./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/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_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a82db68f7b8f363f6b0bcc2411736f9dd89d1bc3b2cb78acd33fa27de131c98b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:43:02,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:43:02,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 02:43:02,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:43:02,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:43:02,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:43:02,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:43:02,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:43:02,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:43:02,450 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:43:02,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:43:02,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:43:02,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:43:02,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:43:02,452 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:43:02,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:43:02,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:43:02,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:43:02,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:43:02,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:43:02,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:43:02,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:43:02,454 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 02:43:02,454 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:43:02,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:43:02,455 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:43:02,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:43:02,455 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:43:02,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:43:02,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:43:02,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:43:02,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:43:02,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:43:02,456 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:43:02,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:43:02,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:43:02,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:43:02,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:43:02,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:43:02,458 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:43:02,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:43:02,458 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:43:02,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:43:02,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:43:02,459 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:43:02,459 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:43:02,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:43:02,459 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_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82db68f7b8f363f6b0bcc2411736f9dd89d1bc3b2cb78acd33fa27de131c98b [2024-11-28 02:43:02,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:43:02,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:43:02,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:43:02,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:43:02,870 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:43:02,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i [2024-11-28 02:43:06,321 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/data/30986ab72/1fb2b9bd9fba405890eacb41e8604cdd/FLAGd9f9f37ff [2024-11-28 02:43:06,895 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:43:06,896 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i [2024-11-28 02:43:06,921 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/data/30986ab72/1fb2b9bd9fba405890eacb41e8604cdd/FLAGd9f9f37ff [2024-11-28 02:43:06,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/data/30986ab72/1fb2b9bd9fba405890eacb41e8604cdd [2024-11-28 02:43:06,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:43:06,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:43:06,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:43:06,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:43:06,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:43:06,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:43:06" (1/1) ... [2024-11-28 02:43:06,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0651dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:06, skipping insertion in model container [2024-11-28 02:43:06,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:43:06" (1/1) ... [2024-11-28 02:43:07,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:43:07,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:43:07,377 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:43:07,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:43:07,466 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:43:07,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07 WrapperNode [2024-11-28 02:43:07,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:43:07,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:43:07,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:43:07,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:43:07,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,514 INFO L138 Inliner]: procedures = 111, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2024-11-28 02:43:07,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:43:07,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:43:07,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:43:07,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:43:07,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,529 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,544 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [4, 2]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [3, 1]. [2024-11-28 02:43:07,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,551 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:43:07,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:43:07,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:43:07,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:43:07,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (1/1) ... [2024-11-28 02:43:07,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:43:07,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:07,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:43:07,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:43:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:43:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:43:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:43:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:43:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:43:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:43:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:43:07,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:43:07,798 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:43:07,800 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:43:08,106 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-28 02:43:08,107 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:43:08,124 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:43:08,125 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:43:08,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:08 BoogieIcfgContainer [2024-11-28 02:43:08,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:43:08,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:43:08,130 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:43:08,137 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:43:08,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:43:06" (1/3) ... [2024-11-28 02:43:08,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d584b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:43:08, skipping insertion in model container [2024-11-28 02:43:08,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:07" (2/3) ... [2024-11-28 02:43:08,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d584b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:43:08, skipping insertion in model container [2024-11-28 02:43:08,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:08" (3/3) ... [2024-11-28 02:43:08,142 INFO L128 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncat-alloca-1.i [2024-11-28 02:43:08,169 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:43:08,171 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG openbsd_cstrncat-alloca-1.i that has 1 procedures, 37 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2024-11-28 02:43:08,255 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:43:08,276 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;@13a6bc01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:43:08,277 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 02:43:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 36 states have internal predecessors, (47), 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 02:43:08,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 02:43:08,289 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:08,290 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:08,290 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 02:43:08,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:08,299 INFO L85 PathProgramCache]: Analyzing trace with hash 121384846, now seen corresponding path program 1 times [2024-11-28 02:43:08,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:08,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279995348] [2024-11-28 02:43:08,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:08,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:08,651 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 02:43:08,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:08,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279995348] [2024-11-28 02:43:08,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279995348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:08,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:08,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:43:08,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909754705] [2024-11-28 02:43:08,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:08,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:43:08,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:08,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:43:08,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:43:08,689 INFO L87 Difference]: Start difference. First operand has 37 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 36 states have internal predecessors, (47), 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 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 02:43:08,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:08,911 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2024-11-28 02:43:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:43:08,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-28 02:43:08,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:08,923 INFO L225 Difference]: With dead ends: 60 [2024-11-28 02:43:08,923 INFO L226 Difference]: Without dead ends: 33 [2024-11-28 02:43:08,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:43:08,931 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 31 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:08,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 75 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:43:08,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-28 02:43:08,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2024-11-28 02:43:08,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 31 states have internal predecessors, (38), 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 02:43:08,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2024-11-28 02:43:08,984 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 8 [2024-11-28 02:43:08,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:08,985 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2024-11-28 02:43:08,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 02:43:08,985 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2024-11-28 02:43:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 02:43:08,986 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:08,986 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:08,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:43:08,986 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 02:43:08,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:08,987 INFO L85 PathProgramCache]: Analyzing trace with hash 121444428, now seen corresponding path program 1 times [2024-11-28 02:43:08,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:08,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438689458] [2024-11-28 02:43:08,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:08,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:09,090 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 02:43:09,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:09,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438689458] [2024-11-28 02:43:09,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438689458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:09,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:09,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:43:09,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975939061] [2024-11-28 02:43:09,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:09,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:43:09,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:09,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:43:09,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:43:09,093 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 02:43:09,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:09,203 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2024-11-28 02:43:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:43:09,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-28 02:43:09,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:09,205 INFO L225 Difference]: With dead ends: 33 [2024-11-28 02:43:09,205 INFO L226 Difference]: Without dead ends: 30 [2024-11-28 02:43:09,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:43:09,207 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 26 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:09,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 21 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:43:09,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-28 02:43:09,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 21. [2024-11-28 02:43:09,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.5) internal successors, (24), 20 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) [2024-11-28 02:43:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-11-28 02:43:09,219 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 8 [2024-11-28 02:43:09,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:09,219 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-28 02:43:09,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 02:43:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-28 02:43:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 02:43:09,220 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:09,220 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:09,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:43:09,221 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 02:43:09,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:09,225 INFO L85 PathProgramCache]: Analyzing trace with hash -532037010, now seen corresponding path program 1 times [2024-11-28 02:43:09,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:09,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422167447] [2024-11-28 02:43:09,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:09,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:09,355 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 02:43:09,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:09,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422167447] [2024-11-28 02:43:09,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422167447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:09,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:09,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:43:09,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413401989] [2024-11-28 02:43:09,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:09,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:43:09,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:09,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:43:09,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:43:09,358 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 02:43:09,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:09,465 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2024-11-28 02:43:09,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:43:09,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-28 02:43:09,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:09,468 INFO L225 Difference]: With dead ends: 35 [2024-11-28 02:43:09,468 INFO L226 Difference]: Without dead ends: 32 [2024-11-28 02:43:09,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:43:09,470 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 18 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:09,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 34 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:43:09,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-28 02:43:09,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-28 02:43:09,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 31 states have internal predecessors, (38), 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 02:43:09,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2024-11-28 02:43:09,481 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 9 [2024-11-28 02:43:09,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:09,482 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2024-11-28 02:43:09,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 02:43:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2024-11-28 02:43:09,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 02:43:09,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:09,484 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:09,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:43:09,484 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 02:43:09,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:09,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1242970352, now seen corresponding path program 1 times [2024-11-28 02:43:09,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:09,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425812023] [2024-11-28 02:43:09,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:09,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:09,583 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 02:43:09,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:09,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425812023] [2024-11-28 02:43:09,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425812023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:09,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:09,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:43:09,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414524998] [2024-11-28 02:43:09,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:09,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:43:09,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:09,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:43:09,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:43:09,585 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 02:43:09,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:09,642 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2024-11-28 02:43:09,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:43:09,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-28 02:43:09,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:09,644 INFO L225 Difference]: With dead ends: 32 [2024-11-28 02:43:09,644 INFO L226 Difference]: Without dead ends: 29 [2024-11-28 02:43:09,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:43:09,645 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 18 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:09,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 21 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:43:09,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-28 02:43:09,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 18. [2024-11-28 02:43:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-11-28 02:43:09,648 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 9 [2024-11-28 02:43:09,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:09,649 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-28 02:43:09,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 02:43:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-28 02:43:09,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 02:43:09,649 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:09,650 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:09,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:43:09,650 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 02:43:09,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:09,651 INFO L85 PathProgramCache]: Analyzing trace with hash -334311568, now seen corresponding path program 1 times [2024-11-28 02:43:09,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:09,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494554326] [2024-11-28 02:43:09,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:09,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:09,825 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 02:43:09,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:09,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494554326] [2024-11-28 02:43:09,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494554326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:09,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:09,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:43:09,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861195529] [2024-11-28 02:43:09,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:09,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:43:09,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:09,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:43:09,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:43:09,827 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 02:43:09,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:09,936 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2024-11-28 02:43:09,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:43:09,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 13 [2024-11-28 02:43:09,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:09,937 INFO L225 Difference]: With dead ends: 36 [2024-11-28 02:43:09,937 INFO L226 Difference]: Without dead ends: 27 [2024-11-28 02:43:09,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:43:09,939 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 24 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:09,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 34 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:43:09,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-28 02:43:09,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2024-11-28 02:43:09,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 19 states have internal predecessors, (23), 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 02:43:09,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2024-11-28 02:43:09,946 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 13 [2024-11-28 02:43:09,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:09,946 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-11-28 02:43:09,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 02:43:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-28 02:43:09,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 02:43:09,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:09,947 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:09,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:43:09,947 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 02:43:09,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:09,948 INFO L85 PathProgramCache]: Analyzing trace with hash 345746802, now seen corresponding path program 1 times [2024-11-28 02:43:09,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:09,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267740801] [2024-11-28 02:43:09,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:09,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:10,024 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 02:43:10,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:10,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267740801] [2024-11-28 02:43:10,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267740801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:10,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:10,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:43:10,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187867403] [2024-11-28 02:43:10,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:10,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:10,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:10,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:10,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:10,026 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 02:43:10,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:10,039 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2024-11-28 02:43:10,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:10,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-28 02:43:10,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:10,040 INFO L225 Difference]: With dead ends: 29 [2024-11-28 02:43:10,041 INFO L226 Difference]: Without dead ends: 20 [2024-11-28 02:43:10,041 INFO L434 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 [2024-11-28 02:43:10,043 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:10,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:43:10,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-28 02:43:10,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2024-11-28 02:43:10,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.25) internal successors, (20), 17 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) [2024-11-28 02:43:10,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-11-28 02:43:10,051 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 13 [2024-11-28 02:43:10,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:10,051 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-28 02:43:10,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 02:43:10,052 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-28 02:43:10,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 02:43:10,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:10,052 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:10,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:43:10,053 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 02:43:10,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:10,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1843181748, now seen corresponding path program 1 times [2024-11-28 02:43:10,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:10,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145346413] [2024-11-28 02:43:10,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:10,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:10,192 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 02:43:10,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:10,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145346413] [2024-11-28 02:43:10,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145346413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:10,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:10,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:43:10,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918536017] [2024-11-28 02:43:10,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:10,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:43:10,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:10,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:43:10,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:43:10,196 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 02:43:10,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:10,345 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2024-11-28 02:43:10,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:43:10,346 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 15 [2024-11-28 02:43:10,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:10,346 INFO L225 Difference]: With dead ends: 33 [2024-11-28 02:43:10,346 INFO L226 Difference]: Without dead ends: 18 [2024-11-28 02:43:10,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:43:10,347 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 15 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:10,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 46 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:43:10,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-28 02:43:10,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-28 02:43:10,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 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 02:43:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2024-11-28 02:43:10,355 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 15 [2024-11-28 02:43:10,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:10,355 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-11-28 02:43:10,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 02:43:10,355 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-28 02:43:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 02:43:10,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:10,360 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:10,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:43:10,360 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 02:43:10,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:10,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1256375734, now seen corresponding path program 1 times [2024-11-28 02:43:10,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:10,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992353586] [2024-11-28 02:43:10,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:10,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:10,410 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 02:43:10,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:10,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992353586] [2024-11-28 02:43:10,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992353586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:10,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:10,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:10,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479053019] [2024-11-28 02:43:10,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:10,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:10,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:10,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:10,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:10,413 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 02:43:10,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:10,426 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-11-28 02:43:10,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:10,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2024-11-28 02:43:10,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:10,427 INFO L225 Difference]: With dead ends: 18 [2024-11-28 02:43:10,427 INFO L226 Difference]: Without dead ends: 17 [2024-11-28 02:43:10,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:10,428 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:10,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 16 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:43:10,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-28 02:43:10,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-28 02:43:10,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:10,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2024-11-28 02:43:10,431 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 15 [2024-11-28 02:43:10,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:10,432 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2024-11-28 02:43:10,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 02:43:10,432 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-28 02:43:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 02:43:10,434 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:10,434 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:10,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:43:10,434 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 02:43:10,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:10,435 INFO L85 PathProgramCache]: Analyzing trace with hash 292942168, now seen corresponding path program 1 times [2024-11-28 02:43:10,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:10,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397878387] [2024-11-28 02:43:10,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:10,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:10,522 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 02:43:10,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:10,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397878387] [2024-11-28 02:43:10,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397878387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:10,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:10,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:10,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956468559] [2024-11-28 02:43:10,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:10,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:10,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:10,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:10,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:10,527 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:10,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:10,549 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2024-11-28 02:43:10,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:10,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-28 02:43:10,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:10,550 INFO L225 Difference]: With dead ends: 30 [2024-11-28 02:43:10,550 INFO L226 Difference]: Without dead ends: 17 [2024-11-28 02:43:10,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:10,551 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:10,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 26 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:43:10,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-28 02:43:10,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-28 02:43:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 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 02:43:10,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-11-28 02:43:10,554 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 16 [2024-11-28 02:43:10,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:10,554 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2024-11-28 02:43:10,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-11-28 02:43:10,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 02:43:10,555 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:10,555 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:10,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:43:10,555 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 02:43:10,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:10,556 INFO L85 PathProgramCache]: Analyzing trace with hash -293863846, now seen corresponding path program 1 times [2024-11-28 02:43:10,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:10,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871799709] [2024-11-28 02:43:10,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:10,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:10,615 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 02:43:10,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:10,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871799709] [2024-11-28 02:43:10,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871799709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:10,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:10,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:10,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149436819] [2024-11-28 02:43:10,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:10,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:43:10,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:10,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:43:10,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:10,617 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:10,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:10,627 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-11-28 02:43:10,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:43:10,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-28 02:43:10,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:10,628 INFO L225 Difference]: With dead ends: 17 [2024-11-28 02:43:10,628 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:43:10,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:43:10,629 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:10,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 13 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:43:10,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:43:10,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:43:10,630 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 02:43:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:43:10,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2024-11-28 02:43:10,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:10,631 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:43:10,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:43:10,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:43:10,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:43:10,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-28 02:43:10,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-28 02:43:10,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-28 02:43:10,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-28 02:43:10,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-28 02:43:10,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-28 02:43:10,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-28 02:43:10,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-28 02:43:10,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:43:10,640 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:10,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 02:43:10,658 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:43:10,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:43:10 BoogieIcfgContainer [2024-11-28 02:43:10,670 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:43:10,671 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:43:10,671 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:43:10,671 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:43:10,672 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:08" (3/4) ... [2024-11-28 02:43:10,675 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:43:10,686 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-28 02:43:10,686 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 02:43:10,687 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 02:43:10,687 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:43:10,788 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:43:10,788 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:43:10,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:43:10,790 INFO L158 Benchmark]: Toolchain (without parser) took 3833.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.3MB in the beginning and 298.0MB in the end (delta: -205.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-28 02:43:10,791 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:10,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.07ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:43:10,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.47ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 73.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:10,792 INFO L158 Benchmark]: Boogie Preprocessor took 45.47ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:10,793 INFO L158 Benchmark]: RCFGBuilder took 564.43ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 58.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:43:10,793 INFO L158 Benchmark]: TraceAbstraction took 2541.49ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.5MB in the beginning and 303.2MB in the end (delta: -245.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:10,793 INFO L158 Benchmark]: Witness Printer took 117.90ms. Allocated memory is still 352.3MB. Free memory was 303.2MB in the beginning and 298.0MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:43:10,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.07ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.47ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 73.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.47ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 564.43ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 58.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2541.49ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.5MB in the beginning and 303.2MB in the end (delta: -245.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 117.90ms. Allocated memory is still 352.3MB. Free memory was 303.2MB in the beginning and 298.0MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 322 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 159 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 264 IncrementalHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 163 mSDtfsCounter, 264 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 30 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:43:10,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7e697-10d1-4532-b346-e8c4e2e3c86a/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