./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina5f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/sina5f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b73b0414d99f7fa4a7417f652fd7ea5389e7020bd4f2da0d09463462303a81ea --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:34:46,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:34:46,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:34:46,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:34:46,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:34:46,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:34:46,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:34:46,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:34:46,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:34:46,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:34:46,221 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:34:46,222 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:34:46,222 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:34:46,223 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:34:46,223 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:34:46,224 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:34:46,225 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:34:46,225 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:34:46,226 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:34:46,226 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:34:46,227 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:34:46,228 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:34:46,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:34:46,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:34:46,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:34:46,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:34:46,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:34:46,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:34:46,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:34:46,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:34:46,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:34:46,233 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:34:46,233 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:34:46,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:34:46,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:34:46,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:34:46,235 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:34:46,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:34:46,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:34:46,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:34:46,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:34:46,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:34:46,241 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:34:46,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:34:46,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:34:46,242 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:34:46,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:34:46,243 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b73b0414d99f7fa4a7417f652fd7ea5389e7020bd4f2da0d09463462303a81ea [2024-11-09 04:34:46,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:34:46,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:34:46,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:34:46,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:34:46,593 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:34:46,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/array-fpi/sina5f.c Unable to find full path for "g++" [2024-11-09 04:34:48,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:34:48,943 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:34:48,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/sv-benchmarks/c/array-fpi/sina5f.c [2024-11-09 04:34:48,951 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/data/b19c9200e/b39f4f4612c4431b9d3902278a10d391/FLAG9a501cdfb [2024-11-09 04:34:49,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/data/b19c9200e/b39f4f4612c4431b9d3902278a10d391 [2024-11-09 04:34:49,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:34:49,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:34:49,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:34:49,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:34:49,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:34:49,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c864b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49, skipping insertion in model container [2024-11-09 04:34:49,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:34:49,612 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_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2024-11-09 04:34:49,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:34:49,656 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:34:49,688 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_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2024-11-09 04:34:49,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:34:49,745 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:34:49,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49 WrapperNode [2024-11-09 04:34:49,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:34:49,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:34:49,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:34:49,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:34:49,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,793 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-11-09 04:34:49,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:34:49,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:34:49,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:34:49,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:34:49,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:34:49,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:34:49,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:34:49,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:34:49,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49" (1/1) ... [2024-11-09 04:34:49,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:34:49,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:34:49,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:34:49,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:34:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:34:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:34:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:34:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:34:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:34:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:34:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:34:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:34:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:34:50,031 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:34:50,034 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:34:50,274 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 04:34:50,274 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:34:50,323 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:34:50,324 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:34:50,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:34:50 BoogieIcfgContainer [2024-11-09 04:34:50,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:34:50,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:34:50,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:34:50,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:34:50,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:34:49" (1/3) ... [2024-11-09 04:34:50,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e31a40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:34:50, skipping insertion in model container [2024-11-09 04:34:50,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:34:49" (2/3) ... [2024-11-09 04:34:50,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e31a40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:34:50, skipping insertion in model container [2024-11-09 04:34:50,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:34:50" (3/3) ... [2024-11-09 04:34:50,335 INFO L112 eAbstractionObserver]: Analyzing ICFG sina5f.c [2024-11-09 04:34:50,354 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:34:50,354 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:34:50,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:34:50,433 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=FINITE_AUTOMATA, 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;@1f86333d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:34:50,433 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:34:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 24 states have (on average 1.625) internal successors, (39), 25 states have internal predecessors, (39), 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) [2024-11-09 04:34:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 04:34:50,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:34:50,445 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:34:50,445 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:34:50,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:34:50,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1917106870, now seen corresponding path program 1 times [2024-11-09 04:34:50,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:34:50,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574034327] [2024-11-09 04:34:50,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:50,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:34:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:34:50,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:34:50,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:34:50,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574034327] [2024-11-09 04:34:50,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574034327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:34:50,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:34:50,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:34:50,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388738341] [2024-11-09 04:34:50,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:34:50,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:34:50,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:34:51,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:34:51,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:34:51,029 INFO L87 Difference]: Start difference. First operand has 26 states, 24 states have (on average 1.625) internal successors, (39), 25 states have internal predecessors, (39), 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 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-09 04:34:51,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:34:51,205 INFO L93 Difference]: Finished difference Result 50 states and 75 transitions. [2024-11-09 04:34:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:34:51,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2024-11-09 04:34:51,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:34:51,219 INFO L225 Difference]: With dead ends: 50 [2024-11-09 04:34:51,219 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 04:34:51,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:34:51,231 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:34:51,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 37 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:34:51,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 04:34:51,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-09 04:34:51,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 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) [2024-11-09 04:34:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2024-11-09 04:34:51,281 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 16 [2024-11-09 04:34:51,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:34:51,281 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2024-11-09 04:34:51,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-09 04:34:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-09 04:34:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 04:34:51,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:34:51,283 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:34:51,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:34:51,287 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:34:51,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:34:51,288 INFO L85 PathProgramCache]: Analyzing trace with hash -386604293, now seen corresponding path program 1 times [2024-11-09 04:34:51,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:34:51,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455882399] [2024-11-09 04:34:51,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:51,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:34:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:34:51,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:34:51,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:34:51,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455882399] [2024-11-09 04:34:51,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455882399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:34:51,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:34:51,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:34:51,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015798609] [2024-11-09 04:34:51,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:34:51,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:34:51,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:34:51,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:34:51,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:34:51,478 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 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) [2024-11-09 04:34:51,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:34:51,613 INFO L93 Difference]: Finished difference Result 55 states and 79 transitions. [2024-11-09 04:34:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:34:51,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 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) Word has length 18 [2024-11-09 04:34:51,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:34:51,615 INFO L225 Difference]: With dead ends: 55 [2024-11-09 04:34:51,615 INFO L226 Difference]: Without dead ends: 39 [2024-11-09 04:34:51,616 INFO L431 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 [2024-11-09 04:34:51,617 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 51 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:34:51,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 11 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:34:51,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-09 04:34:51,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2024-11-09 04:34:51,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 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) [2024-11-09 04:34:51,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2024-11-09 04:34:51,626 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 18 [2024-11-09 04:34:51,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:34:51,626 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-11-09 04:34:51,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 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) [2024-11-09 04:34:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-09 04:34:51,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 04:34:51,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:34:51,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:34:51,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:34:51,628 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:34:51,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:34:51,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1037012815, now seen corresponding path program 1 times [2024-11-09 04:34:51,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:34:51,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652404581] [2024-11-09 04:34:51,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:34:51,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:34:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:34:51,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:34:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:34:51,796 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:34:51,797 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:34:51,798 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:34:51,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:34:51,804 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 04:34:51,867 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:34:51,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:34:51 BoogieIcfgContainer [2024-11-09 04:34:51,871 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:34:51,872 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:34:51,872 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:34:51,872 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:34:51,873 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:34:50" (3/4) ... [2024-11-09 04:34:51,874 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 04:34:51,952 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c6fcc44-e5f2-4116-9b65-edc8037f2d67/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:34:51,955 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:34:51,957 INFO L158 Benchmark]: Toolchain (without parser) took 2627.03ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 79.6MB in the beginning and 106.7MB in the end (delta: -27.1MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-09 04:34:51,957 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 101.3MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:34:51,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.61ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 79.2MB in the beginning and 148.8MB in the end (delta: -69.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-09 04:34:51,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.02ms. Allocated memory is still 178.3MB. Free memory was 148.7MB in the beginning and 147.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:34:51,958 INFO L158 Benchmark]: Boogie Preprocessor took 44.07ms. Allocated memory is still 178.3MB. Free memory was 147.0MB in the beginning and 149.2MB in the end (delta: -2.1MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-11-09 04:34:51,959 INFO L158 Benchmark]: RCFGBuilder took 485.47ms. Allocated memory is still 178.3MB. Free memory was 149.2MB in the beginning and 132.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:34:51,959 INFO L158 Benchmark]: TraceAbstraction took 1543.44ms. Allocated memory is still 178.3MB. Free memory was 132.3MB in the beginning and 109.8MB in the end (delta: 22.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-11-09 04:34:51,960 INFO L158 Benchmark]: Witness Printer took 83.91ms. Allocated memory is still 178.3MB. Free memory was 109.8MB in the beginning and 106.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:34:51,962 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 101.3MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.61ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 79.2MB in the beginning and 148.8MB in the end (delta: -69.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.02ms. Allocated memory is still 178.3MB. Free memory was 148.7MB in the beginning and 147.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.07ms. Allocated memory is still 178.3MB. Free memory was 147.0MB in the beginning and 149.2MB in the end (delta: -2.1MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * RCFGBuilder took 485.47ms. Allocated memory is still 178.3MB. Free memory was 149.2MB in the beginning and 132.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1543.44ms. Allocated memory is still 178.3MB. Free memory was 132.3MB in the beginning and 109.8MB in the end (delta: 22.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 83.91ms. Allocated memory is still 178.3MB. Free memory was 109.8MB in the beginning and 106.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L30] long long *b = malloc(sizeof(long long)*N); [L32] sum[0] = 0 [L33] i=0 VAL [N=1, a={-1:0}, b={4:0}, i=0, sum={6:0}] [L33] COND FALSE !(i