./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e486f0f9d7d5faf0af2c33128bdcb8eeb95bb04afff03e23e86c60ceb8da8466 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:27:50,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:27:50,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:27:50,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:27:50,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:27:50,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:27:50,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:27:50,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:27:50,497 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:27:50,497 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:27:50,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:27:50,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:27:50,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:27:50,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:27:50,498 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:27:50,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:27:50,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:27:50,499 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:27:50,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:27:50,499 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:27:50,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:27:50,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:27:50,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:27:50,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:27:50,500 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:27:50,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:27:50,500 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:27:50,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:27:50,501 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:27:50,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:27:50,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:27:50,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:27:50,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:27:50,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:27:50,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:27:50,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:27:50,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:27:50,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:27:50,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:27:50,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:27:50,503 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:27:50,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:27:50,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:27:50,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:27:50,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:27:50,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:27:50,503 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:27:50,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:27:50,504 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e486f0f9d7d5faf0af2c33128bdcb8eeb95bb04afff03e23e86c60ceb8da8466 [2024-11-28 03:27:50,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:27:50,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:27:50,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:27:50,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:27:50,829 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:27:50,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2024-11-28 03:27:53,977 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/data/284709901/168694c4a3984014832622083f54ebc7/FLAG27c5f3df4 [2024-11-28 03:27:54,355 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:27:54,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2024-11-28 03:27:54,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/data/284709901/168694c4a3984014832622083f54ebc7/FLAG27c5f3df4 [2024-11-28 03:27:54,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/data/284709901/168694c4a3984014832622083f54ebc7 [2024-11-28 03:27:54,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:27:54,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:27:54,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:27:54,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:27:54,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:27:54,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:27:54" (1/1) ... [2024-11-28 03:27:54,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fd3002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:54, skipping insertion in model container [2024-11-28 03:27:54,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:27:54" (1/1) ... [2024-11-28 03:27:54,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:27:54,883 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_e2a66627-f106-48b6-b097-1d76e902ed6d/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c[38357,38370] [2024-11-28 03:27:54,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:27:54,926 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:27:55,105 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_e2a66627-f106-48b6-b097-1d76e902ed6d/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c[38357,38370] [2024-11-28 03:27:55,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:27:55,146 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:27:55,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55 WrapperNode [2024-11-28 03:27:55,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:27:55,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:27:55,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:27:55,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:27:55,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,276 INFO L138 Inliner]: procedures = 18, calls = 619, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2284 [2024-11-28 03:27:55,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:27:55,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:27:55,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:27:55,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:27:55,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,303 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,377 INFO L175 MemorySlicer]: Split 221 memory accesses to 5 slices as follows [2, 169, 7, 2, 41]. 76 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 0, 7, 2, 0]. The 127 writes are split as follows [0, 127, 0, 0, 0]. [2024-11-28 03:27:55,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,420 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:27:55,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:27:55,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:27:55,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:27:55,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (1/1) ... [2024-11-28 03:27:55,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:27:55,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:55,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:55,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:27:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:27:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:27:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:27:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:27:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:27:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:27:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:27:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:27:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:27:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:27:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:27:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:27:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:27:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:27:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:27:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:27:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:27:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:27:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:27:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:27:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:27:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:27:55,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:27:55,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:27:55,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:27:55,824 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:27:55,826 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:28:04,798 INFO L? ?]: Removed 315 outVars from TransFormulas that were not future-live. [2024-11-28 03:28:04,798 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:28:04,821 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:28:04,825 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:28:04,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:28:04 BoogieIcfgContainer [2024-11-28 03:28:04,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:28:04,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:28:04,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:28:04,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:28:04,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:27:54" (1/3) ... [2024-11-28 03:28:04,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5e18fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:28:04, skipping insertion in model container [2024-11-28 03:28:04,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:55" (2/3) ... [2024-11-28 03:28:04,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5e18fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:28:04, skipping insertion in model container [2024-11-28 03:28:04,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:28:04" (3/3) ... [2024-11-28 03:28:04,842 INFO L128 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+nlh-reducer.c [2024-11-28 03:28:04,867 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:28:04,874 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aiob_4.c.v+nlh-reducer.c that has 1 procedures, 179 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 03:28:04,975 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:28:04,991 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4240cc7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:28:04,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:28:04,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 179 states, 177 states have (on average 1.9774011299435028) internal successors, (350), 178 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:28:05,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-28 03:28:05,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:05,013 INFO L218 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:28:05,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:28:05,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:05,020 INFO L85 PathProgramCache]: Analyzing trace with hash 492676326, now seen corresponding path program 1 times [2024-11-28 03:28:05,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:28:05,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921518662] [2024-11-28 03:28:05,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:05,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:28:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:29:06,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:29:06,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:29:06,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921518662] [2024-11-28 03:29:06,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921518662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:06,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:06,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2024-11-28 03:29:06,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215261608] [2024-11-28 03:29:06,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:06,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-28 03:29:06,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:29:06,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-28 03:29:06,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2960, Unknown=0, NotChecked=0, Total=3080 [2024-11-28 03:29:06,147 INFO L87 Difference]: Start difference. First operand has 179 states, 177 states have (on average 1.9774011299435028) internal successors, (350), 178 states have internal predecessors, (350), 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 56 states, 56 states have (on average 3.125) internal successors, (175), 56 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:29:10,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:29:14,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:29:18,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:29:23,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:29:27,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:29:31,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:29:35,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:29:39,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:29:43,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:29:47,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:29:52,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:29:56,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:00,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:04,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:08,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:12,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:16,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:20,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:24,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:29,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:33,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:37,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:41,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:45,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:49,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:54,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:30:58,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:02,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:06,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:10,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:14,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:18,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:22,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:26,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:30,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:35,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:39,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:43,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:47,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:51,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:55,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:59,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:03,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:08,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:12,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:16,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:20,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:24,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:29,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:33,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:37,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:34:11,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:11,787 INFO L93 Difference]: Finished difference Result 182 states and 352 transitions. [2024-11-28 03:34:11,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-28 03:34:11,789 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 3.125) internal successors, (175), 56 states have internal predecessors, (175), 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 175 [2024-11-28 03:34:11,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:11,795 INFO L225 Difference]: With dead ends: 182 [2024-11-28 03:34:11,795 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:34:11,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=120, Invalid=2960, Unknown=0, NotChecked=0, Total=3080 [2024-11-28 03:34:11,804 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 11 mSDsluCounter, 3336 mSDsCounter, 0 mSdLazyCounter, 10181 mSolverCounterSat, 12 mSolverCounterUnsat, 51 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 298.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3415 SdHoareTripleChecker+Invalid, 10244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 10181 IncrementalHoareTripleChecker+Invalid, 51 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 305.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:11,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3415 Invalid, 10244 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 10181 Invalid, 51 Unknown, 0 Unchecked, 305.2s Time] [2024-11-28 03:34:11,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:34:11,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:34:11,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:34:11,835 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2024-11-28 03:34:11,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:11,835 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:34:11,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.125) internal successors, (175), 56 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:34:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:34:11,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:34:11,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:34:11,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:34:11,844 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 03:34:11,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:34:11,853 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:34:11,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:34:11 BoogieIcfgContainer [2024-11-28 03:34:11,861 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:34:11,862 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:34:11,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:34:11,862 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:34:11,863 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:28:04" (3/4) ... [2024-11-28 03:34:11,865 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:34:11,889 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 209 nodes and edges [2024-11-28 03:34:11,892 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-28 03:34:11,894 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-28 03:34:11,896 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 03:34:11,898 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 03:34:11,900 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:34:12,203 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:34:12,204 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:34:12,204 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:34:12,205 INFO L158 Benchmark]: Toolchain (without parser) took 377797.78ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 104.7MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 821.3MB. Max. memory is 16.1GB. [2024-11-28 03:34:12,205 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:34:12,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.46ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 70.9MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 03:34:12,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.50ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 62.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:34:12,207 INFO L158 Benchmark]: Boogie Preprocessor took 176.13ms. Allocated memory is still 142.6MB. Free memory was 62.2MB in the beginning and 46.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:34:12,208 INFO L158 Benchmark]: RCFGBuilder took 9372.69ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 46.1MB in the beginning and 134.9MB in the end (delta: -88.8MB). Peak memory consumption was 144.1MB. Max. memory is 16.1GB. [2024-11-28 03:34:12,208 INFO L158 Benchmark]: TraceAbstraction took 367031.37ms. Allocated memory was 360.7MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 133.9MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 591.8MB. Max. memory is 16.1GB. [2024-11-28 03:34:12,209 INFO L158 Benchmark]: Witness Printer took 342.14ms. Allocated memory is still 2.0GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 38.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-28 03:34:12,210 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 738.46ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 70.9MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.50ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 62.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.13ms. Allocated memory is still 142.6MB. Free memory was 62.2MB in the beginning and 46.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 9372.69ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 46.1MB in the beginning and 134.9MB in the end (delta: -88.8MB). Peak memory consumption was 144.1MB. Max. memory is 16.1GB. * TraceAbstraction took 367031.37ms. Allocated memory was 360.7MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 133.9MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 591.8MB. Max. memory is 16.1GB. * Witness Printer took 342.14ms. Allocated memory is still 2.0GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 38.8MB). Peak memory consumption was 41.9MB. 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 - PositiveResult [Line: 1287]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 179 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 366.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 305.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 51 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 305.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 3415 SdHoareTripleChecker+Invalid, 298.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3336 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10181 IncrementalHoareTripleChecker+Invalid, 10244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 79 mSDtfsCounter, 10181 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 16.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=0, InterpolantAutomatonStates: 45, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 25.9s SatisfiabilityAnalysisTime, 28.1s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 2308 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:34:12,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2a66627-f106-48b6-b097-1d76e902ed6d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE