./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32bit --witnessprinter.graph.data.programhash eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:05:28,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:05:28,215 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:05:28,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:05:28,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:05:28,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:05:28,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:05:28,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:05:28,246 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:05:28,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:05:28,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:05:28,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:05:28,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:05:28,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:05:28,252 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:05:28,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:05:28,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:05:28,253 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:05:28,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:05:28,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:05:28,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:05:28,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:05:28,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:05:28,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:05:28,255 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:05:28,255 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:05:28,255 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:05:28,255 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:05:28,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:05:28,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:05:28,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:05:28,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:05:28,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:05:28,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:05:28,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:05:28,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:05:28,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:05:28,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:05:28,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:05:28,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:05:28,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:05:28,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:05:28,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:05:28,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:05:28,260 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 [2024-10-24 23:05:28,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:05:28,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:05:28,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:05:28,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:05:28,564 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:05:28,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2024-10-24 23:05:29,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:05:30,151 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:05:30,152 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2024-10-24 23:05:30,170 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02dd32482/edd6a3343d30471f94571b6b6e08cdd3/FLAGfd1e3d5c3 [2024-10-24 23:05:30,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02dd32482/edd6a3343d30471f94571b6b6e08cdd3 [2024-10-24 23:05:30,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:05:30,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:05:30,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:05:30,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:05:30,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:05:30,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:05:30" (1/1) ... [2024-10-24 23:05:30,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed33fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:30, skipping insertion in model container [2024-10-24 23:05:30,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:05:30" (1/1) ... [2024-10-24 23:05:30,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:05:31,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:05:31,028 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:05:31,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:05:31,176 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:05:31,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31 WrapperNode [2024-10-24 23:05:31,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:05:31,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:05:31,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:05:31,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:05:31,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (1/1) ... [2024-10-24 23:05:31,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (1/1) ... [2024-10-24 23:05:31,285 INFO L138 Inliner]: procedures = 177, calls = 279, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1463 [2024-10-24 23:05:31,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:05:31,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:05:31,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:05:31,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:05:31,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (1/1) ... [2024-10-24 23:05:31,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (1/1) ... [2024-10-24 23:05:31,323 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (1/1) ... [2024-10-24 23:05:31,408 INFO L175 MemorySlicer]: Split 255 memory accesses to 3 slices as follows [2, 34, 219]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-10-24 23:05:31,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (1/1) ... [2024-10-24 23:05:31,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (1/1) ... [2024-10-24 23:05:31,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (1/1) ... [2024-10-24 23:05:31,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (1/1) ... [2024-10-24 23:05:31,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (1/1) ... [2024-10-24 23:05:31,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (1/1) ... [2024-10-24 23:05:31,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:05:31,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:05:31,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:05:31,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:05:31,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (1/1) ... [2024-10-24 23:05:31,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:05:31,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:05:31,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 23:05:31,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 23:05:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-24 23:05:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-24 23:05:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:05:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 23:05:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 23:05:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 23:05:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 23:05:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:05:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 23:05:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 23:05:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 23:05:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 23:05:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 23:05:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 23:05:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 23:05:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 23:05:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 23:05:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:05:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 23:05:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 23:05:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 23:05:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 23:05:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 23:05:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 23:05:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 23:05:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:05:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:05:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 23:05:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 23:05:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:05:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:05:31,809 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:05:31,811 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:05:33,319 INFO L? ?]: Removed 333 outVars from TransFormulas that were not future-live. [2024-10-24 23:05:33,319 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:05:33,365 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:05:33,368 INFO L314 CfgBuilder]: Removed 63 assume(true) statements. [2024-10-24 23:05:33,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:05:33 BoogieIcfgContainer [2024-10-24 23:05:33,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:05:33,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:05:33,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:05:33,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:05:33,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:05:30" (1/3) ... [2024-10-24 23:05:33,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f54ad2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:05:33, skipping insertion in model container [2024-10-24 23:05:33,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:31" (2/3) ... [2024-10-24 23:05:33,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f54ad2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:05:33, skipping insertion in model container [2024-10-24 23:05:33,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:05:33" (3/3) ... [2024-10-24 23:05:33,376 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-1.i [2024-10-24 23:05:33,391 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:05:33,391 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-24 23:05:33,464 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:05:33,469 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;@59367994, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:05:33,469 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-24 23:05:33,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 423 states, 401 states have (on average 1.6384039900249376) internal successors, (657), 416 states have internal predecessors, (657), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 23:05:33,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 23:05:33,478 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:33,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 23:05:33,479 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)] === [2024-10-24 23:05:33,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:33,483 INFO L85 PathProgramCache]: Analyzing trace with hash -171478850, now seen corresponding path program 1 times [2024-10-24 23:05:33,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:33,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340744065] [2024-10-24 23:05:33,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:33,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:33,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:05:33,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:33,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340744065] [2024-10-24 23:05:33,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340744065] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:33,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:05:33,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:05:33,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620206905] [2024-10-24 23:05:33,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:33,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 23:05:33,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:33,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 23:05:33,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:05:33,707 INFO L87 Difference]: Start difference. First operand has 423 states, 401 states have (on average 1.6384039900249376) internal successors, (657), 416 states have internal predecessors, (657), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-24 23:05:33,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:33,779 INFO L93 Difference]: Finished difference Result 843 states and 1357 transitions. [2024-10-24 23:05:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 23:05:33,783 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-10-24 23:05:33,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:33,798 INFO L225 Difference]: With dead ends: 843 [2024-10-24 23:05:33,799 INFO L226 Difference]: Without dead ends: 416 [2024-10-24 23:05:33,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:05:33,808 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 601 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 [2024-10-24 23:05:33,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 601 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:05:33,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-10-24 23:05:33,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2024-10-24 23:05:33,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 398 states have (on average 1.464824120603015) internal successors, (583), 410 states have internal predecessors, (583), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 23:05:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 599 transitions. [2024-10-24 23:05:33,883 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 599 transitions. Word has length 6 [2024-10-24 23:05:33,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:33,884 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 599 transitions. [2024-10-24 23:05:33,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-24 23:05:33,885 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 599 transitions. [2024-10-24 23:05:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 23:05:33,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:33,886 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 23:05:33,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:05:33,886 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)] === [2024-10-24 23:05:33,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:33,887 INFO L85 PathProgramCache]: Analyzing trace with hash -171476928, now seen corresponding path program 1 times [2024-10-24 23:05:33,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:33,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881185576] [2024-10-24 23:05:33,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:33,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 23:05:33,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033193717] [2024-10-24 23:05:33,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:33,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:05:33,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:05:33,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:05:33,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 23:05:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:34,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 23:05:34,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:05:34,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:05:34,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:05:34,195 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:05:34,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:34,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881185576] [2024-10-24 23:05:34,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 23:05:34,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033193717] [2024-10-24 23:05:34,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033193717] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:34,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:05:34,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:05:34,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398721793] [2024-10-24 23:05:34,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:34,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:05:34,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:34,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:05:34,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:05:34,201 INFO L87 Difference]: Start difference. First operand 416 states and 599 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-24 23:05:34,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:34,379 INFO L93 Difference]: Finished difference Result 824 states and 1191 transitions. [2024-10-24 23:05:34,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:05:34,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-10-24 23:05:34,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:34,387 INFO L225 Difference]: With dead ends: 824 [2024-10-24 23:05:34,388 INFO L226 Difference]: Without dead ends: 823 [2024-10-24 23:05:34,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:05:34,389 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 570 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:34,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1714 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:05:34,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-10-24 23:05:34,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 421. [2024-10-24 23:05:34,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 403 states have (on average 1.4615384615384615) internal successors, (589), 415 states have internal predecessors, (589), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 23:05:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 605 transitions. [2024-10-24 23:05:34,416 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 605 transitions. Word has length 6 [2024-10-24 23:05:34,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:34,417 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 605 transitions. [2024-10-24 23:05:34,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-24 23:05:34,417 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 605 transitions. [2024-10-24 23:05:34,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 23:05:34,418 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:34,418 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:34,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 23:05:34,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:05:34,623 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)] === [2024-10-24 23:05:34,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:34,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1020817389, now seen corresponding path program 1 times [2024-10-24 23:05:34,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:34,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146238750] [2024-10-24 23:05:34,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:34,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 23:05:34,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1808163892] [2024-10-24 23:05:34,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:34,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:05:34,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:05:34,667 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:05:34,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 23:05:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:34,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 23:05:34,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:05:34,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:05:34,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:05:34,858 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:05:34,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:34,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146238750] [2024-10-24 23:05:34,861 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 23:05:34,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808163892] [2024-10-24 23:05:34,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808163892] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:34,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:05:34,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:05:34,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294057685] [2024-10-24 23:05:34,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:34,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:05:34,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:34,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:05:34,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:05:34,864 INFO L87 Difference]: Start difference. First operand 421 states and 605 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-24 23:05:35,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:35,004 INFO L93 Difference]: Finished difference Result 823 states and 1190 transitions. [2024-10-24 23:05:35,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:05:35,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-10-24 23:05:35,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:35,010 INFO L225 Difference]: With dead ends: 823 [2024-10-24 23:05:35,010 INFO L226 Difference]: Without dead ends: 822 [2024-10-24 23:05:35,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:05:35,012 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 568 mSDsluCounter, 1139 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:35,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 1713 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:05:35,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-10-24 23:05:35,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 422. [2024-10-24 23:05:35,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 404 states have (on average 1.4603960396039604) internal successors, (590), 416 states have internal predecessors, (590), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 23:05:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 606 transitions. [2024-10-24 23:05:35,036 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 606 transitions. Word has length 7 [2024-10-24 23:05:35,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:35,037 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 606 transitions. [2024-10-24 23:05:35,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-24 23:05:35,037 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 606 transitions. [2024-10-24 23:05:35,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-24 23:05:35,038 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:35,038 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:35,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 23:05:35,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-24 23:05:35,240 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:35,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:35,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1127411853, now seen corresponding path program 1 times [2024-10-24 23:05:35,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:35,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534424185] [2024-10-24 23:05:35,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:35,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:35,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:05:35,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:35,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534424185] [2024-10-24 23:05:35,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534424185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:35,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:05:35,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:05:35,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116121663] [2024-10-24 23:05:35,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:35,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:05:35,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:35,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:05:35,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:05:35,374 INFO L87 Difference]: Start difference. First operand 422 states and 606 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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) [2024-10-24 23:05:35,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:35,495 INFO L93 Difference]: Finished difference Result 1030 states and 1492 transitions. [2024-10-24 23:05:35,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:05:35,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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 [2024-10-24 23:05:35,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:35,500 INFO L225 Difference]: With dead ends: 1030 [2024-10-24 23:05:35,500 INFO L226 Difference]: Without dead ends: 821 [2024-10-24 23:05:35,501 INFO L431 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 [2024-10-24 23:05:35,503 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 570 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:35,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1808 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:05:35,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-10-24 23:05:35,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 422. [2024-10-24 23:05:35,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 404 states have (on average 1.4579207920792079) internal successors, (589), 416 states have internal predecessors, (589), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 23:05:35,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 605 transitions. [2024-10-24 23:05:35,518 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 605 transitions. Word has length 9 [2024-10-24 23:05:35,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:35,518 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 605 transitions. [2024-10-24 23:05:35,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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) [2024-10-24 23:05:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 605 transitions. [2024-10-24 23:05:35,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 23:05:35,521 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:35,521 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:35,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:05:35,522 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:35,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:35,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1952387620, now seen corresponding path program 1 times [2024-10-24 23:05:35,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:35,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542010503] [2024-10-24 23:05:35,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:35,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:05:35,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:35,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542010503] [2024-10-24 23:05:35,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542010503] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:35,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:05:35,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:05:35,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98229017] [2024-10-24 23:05:35,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:35,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:05:35,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:35,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:05:35,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:05:35,932 INFO L87 Difference]: Start difference. First operand 422 states and 605 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2024-10-24 23:05:36,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:36,014 INFO L93 Difference]: Finished difference Result 795 states and 1137 transitions. [2024-10-24 23:05:36,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:05:36,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 80 [2024-10-24 23:05:36,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:36,020 INFO L225 Difference]: With dead ends: 795 [2024-10-24 23:05:36,020 INFO L226 Difference]: Without dead ends: 380 [2024-10-24 23:05:36,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:05:36,022 INFO L432 NwaCegarLoop]: 493 mSDtfsCounter, 27 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:36,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1463 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:05:36,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-10-24 23:05:36,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-10-24 23:05:36,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 362 states have (on average 1.4143646408839778) internal successors, (512), 374 states have internal predecessors, (512), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 23:05:36,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 528 transitions. [2024-10-24 23:05:36,032 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 528 transitions. Word has length 80 [2024-10-24 23:05:36,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:36,032 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 528 transitions. [2024-10-24 23:05:36,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2024-10-24 23:05:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 528 transitions. [2024-10-24 23:05:36,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 23:05:36,035 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:36,035 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:36,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 23:05:36,036 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:36,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:36,037 INFO L85 PathProgramCache]: Analyzing trace with hash 555914126, now seen corresponding path program 1 times [2024-10-24 23:05:36,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:36,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270029575] [2024-10-24 23:05:36,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:36,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:05:36,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:36,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270029575] [2024-10-24 23:05:36,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270029575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:36,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:05:36,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:05:36,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287862246] [2024-10-24 23:05:36,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:36,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:05:36,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:36,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:05:36,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:05:36,239 INFO L87 Difference]: Start difference. First operand 380 states and 528 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-10-24 23:05:36,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:36,285 INFO L93 Difference]: Finished difference Result 753 states and 1049 transitions. [2024-10-24 23:05:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:05:36,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2024-10-24 23:05:36,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:36,287 INFO L225 Difference]: With dead ends: 753 [2024-10-24 23:05:36,287 INFO L226 Difference]: Without dead ends: 380 [2024-10-24 23:05:36,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:05:36,289 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 1 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:36,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 993 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:05:36,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-10-24 23:05:36,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-10-24 23:05:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 362 states have (on average 1.4060773480662982) internal successors, (509), 374 states have internal predecessors, (509), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 23:05:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 525 transitions. [2024-10-24 23:05:36,297 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 525 transitions. Word has length 80 [2024-10-24 23:05:36,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:36,297 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 525 transitions. [2024-10-24 23:05:36,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-10-24 23:05:36,298 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 525 transitions. [2024-10-24 23:05:36,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 23:05:36,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:36,299 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:36,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 23:05:36,299 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:36,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:36,300 INFO L85 PathProgramCache]: Analyzing trace with hash -902167662, now seen corresponding path program 1 times [2024-10-24 23:05:36,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:36,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720633546] [2024-10-24 23:05:36,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:36,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:05:36,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:36,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720633546] [2024-10-24 23:05:36,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720633546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:36,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:05:36,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:05:36,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641997269] [2024-10-24 23:05:36,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:36,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:05:36,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:36,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:05:36,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:05:36,469 INFO L87 Difference]: Start difference. First operand 380 states and 525 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2024-10-24 23:05:36,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:36,577 INFO L93 Difference]: Finished difference Result 1004 states and 1401 transitions. [2024-10-24 23:05:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:05:36,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 80 [2024-10-24 23:05:36,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:36,580 INFO L225 Difference]: With dead ends: 1004 [2024-10-24 23:05:36,580 INFO L226 Difference]: Without dead ends: 631 [2024-10-24 23:05:36,581 INFO L431 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 [2024-10-24 23:05:36,582 INFO L432 NwaCegarLoop]: 699 mSDtfsCounter, 297 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:36,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1189 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:05:36,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-10-24 23:05:36,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 627. [2024-10-24 23:05:36,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 609 states have (on average 1.4170771756978653) internal successors, (863), 621 states have internal predecessors, (863), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 23:05:36,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 879 transitions. [2024-10-24 23:05:36,595 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 879 transitions. Word has length 80 [2024-10-24 23:05:36,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:36,595 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 879 transitions. [2024-10-24 23:05:36,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2024-10-24 23:05:36,596 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 879 transitions. [2024-10-24 23:05:36,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 23:05:36,597 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:36,597 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:36,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 23:05:36,598 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:36,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:36,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1253973991, now seen corresponding path program 1 times [2024-10-24 23:05:36,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:36,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826055774] [2024-10-24 23:05:36,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:36,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:36,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 23:05:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:36,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 23:05:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:36,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:05:36,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:36,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826055774] [2024-10-24 23:05:36,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826055774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:36,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:05:36,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:05:36,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343859098] [2024-10-24 23:05:36,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:36,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:05:36,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:36,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:05:36,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:05:36,953 INFO L87 Difference]: Start difference. First operand 627 states and 879 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2024-10-24 23:05:37,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:37,297 INFO L93 Difference]: Finished difference Result 932 states and 1318 transitions. [2024-10-24 23:05:37,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:05:37,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 93 [2024-10-24 23:05:37,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:37,301 INFO L225 Difference]: With dead ends: 932 [2024-10-24 23:05:37,301 INFO L226 Difference]: Without dead ends: 930 [2024-10-24 23:05:37,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:05:37,302 INFO L432 NwaCegarLoop]: 491 mSDtfsCounter, 406 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:37,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 1853 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 23:05:37,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-10-24 23:05:37,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 691. [2024-10-24 23:05:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 670 states have (on average 1.4044776119402984) internal successors, (941), 682 states have internal predecessors, (941), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 23:05:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 963 transitions. [2024-10-24 23:05:37,320 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 963 transitions. Word has length 93 [2024-10-24 23:05:37,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:37,320 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 963 transitions. [2024-10-24 23:05:37,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2024-10-24 23:05:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 963 transitions. [2024-10-24 23:05:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 23:05:37,321 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:37,322 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:37,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 23:05:37,322 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:37,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:37,323 INFO L85 PathProgramCache]: Analyzing trace with hash -857300282, now seen corresponding path program 1 times [2024-10-24 23:05:37,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:37,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782335066] [2024-10-24 23:05:37,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:37,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:37,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 23:05:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:37,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 23:05:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 23:05:37,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:37,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782335066] [2024-10-24 23:05:37,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782335066] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:05:37,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229110784] [2024-10-24 23:05:37,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:37,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:05:37,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:05:37,820 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:05:37,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 23:05:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:38,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-24 23:05:38,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:05:38,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:05:38,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:05:38,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-24 23:05:38,652 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 23:05:38,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41 [2024-10-24 23:05:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:05:38,904 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:05:38,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229110784] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:38,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:05:38,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-24 23:05:38,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114147311] [2024-10-24 23:05:38,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:38,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:05:38,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:38,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:05:38,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-24 23:05:38,906 INFO L87 Difference]: Start difference. First operand 691 states and 963 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 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) [2024-10-24 23:05:40,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:40,524 INFO L93 Difference]: Finished difference Result 1576 states and 2224 transitions. [2024-10-24 23:05:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:05:40,525 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 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 99 [2024-10-24 23:05:40,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:40,528 INFO L225 Difference]: With dead ends: 1576 [2024-10-24 23:05:40,529 INFO L226 Difference]: Without dead ends: 930 [2024-10-24 23:05:40,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-10-24 23:05:40,530 INFO L432 NwaCegarLoop]: 482 mSDtfsCounter, 608 mSDsluCounter, 2495 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 2977 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:40,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 2977 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 23:05:40,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-10-24 23:05:40,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 691. [2024-10-24 23:05:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 670 states have (on average 1.4029850746268657) internal successors, (940), 682 states have internal predecessors, (940), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 23:05:40,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 962 transitions. [2024-10-24 23:05:40,549 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 962 transitions. Word has length 99 [2024-10-24 23:05:40,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:40,549 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 962 transitions. [2024-10-24 23:05:40,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 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) [2024-10-24 23:05:40,549 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 962 transitions. [2024-10-24 23:05:40,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 23:05:40,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:40,550 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:40,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 23:05:40,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:05:40,755 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:40,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:40,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1898782129, now seen corresponding path program 1 times [2024-10-24 23:05:40,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:40,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976908839] [2024-10-24 23:05:40,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:40,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:41,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 23:05:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:41,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:05:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:41,102 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 23:05:41,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:41,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976908839] [2024-10-24 23:05:41,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976908839] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:05:41,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446168379] [2024-10-24 23:05:41,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:41,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:05:41,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:05:41,104 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:05:41,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 23:05:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:41,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 23:05:41,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:05:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:05:41,714 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:05:41,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446168379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:41,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:05:41,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-24 23:05:41,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277393615] [2024-10-24 23:05:41,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:41,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 23:05:41,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:41,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 23:05:41,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:05:41,716 INFO L87 Difference]: Start difference. First operand 691 states and 962 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 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) [2024-10-24 23:05:42,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:42,054 INFO L93 Difference]: Finished difference Result 1347 states and 1892 transitions. [2024-10-24 23:05:42,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 23:05:42,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 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 100 [2024-10-24 23:05:42,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:42,057 INFO L225 Difference]: With dead ends: 1347 [2024-10-24 23:05:42,057 INFO L226 Difference]: Without dead ends: 701 [2024-10-24 23:05:42,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:05:42,059 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 15 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2637 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:42,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2637 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 23:05:42,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-10-24 23:05:42,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 699. [2024-10-24 23:05:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 678 states have (on average 1.3982300884955752) internal successors, (948), 690 states have internal predecessors, (948), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 23:05:42,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 970 transitions. [2024-10-24 23:05:42,075 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 970 transitions. Word has length 100 [2024-10-24 23:05:42,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:42,075 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 970 transitions. [2024-10-24 23:05:42,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 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) [2024-10-24 23:05:42,076 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 970 transitions. [2024-10-24 23:05:42,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-24 23:05:42,077 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:42,077 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:42,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 23:05:42,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:05:42,282 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:42,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:42,283 INFO L85 PathProgramCache]: Analyzing trace with hash 671602268, now seen corresponding path program 1 times [2024-10-24 23:05:42,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:42,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495056648] [2024-10-24 23:05:42,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:42,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:42,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 23:05:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:42,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 23:05:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:42,668 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:05:42,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:42,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495056648] [2024-10-24 23:05:42,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495056648] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:42,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:05:42,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 23:05:42,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280208221] [2024-10-24 23:05:42,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:42,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 23:05:42,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:42,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 23:05:42,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 23:05:42,671 INFO L87 Difference]: Start difference. First operand 699 states and 970 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 6 states have internal predecessors, (96), 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) [2024-10-24 23:05:43,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:43,182 INFO L93 Difference]: Finished difference Result 1358 states and 1906 transitions. [2024-10-24 23:05:43,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 23:05:43,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 6 states have internal predecessors, (96), 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 102 [2024-10-24 23:05:43,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:43,186 INFO L225 Difference]: With dead ends: 1358 [2024-10-24 23:05:43,186 INFO L226 Difference]: Without dead ends: 707 [2024-10-24 23:05:43,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 23:05:43,189 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 13 mSDsluCounter, 2095 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2593 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:43,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2593 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 23:05:43,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-10-24 23:05:43,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 705. [2024-10-24 23:05:43,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 684 states have (on average 1.394736842105263) internal successors, (954), 696 states have internal predecessors, (954), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 23:05:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 976 transitions. [2024-10-24 23:05:43,214 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 976 transitions. Word has length 102 [2024-10-24 23:05:43,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:43,214 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 976 transitions. [2024-10-24 23:05:43,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 6 states have internal predecessors, (96), 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) [2024-10-24 23:05:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 976 transitions. [2024-10-24 23:05:43,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-24 23:05:43,216 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:43,217 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:43,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 23:05:43,218 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:43,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:43,218 INFO L85 PathProgramCache]: Analyzing trace with hash -2108201144, now seen corresponding path program 1 times [2024-10-24 23:05:43,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:43,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822847329] [2024-10-24 23:05:43,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:43,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:43,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 23:05:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:43,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 23:05:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:05:43,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:43,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822847329] [2024-10-24 23:05:43,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822847329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:43,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:05:43,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 23:05:43,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17607951] [2024-10-24 23:05:43,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:43,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:05:43,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:43,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:05:43,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:05:43,563 INFO L87 Difference]: Start difference. First operand 705 states and 976 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 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) [2024-10-24 23:05:44,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:44,183 INFO L93 Difference]: Finished difference Result 1360 states and 1905 transitions. [2024-10-24 23:05:44,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 23:05:44,184 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 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 102 [2024-10-24 23:05:44,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:44,187 INFO L225 Difference]: With dead ends: 1360 [2024-10-24 23:05:44,187 INFO L226 Difference]: Without dead ends: 717 [2024-10-24 23:05:44,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:05:44,190 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 17 mSDsluCounter, 2505 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2993 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:44,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2993 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 23:05:44,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-10-24 23:05:44,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 705. [2024-10-24 23:05:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 684 states have (on average 1.394736842105263) internal successors, (954), 696 states have internal predecessors, (954), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 23:05:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 976 transitions. [2024-10-24 23:05:44,208 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 976 transitions. Word has length 102 [2024-10-24 23:05:44,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:44,208 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 976 transitions. [2024-10-24 23:05:44,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 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) [2024-10-24 23:05:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 976 transitions. [2024-10-24 23:05:44,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 23:05:44,210 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:44,210 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:44,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 23:05:44,210 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:44,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:44,211 INFO L85 PathProgramCache]: Analyzing trace with hash 679221045, now seen corresponding path program 1 times [2024-10-24 23:05:44,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:44,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698175932] [2024-10-24 23:05:44,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:44,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:44,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 23:05:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:44,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 23:05:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:05:44,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:44,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698175932] [2024-10-24 23:05:44,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698175932] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:44,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:05:44,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 23:05:44,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515112703] [2024-10-24 23:05:44,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:44,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:05:44,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:44,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:05:44,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:05:44,590 INFO L87 Difference]: Start difference. First operand 705 states and 976 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 9 states have internal predecessors, (97), 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) [2024-10-24 23:05:45,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:45,173 INFO L93 Difference]: Finished difference Result 1365 states and 1909 transitions. [2024-10-24 23:05:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 23:05:45,173 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 9 states have internal predecessors, (97), 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 103 [2024-10-24 23:05:45,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:45,176 INFO L225 Difference]: With dead ends: 1365 [2024-10-24 23:05:45,177 INFO L226 Difference]: Without dead ends: 727 [2024-10-24 23:05:45,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:05:45,178 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 25 mSDsluCounter, 3006 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3494 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:45,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3494 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 23:05:45,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-10-24 23:05:45,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 719. [2024-10-24 23:05:45,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 698 states have (on average 1.3925501432664757) internal successors, (972), 710 states have internal predecessors, (972), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 23:05:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 994 transitions. [2024-10-24 23:05:45,195 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 994 transitions. Word has length 103 [2024-10-24 23:05:45,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:45,196 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 994 transitions. [2024-10-24 23:05:45,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 9 states have internal predecessors, (97), 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) [2024-10-24 23:05:45,196 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 994 transitions. [2024-10-24 23:05:45,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 23:05:45,198 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:45,198 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:45,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 23:05:45,199 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:45,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:45,199 INFO L85 PathProgramCache]: Analyzing trace with hash 665423569, now seen corresponding path program 1 times [2024-10-24 23:05:45,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:45,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340694616] [2024-10-24 23:05:45,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:45,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:45,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 23:05:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:45,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 23:05:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:45,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 23:05:45,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:45,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340694616] [2024-10-24 23:05:45,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340694616] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:05:45,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798589797] [2024-10-24 23:05:45,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:45,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:05:45,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:05:45,521 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:05:45,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 23:05:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:45,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 23:05:45,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:05:46,034 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:05:46,035 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:05:46,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798589797] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:46,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:05:46,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-10-24 23:05:46,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473028007] [2024-10-24 23:05:46,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:46,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:05:46,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:46,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:05:46,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-24 23:05:46,038 INFO L87 Difference]: Start difference. First operand 719 states and 994 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 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) [2024-10-24 23:05:47,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 23:05:47,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:47,872 INFO L93 Difference]: Finished difference Result 1384 states and 1928 transitions. [2024-10-24 23:05:47,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 23:05:47,872 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 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 103 [2024-10-24 23:05:47,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:47,875 INFO L225 Difference]: With dead ends: 1384 [2024-10-24 23:05:47,875 INFO L226 Difference]: Without dead ends: 739 [2024-10-24 23:05:47,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-24 23:05:47,877 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 17 mSDsluCounter, 2191 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2693 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:47,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2693 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 23:05:47,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-10-24 23:05:47,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 729. [2024-10-24 23:05:47,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 708 states have (on average 1.3898305084745763) internal successors, (984), 720 states have internal predecessors, (984), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 23:05:47,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1006 transitions. [2024-10-24 23:05:47,893 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1006 transitions. Word has length 103 [2024-10-24 23:05:47,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:47,893 INFO L471 AbstractCegarLoop]: Abstraction has 729 states and 1006 transitions. [2024-10-24 23:05:47,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 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) [2024-10-24 23:05:47,894 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1006 transitions. [2024-10-24 23:05:47,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 23:05:47,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:47,895 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:47,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 23:05:48,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 23:05:48,099 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:48,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:48,100 INFO L85 PathProgramCache]: Analyzing trace with hash 576096508, now seen corresponding path program 1 times [2024-10-24 23:05:48,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:48,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161507128] [2024-10-24 23:05:48,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:48,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:48,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:05:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:48,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 23:05:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:48,572 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:05:48,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:48,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161507128] [2024-10-24 23:05:48,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161507128] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:05:48,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:05:48,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 23:05:48,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244648784] [2024-10-24 23:05:48,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:05:48,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:05:48,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:05:48,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:05:48,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 23:05:48,575 INFO L87 Difference]: Start difference. First operand 729 states and 1006 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 10 states have internal predecessors, (98), 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) [2024-10-24 23:05:49,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:05:49,295 INFO L93 Difference]: Finished difference Result 1404 states and 1960 transitions. [2024-10-24 23:05:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:05:49,297 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 10 states have internal predecessors, (98), 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 104 [2024-10-24 23:05:49,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:05:49,304 INFO L225 Difference]: With dead ends: 1404 [2024-10-24 23:05:49,304 INFO L226 Difference]: Without dead ends: 749 [2024-10-24 23:05:49,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-24 23:05:49,309 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 31 mSDsluCounter, 3005 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3500 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 23:05:49,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3500 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 23:05:49,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-10-24 23:05:49,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 735. [2024-10-24 23:05:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 714 states have (on average 1.3865546218487395) internal successors, (990), 726 states have internal predecessors, (990), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 23:05:49,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1012 transitions. [2024-10-24 23:05:49,336 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1012 transitions. Word has length 104 [2024-10-24 23:05:49,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:05:49,336 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 1012 transitions. [2024-10-24 23:05:49,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 10 states have internal predecessors, (98), 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) [2024-10-24 23:05:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1012 transitions. [2024-10-24 23:05:49,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 23:05:49,338 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:05:49,338 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:05:49,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 23:05:49,339 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:05:49,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:05:49,339 INFO L85 PathProgramCache]: Analyzing trace with hash 148374752, now seen corresponding path program 1 times [2024-10-24 23:05:49,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:05:49,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976326484] [2024-10-24 23:05:49,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:49,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:05:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:49,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:05:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:49,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 23:05:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 23:05:49,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:05:49,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976326484] [2024-10-24 23:05:49,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976326484] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:05:49,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837290273] [2024-10-24 23:05:49,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:05:49,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:05:49,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:05:49,633 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:05:49,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 23:05:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:05:50,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-24 23:05:50,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:06:15,033 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:06:15,033 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:06:15,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837290273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:06:15,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:06:15,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-10-24 23:06:15,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956037262] [2024-10-24 23:06:15,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:06:15,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:06:15,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:06:15,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:06:15,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-10-24 23:06:15,039 INFO L87 Difference]: Start difference. First operand 735 states and 1012 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 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) [2024-10-24 23:06:16,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:06:16,773 INFO L93 Difference]: Finished difference Result 1393 states and 1934 transitions. [2024-10-24 23:06:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 23:06:16,774 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 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 104 [2024-10-24 23:06:16,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:06:16,777 INFO L225 Difference]: With dead ends: 1393 [2024-10-24 23:06:16,777 INFO L226 Difference]: Without dead ends: 735 [2024-10-24 23:06:16,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-10-24 23:06:16,779 INFO L432 NwaCegarLoop]: 497 mSDtfsCounter, 11 mSDsluCounter, 3876 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4373 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 23:06:16,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4373 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 23:06:16,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-10-24 23:06:16,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 731. [2024-10-24 23:06:16,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 710 states have (on average 1.3859154929577464) internal successors, (984), 722 states have internal predecessors, (984), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 23:06:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1006 transitions. [2024-10-24 23:06:16,798 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1006 transitions. Word has length 104 [2024-10-24 23:06:16,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:06:16,798 INFO L471 AbstractCegarLoop]: Abstraction has 731 states and 1006 transitions. [2024-10-24 23:06:16,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 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) [2024-10-24 23:06:16,799 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1006 transitions. [2024-10-24 23:06:16,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 23:06:16,800 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:06:16,800 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:06:16,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 23:06:17,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 23:06:17,001 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:06:17,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:06:17,001 INFO L85 PathProgramCache]: Analyzing trace with hash 487681376, now seen corresponding path program 1 times [2024-10-24 23:06:17,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:06:17,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038478973] [2024-10-24 23:06:17,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:06:17,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:06:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:17,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:06:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:17,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 23:06:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 23:06:17,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:06:17,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038478973] [2024-10-24 23:06:17,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038478973] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:06:17,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108002829] [2024-10-24 23:06:17,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:06:17,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:06:17,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:06:17,342 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:06:17,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 23:06:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:17,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 23:06:17,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:06:17,804 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:06:17,804 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:06:17,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108002829] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:06:17,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:06:17,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-24 23:06:17,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716227842] [2024-10-24 23:06:17,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:06:17,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 23:06:17,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:06:17,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 23:06:17,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:06:17,806 INFO L87 Difference]: Start difference. First operand 731 states and 1006 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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) [2024-10-24 23:06:18,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:06:18,104 INFO L93 Difference]: Finished difference Result 1396 states and 1938 transitions. [2024-10-24 23:06:18,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 23:06:18,107 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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 104 [2024-10-24 23:06:18,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:06:18,110 INFO L225 Difference]: With dead ends: 1396 [2024-10-24 23:06:18,111 INFO L226 Difference]: Without dead ends: 745 [2024-10-24 23:06:18,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-24 23:06:18,112 INFO L432 NwaCegarLoop]: 487 mSDtfsCounter, 40 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 2655 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 23:06:18,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2655 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 23:06:18,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-10-24 23:06:18,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 735. [2024-10-24 23:06:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 714 states have (on average 1.3837535014005602) internal successors, (988), 726 states have internal predecessors, (988), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 23:06:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1010 transitions. [2024-10-24 23:06:18,130 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1010 transitions. Word has length 104 [2024-10-24 23:06:18,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:06:18,130 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 1010 transitions. [2024-10-24 23:06:18,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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) [2024-10-24 23:06:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1010 transitions. [2024-10-24 23:06:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 23:06:18,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:06:18,132 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:06:18,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 23:06:18,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:06:18,333 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:06:18,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:06:18,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1553542247, now seen corresponding path program 1 times [2024-10-24 23:06:18,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:06:18,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139324339] [2024-10-24 23:06:18,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:06:18,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:06:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:18,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:06:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:18,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 23:06:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 23:06:18,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:06:18,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139324339] [2024-10-24 23:06:18,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139324339] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:06:18,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959023312] [2024-10-24 23:06:18,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:06:18,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:06:18,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:06:18,649 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:06:18,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 23:06:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:19,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 23:06:19,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:06:19,288 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 23:06:19,288 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:06:19,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959023312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:06:19,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:06:19,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-10-24 23:06:19,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832071512] [2024-10-24 23:06:19,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:06:19,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:06:19,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:06:19,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:06:19,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:06:19,289 INFO L87 Difference]: Start difference. First operand 735 states and 1010 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:06:19,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:06:19,328 INFO L93 Difference]: Finished difference Result 1355 states and 1881 transitions. [2024-10-24 23:06:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:06:19,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-10-24 23:06:19,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:06:19,331 INFO L225 Difference]: With dead ends: 1355 [2024-10-24 23:06:19,332 INFO L226 Difference]: Without dead ends: 737 [2024-10-24 23:06:19,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:06:19,333 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 0 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:06:19,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1526 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:06:19,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-10-24 23:06:19,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 737. [2024-10-24 23:06:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 715 states have (on average 1.3846153846153846) internal successors, (990), 728 states have internal predecessors, (990), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 23:06:19,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1014 transitions. [2024-10-24 23:06:19,357 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1014 transitions. Word has length 104 [2024-10-24 23:06:19,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:06:19,360 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1014 transitions. [2024-10-24 23:06:19,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 23:06:19,361 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1014 transitions. [2024-10-24 23:06:19,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-24 23:06:19,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:06:19,362 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:06:19,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 23:06:19,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-24 23:06:19,562 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:06:19,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:06:19,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1213466915, now seen corresponding path program 1 times [2024-10-24 23:06:19,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:06:19,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326206818] [2024-10-24 23:06:19,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:06:19,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:06:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:19,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 23:06:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:19,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 23:06:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 23:06:19,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:06:19,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326206818] [2024-10-24 23:06:19,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326206818] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:06:19,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520384124] [2024-10-24 23:06:19,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:06:19,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:06:19,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:06:20,018 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:06:20,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 23:06:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:20,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 23:06:20,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:06:20,727 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 23:06:20,728 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:06:20,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520384124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:06:20,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:06:20,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-10-24 23:06:20,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620187271] [2024-10-24 23:06:20,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:06:20,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 23:06:20,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:06:20,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 23:06:20,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-10-24 23:06:20,732 INFO L87 Difference]: Start difference. First operand 737 states and 1014 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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) [2024-10-24 23:06:21,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:06:21,105 INFO L93 Difference]: Finished difference Result 1407 states and 1956 transitions. [2024-10-24 23:06:21,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 23:06:21,106 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 106 [2024-10-24 23:06:21,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:06:21,110 INFO L225 Difference]: With dead ends: 1407 [2024-10-24 23:06:21,110 INFO L226 Difference]: Without dead ends: 747 [2024-10-24 23:06:21,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-10-24 23:06:21,111 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 10 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2644 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:06:21,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2644 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 23:06:21,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-10-24 23:06:21,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 737. [2024-10-24 23:06:21,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 715 states have (on average 1.3846153846153846) internal successors, (990), 728 states have internal predecessors, (990), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 23:06:21,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1014 transitions. [2024-10-24 23:06:21,129 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1014 transitions. Word has length 106 [2024-10-24 23:06:21,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:06:21,129 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1014 transitions. [2024-10-24 23:06:21,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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) [2024-10-24 23:06:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1014 transitions. [2024-10-24 23:06:21,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-24 23:06:21,131 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:06:21,131 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:06:21,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 23:06:21,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:06:21,336 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:06:21,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:06:21,336 INFO L85 PathProgramCache]: Analyzing trace with hash -176281330, now seen corresponding path program 1 times [2024-10-24 23:06:21,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:06:21,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146154992] [2024-10-24 23:06:21,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:06:21,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:06:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:21,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 23:06:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:21,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 23:06:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 23:06:21,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:06:21,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146154992] [2024-10-24 23:06:21,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146154992] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:06:21,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200898155] [2024-10-24 23:06:21,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:06:21,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:06:21,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:06:21,773 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:06:21,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 23:06:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:22,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-24 23:06:22,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:06:28,515 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 23:06:28,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:06:28,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200898155] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:06:28,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:06:28,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2024-10-24 23:06:28,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266820845] [2024-10-24 23:06:28,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:06:28,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 23:06:28,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:06:28,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 23:06:28,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-10-24 23:06:28,518 INFO L87 Difference]: Start difference. First operand 737 states and 1014 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 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) [2024-10-24 23:06:32,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-24 23:06:37,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-24 23:06:37,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:06:37,549 INFO L93 Difference]: Finished difference Result 1401 states and 1946 transitions. [2024-10-24 23:06:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 23:06:37,550 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 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 107 [2024-10-24 23:06:37,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:06:37,557 INFO L225 Difference]: With dead ends: 1401 [2024-10-24 23:06:37,557 INFO L226 Difference]: Without dead ends: 751 [2024-10-24 23:06:37,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-10-24 23:06:37,559 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 13 mSDsluCounter, 3489 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:06:37,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3981 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 676 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2024-10-24 23:06:37,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-10-24 23:06:37,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 745. [2024-10-24 23:06:37,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 723 states have (on average 1.3831258644536653) internal successors, (1000), 736 states have internal predecessors, (1000), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-10-24 23:06:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1024 transitions. [2024-10-24 23:06:37,584 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1024 transitions. Word has length 107 [2024-10-24 23:06:37,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:06:37,585 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 1024 transitions. [2024-10-24 23:06:37,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 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) [2024-10-24 23:06:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1024 transitions. [2024-10-24 23:06:37,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-24 23:06:37,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:06:37,586 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:06:37,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 23:06:37,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:06:37,788 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-24 23:06:37,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:06:37,788 INFO L85 PathProgramCache]: Analyzing trace with hash 732852906, now seen corresponding path program 1 times [2024-10-24 23:06:37,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:06:37,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509004005] [2024-10-24 23:06:37,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:06:37,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:06:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:38,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 23:06:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:38,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 23:06:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 23:06:38,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:06:38,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509004005] [2024-10-24 23:06:38,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509004005] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:06:38,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199329376] [2024-10-24 23:06:38,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:06:38,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:06:38,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:06:38,143 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:06:38,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 23:06:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:06:38,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 116 conjuncts are in the unsatisfiable core [2024-10-24 23:06:38,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:06:38,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-24 23:06:38,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-24 23:06:38,801 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-10-24 23:06:38,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2024-10-24 23:06:38,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-10-24 23:06:38,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-10-24 23:06:38,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-10-24 23:06:39,018 INFO L349 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2024-10-24 23:06:39,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 37 [2024-10-24 23:06:39,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13