05:13:25,258 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:13:25,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.33ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 89.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:13:25,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.43ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:13:25,259 INFO L158 Benchmark]: Boogie Preprocessor took 74.94ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 86.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:13:25,259 INFO L158 Benchmark]: RCFGBuilder took 460.37ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 74.6MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:13:25,259 INFO L158 Benchmark]: TraceAbstraction took 1036.08ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 40.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 05:13:25,260 INFO L158 Benchmark]: Witness Printer took 127.93ms. Allocated memory is still 142.6MB. Free memory was 40.4MB in the beginning and 35.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:13:25,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.33ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 89.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.43ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.94ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 86.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 460.37ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 74.6MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1036.08ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 40.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 127.93ms. Allocated memory is still 142.6MB. Free memory was 40.4MB in the beginning and 35.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [N=1, a={-1:0}, i=0, sum={9:0}] [L31] COND TRUE i