./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/condmf.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_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/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_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/condmf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/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_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/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 8b6b1727c7f27bf18b238c3c1fb010948773bc04ec7ceea86889167b58abd536 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:25:53,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:25:53,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:25:53,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:25:53,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:25:53,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:25:53,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:25:53,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:25:53,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:25:53,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:25:53,908 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:25:53,909 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:25:53,910 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:25:53,910 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:25:53,911 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:25:53,913 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:25:53,914 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:25:53,914 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:25:53,914 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:25:53,915 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:25:53,915 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:25:53,915 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:25:53,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:25:53,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:25:53,920 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:25:53,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:25:53,921 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:25:53,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:25:53,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:25:53,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:25:53,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:25:53,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:25:53,922 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:25:53,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:25:53,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:25:53,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:25:53,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:25:53,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:25:53,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:25:53,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:25:53,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:25:53,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:25:53,927 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:25:53,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:25:53,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:25:53,928 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:25:53,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:25:53,929 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_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b6b1727c7f27bf18b238c3c1fb010948773bc04ec7ceea86889167b58abd536 [2024-11-09 01:25:54,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:25:54,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:25:54,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:25:54,330 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:25:54,330 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:25:54,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/array-fpi/condmf.c Unable to find full path for "g++" [2024-11-09 01:25:56,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:25:56,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:25:56,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/sv-benchmarks/c/array-fpi/condmf.c [2024-11-09 01:25:56,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje/data/8e41cccaf/dade5a4a19d5403b85a75434cac23055/FLAG8735c5a1c [2024-11-09 01:25:56,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje/data/8e41cccaf/dade5a4a19d5403b85a75434cac23055 [2024-11-09 01:25:56,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:25:56,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:25:56,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:25:56,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:25:56,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:25:56,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:25:56" (1/1) ... [2024-11-09 01:25:56,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab449c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:56, skipping insertion in model container [2024-11-09 01:25:56,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:25:56" (1/1) ... [2024-11-09 01:25:56,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:25:57,094 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_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/sv-benchmarks/c/array-fpi/condmf.c[589,602] [2024-11-09 01:25:57,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:25:57,135 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:25:57,150 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_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/sv-benchmarks/c/array-fpi/condmf.c[589,602] [2024-11-09 01:25:57,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:25:57,195 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:25:57,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57 WrapperNode [2024-11-09 01:25:57,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:25:57,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:25:57,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:25:57,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:25:57,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57" (1/1) ... [2024-11-09 01:25:57,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57" (1/1) ... [2024-11-09 01:25:57,254 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-09 01:25:57,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:25:57,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:25:57,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:25:57,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:25:57,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57" (1/1) ... [2024-11-09 01:25:57,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57" (1/1) ... [2024-11-09 01:25:57,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57" (1/1) ... [2024-11-09 01:25:57,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57" (1/1) ... [2024-11-09 01:25:57,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57" (1/1) ... [2024-11-09 01:25:57,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57" (1/1) ... [2024-11-09 01:25:57,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57" (1/1) ... [2024-11-09 01:25:57,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57" (1/1) ... [2024-11-09 01:25:57,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:25:57,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:25:57,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:25:57,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:25:57,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57" (1/1) ... [2024-11-09 01:25:57,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:25:57,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:25:57,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:25:57,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:25:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:25:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:25:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 01:25:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 01:25:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:25:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:25:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 01:25:57,550 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:25:57,553 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:25:57,765 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 01:25:57,765 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:25:57,828 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:25:57,829 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:25:57,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:25:57 BoogieIcfgContainer [2024-11-09 01:25:57,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:25:57,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:25:57,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:25:57,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:25:57,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:25:56" (1/3) ... [2024-11-09 01:25:57,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519c6b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:25:57, skipping insertion in model container [2024-11-09 01:25:57,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:57" (2/3) ... [2024-11-09 01:25:57,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519c6b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:25:57, skipping insertion in model container [2024-11-09 01:25:57,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:25:57" (3/3) ... [2024-11-09 01:25:57,841 INFO L112 eAbstractionObserver]: Analyzing ICFG condmf.c [2024-11-09 01:25:57,867 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:25:57,867 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:25:57,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:25:57,947 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;@5bc5f143, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:25:57,947 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:25:57,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.6) internal successors, (24), 16 states have internal predecessors, (24), 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 01:25:57,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 01:25:57,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:57,963 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:57,964 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:57,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:57,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1740064464, now seen corresponding path program 1 times [2024-11-09 01:25:57,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:57,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947634433] [2024-11-09 01:25:57,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:57,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:58,427 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 01:25:58,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:58,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947634433] [2024-11-09 01:25:58,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947634433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:58,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:58,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:25:58,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146912486] [2024-11-09 01:25:58,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:58,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:25:58,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:58,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:25:58,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:25:58,491 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.6) internal successors, (24), 16 states have internal predecessors, (24), 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 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 01:25:58,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:58,600 INFO L93 Difference]: Finished difference Result 32 states and 45 transitions. [2024-11-09 01:25:58,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:25:58,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-11-09 01:25:58,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:58,615 INFO L225 Difference]: With dead ends: 32 [2024-11-09 01:25:58,616 INFO L226 Difference]: Without dead ends: 16 [2024-11-09 01:25:58,620 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 01:25:58,626 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:58,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:25:58,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-09 01:25:58,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-09 01:25:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 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 01:25:58,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2024-11-09 01:25:58,671 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 10 [2024-11-09 01:25:58,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:58,671 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-11-09 01:25:58,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 01:25:58,672 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-09 01:25:58,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 01:25:58,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:58,673 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:58,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:25:58,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:58,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:58,675 INFO L85 PathProgramCache]: Analyzing trace with hash 228148949, now seen corresponding path program 1 times [2024-11-09 01:25:58,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:58,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175134148] [2024-11-09 01:25:58,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:58,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:58,896 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 01:25:58,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:58,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175134148] [2024-11-09 01:25:58,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175134148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:58,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:58,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:25:58,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815031640] [2024-11-09 01:25:58,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:58,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:25:58,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:58,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:25:58,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:25:58,905 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 01:25:58,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:58,985 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2024-11-09 01:25:58,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:25:58,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-09 01:25:58,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:58,987 INFO L225 Difference]: With dead ends: 31 [2024-11-09 01:25:58,988 INFO L226 Difference]: Without dead ends: 24 [2024-11-09 01:25:58,988 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 01:25:58,990 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 27 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:58,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 8 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:25:58,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-09 01:25:58,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2024-11-09 01:25:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 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 01:25:58,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2024-11-09 01:25:58,997 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 12 [2024-11-09 01:25:58,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:58,998 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-11-09 01:25:58,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 01:25:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-09 01:25:58,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 01:25:58,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:58,999 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:59,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:25:59,000 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:59,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:59,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1508293223, now seen corresponding path program 1 times [2024-11-09 01:25:59,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:59,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803014184] [2024-11-09 01:25:59,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:59,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:25:59,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:25:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:25:59,161 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:25:59,165 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:25:59,167 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:25:59,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 01:25:59,175 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 01:25:59,202 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:25:59,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:25:59 BoogieIcfgContainer [2024-11-09 01:25:59,207 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:25:59,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:25:59,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:25:59,209 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:25:59,209 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:25:57" (3/4) ... [2024-11-09 01:25:59,210 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 01:25:59,262 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 01:25:59,263 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:25:59,264 INFO L158 Benchmark]: Toolchain (without parser) took 2415.48ms. Allocated memory is still 157.3MB. Free memory was 127.6MB in the beginning and 65.3MB in the end (delta: 62.3MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2024-11-09 01:25:59,264 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:25:59,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.47ms. Allocated memory is still 157.3MB. Free memory was 127.4MB in the beginning and 116.2MB in the end (delta: 11.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-09 01:25:59,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.23ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 114.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:25:59,266 INFO L158 Benchmark]: Boogie Preprocessor took 41.21ms. Allocated memory is still 157.3MB. Free memory was 114.6MB in the beginning and 113.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:25:59,266 INFO L158 Benchmark]: RCFGBuilder took 533.17ms. Allocated memory is still 157.3MB. Free memory was 113.4MB in the beginning and 115.6MB in the end (delta: -2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:25:59,267 INFO L158 Benchmark]: TraceAbstraction took 1375.19ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 67.4MB in the end (delta: 47.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-09 01:25:59,268 INFO L158 Benchmark]: Witness Printer took 54.77ms. Allocated memory is still 157.3MB. Free memory was 67.4MB in the beginning and 65.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:25:59,271 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.47ms. Allocated memory is still 157.3MB. Free memory was 127.4MB in the beginning and 116.2MB in the end (delta: 11.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.23ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 114.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.21ms. Allocated memory is still 157.3MB. Free memory was 114.6MB in the beginning and 113.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.17ms. Allocated memory is still 157.3MB. Free memory was 113.4MB in the beginning and 115.6MB in the end (delta: -2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1375.19ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 67.4MB in the end (delta: 47.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 54.77ms. Allocated memory is still 157.3MB. Free memory was 67.4MB in the beginning and 65.3MB in the end (delta: 2.1MB). 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] int *a = malloc(sizeof(int)*N); [L30] i = 0 VAL [N=1, a={-1:0}, i=0] [L30] COND FALSE !(i < N) VAL [N=1, a={-1:0}, i=0] [L30] COND TRUE i < N [L32] a[i] = 0 [L30] i++ VAL [N=1, a={-1:0}, i=1] [L30] COND TRUE i < N VAL [N=1, a={-1:0}] [L35] i = 0 VAL [N=1, a={-1:0}, i=0] [L35] COND FALSE !(i < N) VAL [N=1, a={-1:0}, i=0] [L35] COND TRUE i < N [L37] COND TRUE N%2 == 1 [L39] EXPR a[i] [L39] a[i] = a[i] + 2 [L35] i++ VAL [N=1, a={-1:0}, i=1] [L35] COND TRUE i < N VAL [N=1, a={-1:0}] [L47] i = 0 VAL [N=1, a={-1:0}, i=0] [L47] COND FALSE !(i < N) VAL [N=1, a={-1:0}, i=0] [L47] COND TRUE i < N [L49] EXPR a[i] [L49] CALL __VERIFIER_assert(a[i] % 2 == N % 2) [L15] COND TRUE !(cond) VAL [N=1] [L15] reach_error() VAL [N=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 22 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=2, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-09 01:25:59,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ac249d-4f4f-45ff-b1c1-27f3514c51d1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE