./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC --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 c74089cb1276a80d86ccdf7292036e5e9dc0e046735c4aaabb58f508c0eddb38 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:54:06,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:54:06,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-24 01:54:06,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:54:06,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:54:06,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:54:06,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:54:06,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:54:06,157 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:54:06,157 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:54:06,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:54:06,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:54:06,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:54:06,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:54:06,159 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:54:06,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:54:06,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:54:06,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:54:06,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:54:06,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:54:06,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:54:06,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:54:06,161 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 01:54:06,161 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:54:06,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:54:06,161 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:54:06,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:54:06,162 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:54:06,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:54:06,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:54:06,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:54:06,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:54:06,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:54:06,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:54:06,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:54:06,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:54:06,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:54:06,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:54:06,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:54:06,164 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:54:06,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:54:06,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:54:06,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:54:06,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:54:06,164 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:54:06,164 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:54:06,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:54:06,165 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_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC 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 -> c74089cb1276a80d86ccdf7292036e5e9dc0e046735c4aaabb58f508c0eddb38 [2024-11-24 01:54:06,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:54:06,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:54:06,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:54:06,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:54:06,483 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:54:06,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_22_good.i [2024-11-24 01:54:09,444 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/data/06477790e/b3d5e2f2b5334541b759fdaf45678cdb/FLAG3f24ddb6e [2024-11-24 01:54:09,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:54:09,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_22_good.i [2024-11-24 01:54:09,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/data/06477790e/b3d5e2f2b5334541b759fdaf45678cdb/FLAG3f24ddb6e [2024-11-24 01:54:10,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/data/06477790e/b3d5e2f2b5334541b759fdaf45678cdb [2024-11-24 01:54:10,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:54:10,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:54:10,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:54:10,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:54:10,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:54:10,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:54:10" (1/1) ... [2024-11-24 01:54:10,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d4d4570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:10, skipping insertion in model container [2024-11-24 01:54:10,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:54:10" (1/1) ... [2024-11-24 01:54:10,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:54:10,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:54:10,966 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:54:11,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:54:11,210 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:54:11,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11 WrapperNode [2024-11-24 01:54:11,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:54:11,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:54:11,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:54:11,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:54:11,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,266 INFO L138 Inliner]: procedures = 503, calls = 37, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 198 [2024-11-24 01:54:11,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:54:11,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:54:11,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:54:11,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:54:11,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,297 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-24 01:54:11,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,303 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:54:11,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:54:11,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:54:11,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:54:11,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (1/1) ... [2024-11-24 01:54:11,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:54:11,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:54:11,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:54:11,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:54:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-24 01:54:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-24 01:54:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 01:54:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 01:54:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:54:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:54:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:54:11,583 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:54:11,585 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:54:12,039 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-11-24 01:54:12,039 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:54:12,055 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:54:12,055 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:54:12,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:54:12 BoogieIcfgContainer [2024-11-24 01:54:12,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:54:12,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:54:12,059 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:54:12,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:54:12,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:54:10" (1/3) ... [2024-11-24 01:54:12,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b2a858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:54:12, skipping insertion in model container [2024-11-24 01:54:12,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:54:11" (2/3) ... [2024-11-24 01:54:12,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b2a858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:54:12, skipping insertion in model container [2024-11-24 01:54:12,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:54:12" (3/3) ... [2024-11-24 01:54:12,069 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_22_good.i [2024-11-24 01:54:12,083 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:54:12,086 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_preinc_22_good.i that has 3 procedures, 93 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2024-11-24 01:54:12,160 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:54:12,176 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;@1bbc5435, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:54:12,176 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-24 01:54:12,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 76 states have (on average 1.5) internal successors, (114), 85 states have internal predecessors, (114), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-24 01:54:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 01:54:12,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:54:12,190 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:54:12,191 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:54:12,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:54:12,197 INFO L85 PathProgramCache]: Analyzing trace with hash -885044320, now seen corresponding path program 1 times [2024-11-24 01:54:12,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:54:12,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18301179] [2024-11-24 01:54:12,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:54:12,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:54:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:54:12,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:54:12,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:54:12,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18301179] [2024-11-24 01:54:12,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18301179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:54:12,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:54:12,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:54:12,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447588307] [2024-11-24 01:54:12,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:54:12,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:54:12,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:54:12,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:54:12,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:54:12,713 INFO L87 Difference]: Start difference. First operand has 93 states, 76 states have (on average 1.5) internal successors, (114), 85 states have internal predecessors, (114), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:54:12,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:54:12,772 INFO L93 Difference]: Finished difference Result 94 states and 131 transitions. [2024-11-24 01:54:12,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:54:12,780 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-24 01:54:12,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:54:12,790 INFO L225 Difference]: With dead ends: 94 [2024-11-24 01:54:12,790 INFO L226 Difference]: Without dead ends: 83 [2024-11-24 01:54:12,792 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 [2024-11-24 01:54:12,796 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 2 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:54:12,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 244 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:54:12,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-24 01:54:12,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 82. [2024-11-24 01:54:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 76 states have internal predecessors, (104), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-24 01:54:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 116 transitions. [2024-11-24 01:54:12,844 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 116 transitions. Word has length 17 [2024-11-24 01:54:12,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:54:12,847 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 116 transitions. [2024-11-24 01:54:12,847 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:54:12,848 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2024-11-24 01:54:12,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 01:54:12,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:54:12,851 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:54:12,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:54:12,852 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:54:12,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:54:12,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1666570008, now seen corresponding path program 1 times [2024-11-24 01:54:12,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:54:12,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577706460] [2024-11-24 01:54:12,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:54:12,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:54:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:54:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:54:12,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:54:12,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577706460] [2024-11-24 01:54:12,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577706460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:54:12,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:54:12,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:54:12,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539657942] [2024-11-24 01:54:12,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:54:12,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:54:12,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:54:12,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:54:12,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:54:12,975 INFO L87 Difference]: Start difference. First operand 82 states and 116 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:54:13,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:54:13,005 INFO L93 Difference]: Finished difference Result 82 states and 116 transitions. [2024-11-24 01:54:13,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:54:13,006 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-24 01:54:13,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:54:13,009 INFO L225 Difference]: With dead ends: 82 [2024-11-24 01:54:13,010 INFO L226 Difference]: Without dead ends: 81 [2024-11-24 01:54:13,011 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 [2024-11-24 01:54:13,012 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:54:13,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 222 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:54:13,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-24 01:54:13,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-24 01:54:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 69 states have (on average 1.4927536231884058) internal successors, (103), 75 states have internal predecessors, (103), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-24 01:54:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2024-11-24 01:54:13,032 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 18 [2024-11-24 01:54:13,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:54:13,033 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2024-11-24 01:54:13,033 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:54:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2024-11-24 01:54:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 01:54:13,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:54:13,036 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:54:13,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:54:13,037 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:54:13,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:54:13,037 INFO L85 PathProgramCache]: Analyzing trace with hash -343019341, now seen corresponding path program 1 times [2024-11-24 01:54:13,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:54:13,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565625143] [2024-11-24 01:54:13,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:54:13,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:54:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:54:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 01:54:13,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:54:13,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565625143] [2024-11-24 01:54:13,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565625143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:54:13,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:54:13,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:54:13,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671645411] [2024-11-24 01:54:13,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:54:13,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:54:13,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:54:13,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:54:13,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:54:13,173 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 01:54:13,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:54:13,198 INFO L93 Difference]: Finished difference Result 128 states and 177 transitions. [2024-11-24 01:54:13,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:54:13,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2024-11-24 01:54:13,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:54:13,200 INFO L225 Difference]: With dead ends: 128 [2024-11-24 01:54:13,200 INFO L226 Difference]: Without dead ends: 80 [2024-11-24 01:54:13,200 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 [2024-11-24 01:54:13,201 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 110 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:54:13,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 111 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:54:13,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-24 01:54:13,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-24 01:54:13,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 74 states have internal predecessors, (102), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:54:13,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 112 transitions. [2024-11-24 01:54:13,218 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 112 transitions. Word has length 31 [2024-11-24 01:54:13,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:54:13,219 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 112 transitions. [2024-11-24 01:54:13,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 01:54:13,219 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2024-11-24 01:54:13,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-24 01:54:13,220 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:54:13,220 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:54:13,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:54:13,221 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:54:13,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:54:13,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1365767870, now seen corresponding path program 1 times [2024-11-24 01:54:13,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:54:13,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969645724] [2024-11-24 01:54:13,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:54:13,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:54:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:54:13,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 01:54:13,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:54:13,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969645724] [2024-11-24 01:54:13,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969645724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:54:13,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:54:13,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:54:13,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340624675] [2024-11-24 01:54:13,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:54:13,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:54:13,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:54:13,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:54:13,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:54:13,493 INFO L87 Difference]: Start difference. First operand 80 states and 112 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 01:54:13,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:54:13,519 INFO L93 Difference]: Finished difference Result 81 states and 113 transitions. [2024-11-24 01:54:13,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:54:13,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-24 01:54:13,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:54:13,521 INFO L225 Difference]: With dead ends: 81 [2024-11-24 01:54:13,521 INFO L226 Difference]: Without dead ends: 80 [2024-11-24 01:54:13,521 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 [2024-11-24 01:54:13,522 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 2 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 208 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 [2024-11-24 01:54:13,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 208 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:54:13,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-24 01:54:13,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2024-11-24 01:54:13,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 69 states have (on average 1.463768115942029) internal successors, (101), 73 states have internal predecessors, (101), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:54:13,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2024-11-24 01:54:13,542 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 32 [2024-11-24 01:54:13,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:54:13,542 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2024-11-24 01:54:13,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 01:54:13,543 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2024-11-24 01:54:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-24 01:54:13,544 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:54:13,544 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:54:13,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:54:13,545 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:54:13,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:54:13,546 INFO L85 PathProgramCache]: Analyzing trace with hash -610868756, now seen corresponding path program 1 times [2024-11-24 01:54:13,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:54:13,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412087369] [2024-11-24 01:54:13,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:54:13,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:54:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:54:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 01:54:13,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:54:13,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412087369] [2024-11-24 01:54:13,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412087369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:54:13,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:54:13,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:54:13,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485042418] [2024-11-24 01:54:13,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:54:13,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:54:13,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:54:13,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:54:13,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:54:13,640 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 01:54:13,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:54:13,671 INFO L93 Difference]: Finished difference Result 79 states and 111 transitions. [2024-11-24 01:54:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:54:13,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-24 01:54:13,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:54:13,673 INFO L225 Difference]: With dead ends: 79 [2024-11-24 01:54:13,673 INFO L226 Difference]: Without dead ends: 78 [2024-11-24 01:54:13,673 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 [2024-11-24 01:54:13,674 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:54:13,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 212 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:54:13,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-24 01:54:13,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-24 01:54:13,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 72 states have internal predecessors, (100), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:54:13,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2024-11-24 01:54:13,690 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 33 [2024-11-24 01:54:13,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:54:13,692 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2024-11-24 01:54:13,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 01:54:13,693 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2024-11-24 01:54:13,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 01:54:13,694 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:54:13,694 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:54:13,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:54:13,695 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:54:13,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:54:13,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1742778193, now seen corresponding path program 1 times [2024-11-24 01:54:13,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:54:13,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924377367] [2024-11-24 01:54:13,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:54:13,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:54:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:54:13,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 01:54:13,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:54:13,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924377367] [2024-11-24 01:54:13,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924377367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:54:13,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989407582] [2024-11-24 01:54:13,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:54:13,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:54:13,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:54:13,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:54:13,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:54:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:54:14,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:54:14,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:54:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 01:54:14,120 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:54:14,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989407582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:54:14,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:54:14,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-24 01:54:14,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343304281] [2024-11-24 01:54:14,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:54:14,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:54:14,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:54:14,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:54:14,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:54:14,125 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 01:54:14,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:54:14,141 INFO L93 Difference]: Finished difference Result 92 states and 122 transitions. [2024-11-24 01:54:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:54:14,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-24 01:54:14,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:54:14,144 INFO L225 Difference]: With dead ends: 92 [2024-11-24 01:54:14,144 INFO L226 Difference]: Without dead ends: 85 [2024-11-24 01:54:14,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:54:14,148 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 22 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:54:14,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 205 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:54:14,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-24 01:54:14,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-24 01:54:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 74 states have (on average 1.4189189189189189) internal successors, (105), 77 states have internal predecessors, (105), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:54:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2024-11-24 01:54:14,166 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 34 [2024-11-24 01:54:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:54:14,166 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2024-11-24 01:54:14,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 01:54:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2024-11-24 01:54:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 01:54:14,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:54:14,168 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:54:14,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:54:14,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:54:14,369 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-24 01:54:14,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:54:14,369 INFO L85 PathProgramCache]: Analyzing trace with hash -272051809, now seen corresponding path program 1 times [2024-11-24 01:54:14,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:54:14,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505569125] [2024-11-24 01:54:14,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:54:14,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:54:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:54:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 01:54:14,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:54:14,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505569125] [2024-11-24 01:54:14,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505569125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:54:14,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:54:14,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:54:14,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695541789] [2024-11-24 01:54:14,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:54:14,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:54:14,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:54:14,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:54:14,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:54:14,520 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 01:54:14,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:54:14,535 INFO L93 Difference]: Finished difference Result 85 states and 115 transitions. [2024-11-24 01:54:14,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:54:14,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2024-11-24 01:54:14,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:54:14,536 INFO L225 Difference]: With dead ends: 85 [2024-11-24 01:54:14,536 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:54:14,537 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 [2024-11-24 01:54:14,537 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:54:14,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 210 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:54:14,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:54:14,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:54:14,541 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) [2024-11-24 01:54:14,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:54:14,542 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2024-11-24 01:54:14,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:54:14,543 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:54:14,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 01:54:14,543 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:54:14,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:54:14,546 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-24 01:54:14,547 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-24 01:54:14,547 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-24 01:54:14,547 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-24 01:54:14,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-24 01:54:14,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-24 01:54:14,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:54:14,551 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:54:14,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:54:14,614 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:54:14,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:54:14 BoogieIcfgContainer [2024-11-24 01:54:14,628 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:54:14,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:54:14,629 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:54:14,629 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:54:14,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:54:12" (3/4) ... [2024-11-24 01:54:14,633 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:54:14,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-24 01:54:14,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-24 01:54:14,648 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-24 01:54:14,649 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-24 01:54:14,650 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:54:14,650 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:54:14,767 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:54:14,767 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:54:14,767 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:54:14,769 INFO L158 Benchmark]: Toolchain (without parser) took 4752.01ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 89.7MB in the beginning and 182.1MB in the end (delta: -92.4MB). Peak memory consumption was 143.1MB. Max. memory is 16.1GB. [2024-11-24 01:54:14,769 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:54:14,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1193.87ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 80.1MB in the end (delta: 9.2MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2024-11-24 01:54:14,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.65ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 76.8MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:54:14,770 INFO L158 Benchmark]: Boogie Preprocessor took 50.60ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:54:14,771 INFO L158 Benchmark]: RCFGBuilder took 736.95ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 52.8MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:54:14,771 INFO L158 Benchmark]: TraceAbstraction took 2569.04ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.2MB in the beginning and 189.1MB in the end (delta: -136.9MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2024-11-24 01:54:14,771 INFO L158 Benchmark]: Witness Printer took 138.88ms. Allocated memory is still 352.3MB. Free memory was 189.1MB in the beginning and 182.1MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:54:14,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1193.87ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 80.1MB in the end (delta: 9.2MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.65ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 76.8MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.60ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 736.95ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 52.8MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2569.04ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.2MB in the beginning and 189.1MB in the end (delta: -136.9MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. * Witness Printer took 138.88ms. Allocated memory is still 352.3MB. Free memory was 189.1MB in the beginning and 182.1MB in the end (delta: 7.0MB). 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: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: 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 3 procedures, 93 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 1412 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 629 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 783 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 7 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 160 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 29/32 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 01:54:14,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5010dbf-02a3-4abf-aaf4-53c815529082/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE