./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_JEN_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d 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_JEN_test9-1.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 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:19:28,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:19:28,275 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:19:28,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:19:28,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:19:28,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:19:28,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:19:28,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:19:28,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:19:28,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:19:28,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:19:28,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:19:28,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:19:28,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:19:28,322 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:19:28,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:19:28,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:19:28,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:19:28,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:19:28,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:19:28,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:19:28,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:19:28,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:19:28,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:19:28,325 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:19:28,325 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:19:28,325 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:19:28,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:19:28,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:19:28,326 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:19:28,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:19:28,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:19:28,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:19:28,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:19:28,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:19:28,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:19:28,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:19:28,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:19:28,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:19:28,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:19:28,329 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:19:28,329 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:19:28,329 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:19:28,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:19:28,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 [2024-10-13 16:19:28,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:19:28,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:19:28,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:19:28,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:19:28,633 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:19:28,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2024-10-13 16:19:30,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:19:30,369 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:19:30,370 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2024-10-13 16:19:30,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/957631a56/0e1d22e213d54defb5bfe3b2276b9383/FLAGb1ed7060e [2024-10-13 16:19:30,401 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/957631a56/0e1d22e213d54defb5bfe3b2276b9383 [2024-10-13 16:19:30,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:19:30,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:19:30,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:19:30,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:19:30,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:19:30,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:19:30" (1/1) ... [2024-10-13 16:19:30,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299eba64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:30, skipping insertion in model container [2024-10-13 16:19:30,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:19:30" (1/1) ... [2024-10-13 16:19:30,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:19:31,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:19:31,134 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:19:31,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:19:31,305 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:19:31,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31 WrapperNode [2024-10-13 16:19:31,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:19:31,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:19:31,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:19:31,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:19:31,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (1/1) ... [2024-10-13 16:19:31,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (1/1) ... [2024-10-13 16:19:31,460 INFO L138 Inliner]: procedures = 177, calls = 724, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3290 [2024-10-13 16:19:31,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:19:31,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:19:31,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:19:31,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:19:31,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (1/1) ... [2024-10-13 16:19:31,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (1/1) ... [2024-10-13 16:19:31,498 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (1/1) ... [2024-10-13 16:19:31,573 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [2, 34, 172]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2024-10-13 16:19:31,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (1/1) ... [2024-10-13 16:19:31,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (1/1) ... [2024-10-13 16:19:31,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (1/1) ... [2024-10-13 16:19:31,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (1/1) ... [2024-10-13 16:19:31,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (1/1) ... [2024-10-13 16:19:31,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (1/1) ... [2024-10-13 16:19:31,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:19:31,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:19:31,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:19:31,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:19:31,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (1/1) ... [2024-10-13 16:19:31,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:19:31,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:19:31,769 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) [2024-10-13 16:19:31,786 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 [2024-10-13 16:19:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-13 16:19:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-13 16:19:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:19:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:19:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 16:19:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 16:19:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 16:19:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:19:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:19:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 16:19:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 16:19:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 16:19:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-13 16:19:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 16:19:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 16:19:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-13 16:19:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 16:19:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:19:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 16:19:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 16:19:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 16:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 16:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 16:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 16:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 16:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 16:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 16:19:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:19:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:19:32,082 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:19:32,084 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:19:34,673 INFO L? ?]: Removed 808 outVars from TransFormulas that were not future-live. [2024-10-13 16:19:34,674 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:19:34,728 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:19:34,729 INFO L314 CfgBuilder]: Removed 54 assume(true) statements. [2024-10-13 16:19:34,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:19:34 BoogieIcfgContainer [2024-10-13 16:19:34,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:19:34,732 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:19:34,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:19:34,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:19:34,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:19:30" (1/3) ... [2024-10-13 16:19:34,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d16ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:19:34, skipping insertion in model container [2024-10-13 16:19:34,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:19:31" (2/3) ... [2024-10-13 16:19:34,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d16ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:19:34, skipping insertion in model container [2024-10-13 16:19:34,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:19:34" (3/3) ... [2024-10-13 16:19:34,738 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test9-1.i [2024-10-13 16:19:34,753 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:19:34,753 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 16:19:34,860 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:19:34,866 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;@4421fd15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:19:34,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 16:19:34,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 1383 states, 866 states have (on average 1.8441108545034641) internal successors, (1597), 1376 states have internal predecessors, (1597), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-10-13 16:19:34,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:19:34,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:19:34,881 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:19:34,882 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)] === [2024-10-13 16:19:34,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:19:34,887 INFO L85 PathProgramCache]: Analyzing trace with hash 2132616231, now seen corresponding path program 1 times [2024-10-13 16:19:34,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:19:34,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328053296] [2024-10-13 16:19:34,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:19:34,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:19:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:35,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:19:35,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:19:35,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328053296] [2024-10-13 16:19:35,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328053296] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:19:35,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:19:35,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:19:35,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716914670] [2024-10-13 16:19:35,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:19:35,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 16:19:35,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:19:35,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 16:19:35,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:19:35,119 INFO L87 Difference]: Start difference. First operand has 1383 states, 866 states have (on average 1.8441108545034641) internal successors, (1597), 1376 states have internal predecessors, (1597), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) 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) [2024-10-13 16:19:35,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:19:35,292 INFO L93 Difference]: Finished difference Result 2763 states and 5712 transitions. [2024-10-13 16:19:35,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 16:19:35,294 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 [2024-10-13 16:19:35,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:19:35,331 INFO L225 Difference]: With dead ends: 2763 [2024-10-13 16:19:35,331 INFO L226 Difference]: Without dead ends: 1376 [2024-10-13 16:19:35,341 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 [2024-10-13 16:19:35,344 INFO L432 NwaCegarLoop]: 2540 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, 2540 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 [2024-10-13 16:19:35,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2540 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:19:35,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2024-10-13 16:19:35,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1376. [2024-10-13 16:19:35,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 863 states have (on average 1.7752027809965238) internal successors, (1532), 1370 states have internal predecessors, (1532), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-13 16:19:35,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 2538 transitions. [2024-10-13 16:19:35,730 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 2538 transitions. Word has length 6 [2024-10-13 16:19:35,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:19:35,731 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 2538 transitions. [2024-10-13 16:19:35,731 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) [2024-10-13 16:19:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 2538 transitions. [2024-10-13 16:19:35,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:19:35,732 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:19:35,733 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:19:35,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:19:35,733 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)] === [2024-10-13 16:19:35,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:19:35,734 INFO L85 PathProgramCache]: Analyzing trace with hash 2132618153, now seen corresponding path program 1 times [2024-10-13 16:19:35,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:19:35,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596936798] [2024-10-13 16:19:35,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:19:35,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:19:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 16:19:35,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [768176561] [2024-10-13 16:19:35,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:19:35,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:19:35,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:19:35,776 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) [2024-10-13 16:19:35,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 16:19:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:35,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:19:35,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:19:35,951 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 [2024-10-13 16:19:35,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:19:35,983 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:19:35,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:19:35,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596936798] [2024-10-13 16:19:35,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 16:19:35,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768176561] [2024-10-13 16:19:35,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768176561] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:19:35,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:19:35,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:19:35,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278584079] [2024-10-13 16:19:35,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:19:35,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:19:35,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:19:35,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:19:35,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:19:35,988 INFO L87 Difference]: Start difference. First operand 1376 states and 2538 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) [2024-10-13 16:19:36,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:19:36,850 INFO L93 Difference]: Finished difference Result 2744 states and 5069 transitions. [2024-10-13 16:19:36,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:19:36,851 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 [2024-10-13 16:19:36,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:19:36,870 INFO L225 Difference]: With dead ends: 2744 [2024-10-13 16:19:36,870 INFO L226 Difference]: Without dead ends: 2742 [2024-10-13 16:19:36,871 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 [2024-10-13 16:19:36,872 INFO L432 NwaCegarLoop]: 2774 mSDtfsCounter, 1518 mSDsluCounter, 4783 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 7557 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 16:19:36,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 7557 Invalid, 582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 16:19:36,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2742 states. [2024-10-13 16:19:37,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2742 to 1382. [2024-10-13 16:19:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.7710011507479861) internal successors, (1539), 1376 states have internal predecessors, (1539), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-13 16:19:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2545 transitions. [2024-10-13 16:19:37,213 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2545 transitions. Word has length 6 [2024-10-13 16:19:37,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:19:37,213 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2545 transitions. [2024-10-13 16:19:37,213 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) [2024-10-13 16:19:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2545 transitions. [2024-10-13 16:19:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-13 16:19:37,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:19:37,217 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] [2024-10-13 16:19:37,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 16:19:37,417 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 [2024-10-13 16:19:37,418 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:19:37,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:19:37,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1554258750, now seen corresponding path program 1 times [2024-10-13 16:19:37,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:19:37,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712437363] [2024-10-13 16:19:37,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:19:37,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:19:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:19:37,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:19:37,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712437363] [2024-10-13 16:19:37,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712437363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:19:37,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:19:37,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:19:37,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671588424] [2024-10-13 16:19:37,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:19:37,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:19:37,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:19:37,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:19:37,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:19:37,790 INFO L87 Difference]: Start difference. First operand 1382 states and 2545 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-10-13 16:19:38,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:19:38,630 INFO L93 Difference]: Finished difference Result 3910 states and 7309 transitions. [2024-10-13 16:19:38,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:19:38,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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 63 [2024-10-13 16:19:38,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:19:38,653 INFO L225 Difference]: With dead ends: 3910 [2024-10-13 16:19:38,654 INFO L226 Difference]: Without dead ends: 2741 [2024-10-13 16:19:38,659 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 [2024-10-13 16:19:38,660 INFO L432 NwaCegarLoop]: 2812 mSDtfsCounter, 1519 mSDsluCounter, 4822 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 7634 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 16:19:38,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 7634 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 16:19:38,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2024-10-13 16:19:38,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1382. [2024-10-13 16:19:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.7698504027617952) internal successors, (1538), 1376 states have internal predecessors, (1538), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-13 16:19:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2544 transitions. [2024-10-13 16:19:38,976 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2544 transitions. Word has length 63 [2024-10-13 16:19:38,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:19:38,977 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2544 transitions. [2024-10-13 16:19:38,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-10-13 16:19:38,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2544 transitions. [2024-10-13 16:19:38,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 16:19:38,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:19:38,982 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] [2024-10-13 16:19:38,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:19:38,983 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:19:38,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:19:38,984 INFO L85 PathProgramCache]: Analyzing trace with hash 17459717, now seen corresponding path program 1 times [2024-10-13 16:19:38,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:19:38,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307769326] [2024-10-13 16:19:38,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:19:38,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:19:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:39,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:19:39,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:19:39,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307769326] [2024-10-13 16:19:39,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307769326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:19:39,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:19:39,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:19:39,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541370924] [2024-10-13 16:19:39,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:19:39,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:19:39,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:19:39,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:19:39,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:19:39,247 INFO L87 Difference]: Start difference. First operand 1382 states and 2544 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) [2024-10-13 16:19:39,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:19:39,414 INFO L93 Difference]: Finished difference Result 2760 states and 5084 transitions. [2024-10-13 16:19:39,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:19:39,415 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 [2024-10-13 16:19:39,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:19:39,425 INFO L225 Difference]: With dead ends: 2760 [2024-10-13 16:19:39,425 INFO L226 Difference]: Without dead ends: 1385 [2024-10-13 16:19:39,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:19:39,431 INFO L432 NwaCegarLoop]: 2507 mSDtfsCounter, 87 mSDsluCounter, 7419 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 9926 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:19:39,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 9926 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:19:39,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-10-13 16:19:39,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1382. [2024-10-13 16:19:39,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.761795166858458) internal successors, (1531), 1376 states have internal predecessors, (1531), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-13 16:19:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2537 transitions. [2024-10-13 16:19:39,558 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2537 transitions. Word has length 80 [2024-10-13 16:19:39,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:19:39,559 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2537 transitions. [2024-10-13 16:19:39,559 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) [2024-10-13 16:19:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2537 transitions. [2024-10-13 16:19:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 16:19:39,561 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:19:39,561 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] [2024-10-13 16:19:39,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:19:39,561 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)] === [2024-10-13 16:19:39,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:19:39,562 INFO L85 PathProgramCache]: Analyzing trace with hash 586599417, now seen corresponding path program 1 times [2024-10-13 16:19:39,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:19:39,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816289435] [2024-10-13 16:19:39,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:19:39,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:19:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:19:39,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:19:39,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816289435] [2024-10-13 16:19:39,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816289435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:19:39,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:19:39,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:19:39,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340944599] [2024-10-13 16:19:39,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:19:39,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:19:39,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:19:39,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:19:39,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:19:39,695 INFO L87 Difference]: Start difference. First operand 1382 states and 2537 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) [2024-10-13 16:19:39,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:19:39,792 INFO L93 Difference]: Finished difference Result 2763 states and 5076 transitions. [2024-10-13 16:19:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:19:39,793 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 [2024-10-13 16:19:39,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:19:39,804 INFO L225 Difference]: With dead ends: 2763 [2024-10-13 16:19:39,804 INFO L226 Difference]: Without dead ends: 1388 [2024-10-13 16:19:39,809 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 [2024-10-13 16:19:39,812 INFO L432 NwaCegarLoop]: 2522 mSDtfsCounter, 1 mSDsluCounter, 2501 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5023 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:19:39,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5023 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:19:39,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2024-10-13 16:19:39,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1388. [2024-10-13 16:19:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1388 states, 875 states have (on average 1.7565714285714287) internal successors, (1537), 1382 states have internal predecessors, (1537), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-13 16:19:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 2543 transitions. [2024-10-13 16:19:39,944 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 2543 transitions. Word has length 80 [2024-10-13 16:19:39,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:19:39,946 INFO L471 AbstractCegarLoop]: Abstraction has 1388 states and 2543 transitions. [2024-10-13 16:19:39,946 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) [2024-10-13 16:19:39,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 2543 transitions. [2024-10-13 16:19:39,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 16:19:39,950 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:19:39,950 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] [2024-10-13 16:19:39,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:19:39,951 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)] === [2024-10-13 16:19:39,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:19:39,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1067679675, now seen corresponding path program 1 times [2024-10-13 16:19:39,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:19:39,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511642106] [2024-10-13 16:19:39,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:19:39,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:19:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:19:40,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:19:40,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511642106] [2024-10-13 16:19:40,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511642106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:19:40,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:19:40,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:19:40,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678073765] [2024-10-13 16:19:40,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:19:40,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:19:40,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:19:40,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:19:40,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:19:40,103 INFO L87 Difference]: Start difference. First operand 1388 states and 2543 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) [2024-10-13 16:19:40,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:19:40,318 INFO L93 Difference]: Finished difference Result 4045 states and 7482 transitions. [2024-10-13 16:19:40,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:19:40,318 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 [2024-10-13 16:19:40,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:19:40,340 INFO L225 Difference]: With dead ends: 4045 [2024-10-13 16:19:40,341 INFO L226 Difference]: Without dead ends: 2664 [2024-10-13 16:19:40,346 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 [2024-10-13 16:19:40,347 INFO L432 NwaCegarLoop]: 2980 mSDtfsCounter, 1342 mSDsluCounter, 2515 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1842 SdHoareTripleChecker+Valid, 5495 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:19:40,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1842 Valid, 5495 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:19:40,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2024-10-13 16:19:40,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2660. [2024-10-13 16:19:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 1647 states have (on average 1.7838494231936854) internal successors, (2938), 2654 states have internal predecessors, (2938), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-10-13 16:19:40,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 4944 transitions. [2024-10-13 16:19:40,655 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 4944 transitions. Word has length 80 [2024-10-13 16:19:40,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:19:40,655 INFO L471 AbstractCegarLoop]: Abstraction has 2660 states and 4944 transitions. [2024-10-13 16:19:40,656 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) [2024-10-13 16:19:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 4944 transitions. [2024-10-13 16:19:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-13 16:19:40,672 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:19:40,672 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] [2024-10-13 16:19:40,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:19:40,672 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)] === [2024-10-13 16:19:40,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:19:40,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1274474478, now seen corresponding path program 1 times [2024-10-13 16:19:40,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:19:40,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729844637] [2024-10-13 16:19:40,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:19:40,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:19:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:40,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:19:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:40,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:19:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:40,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:19:40,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:19:40,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729844637] [2024-10-13 16:19:40,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729844637] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:19:40,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:19:40,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:19:40,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671672520] [2024-10-13 16:19:40,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:19:40,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:19:40,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:19:40,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:19:40,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:19:40,981 INFO L87 Difference]: Start difference. First operand 2660 states and 4944 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) [2024-10-13 16:19:45,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:19:45,480 INFO L93 Difference]: Finished difference Result 4902 states and 9291 transitions. [2024-10-13 16:19:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:19:45,480 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 [2024-10-13 16:19:45,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:19:45,524 INFO L225 Difference]: With dead ends: 4902 [2024-10-13 16:19:45,524 INFO L226 Difference]: Without dead ends: 4900 [2024-10-13 16:19:45,526 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 [2024-10-13 16:19:45,527 INFO L432 NwaCegarLoop]: 2742 mSDtfsCounter, 1431 mSDsluCounter, 4949 mSDsCounter, 0 mSdLazyCounter, 2641 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1933 SdHoareTripleChecker+Valid, 7691 SdHoareTripleChecker+Invalid, 3647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:19:45,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1933 Valid, 7691 Invalid, 3647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 2641 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-10-13 16:19:45,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4900 states. [2024-10-13 16:19:46,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4900 to 2724. [2024-10-13 16:19:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2724 states, 1708 states have (on average 1.765807962529274) internal successors, (3016), 2715 states have internal predecessors, (3016), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-10-13 16:19:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2724 states and 5028 transitions. [2024-10-13 16:19:46,092 INFO L78 Accepts]: Start accepts. Automaton has 2724 states and 5028 transitions. Word has length 93 [2024-10-13 16:19:46,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:19:46,093 INFO L471 AbstractCegarLoop]: Abstraction has 2724 states and 5028 transitions. [2024-10-13 16:19:46,093 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) [2024-10-13 16:19:46,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 5028 transitions. [2024-10-13 16:19:46,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-13 16:19:46,094 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:19:46,094 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] [2024-10-13 16:19:46,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 16:19:46,095 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:19:46,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:19:46,096 INFO L85 PathProgramCache]: Analyzing trace with hash -2037444211, now seen corresponding path program 1 times [2024-10-13 16:19:46,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:19:46,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979719449] [2024-10-13 16:19:46,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:19:46,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:19:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:46,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:19:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:46,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:19:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:46,542 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 16:19:46,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:19:46,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979719449] [2024-10-13 16:19:46,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979719449] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:19:46,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256965119] [2024-10-13 16:19:46,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:19:46,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:19:46,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:19:46,545 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) [2024-10-13 16:19:46,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 16:19:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:46,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-13 16:19:46,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:19:46,854 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 [2024-10-13 16:19:46,896 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 [2024-10-13 16:19:46,929 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-10-13 16:19:47,777 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:19:47,777 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:19:47,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256965119] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:19:47,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:19:47,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 15 [2024-10-13 16:19:47,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057817251] [2024-10-13 16:19:47,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:19:47,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 16:19:47,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:19:47,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 16:19:47,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-10-13 16:19:47,780 INFO L87 Difference]: Start difference. First operand 2724 states and 5028 transitions. Second operand has 12 states, 12 states have (on average 7.75) internal successors, (93), 11 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) [2024-10-13 16:19:52,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:19:52,113 INFO L93 Difference]: Finished difference Result 7566 states and 14226 transitions. [2024-10-13 16:19:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 16:19:52,114 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 11 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 [2024-10-13 16:19:52,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:19:52,161 INFO L225 Difference]: With dead ends: 7566 [2024-10-13 16:19:52,161 INFO L226 Difference]: Without dead ends: 4935 [2024-10-13 16:19:52,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2024-10-13 16:19:52,175 INFO L432 NwaCegarLoop]: 2724 mSDtfsCounter, 1777 mSDsluCounter, 21872 mSDsCounter, 0 mSdLazyCounter, 3015 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 24596 SdHoareTripleChecker+Invalid, 3020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-13 16:19:52,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 24596 Invalid, 3020 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 3015 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-13 16:19:52,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4935 states. [2024-10-13 16:19:52,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4935 to 2756. [2024-10-13 16:19:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 1740 states have (on average 1.7545977011494254) internal successors, (3053), 2747 states have internal predecessors, (3053), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-10-13 16:19:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 5065 transitions. [2024-10-13 16:19:52,709 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 5065 transitions. Word has length 99 [2024-10-13 16:19:52,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:19:52,709 INFO L471 AbstractCegarLoop]: Abstraction has 2756 states and 5065 transitions. [2024-10-13 16:19:52,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 11 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) [2024-10-13 16:19:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 5065 transitions. [2024-10-13 16:19:52,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-13 16:19:52,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:19:52,711 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] [2024-10-13 16:19:52,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 16:19:52,911 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,SelfDestructingSolverStorable7 [2024-10-13 16:19:52,912 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)] === [2024-10-13 16:19:52,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:19:52,912 INFO L85 PathProgramCache]: Analyzing trace with hash 907396488, now seen corresponding path program 1 times [2024-10-13 16:19:52,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:19:52,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404514606] [2024-10-13 16:19:52,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:19:52,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:19:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:53,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 16:19:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:53,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 16:19:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 16:19:53,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:19:53,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404514606] [2024-10-13 16:19:53,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404514606] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:19:53,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659981135] [2024-10-13 16:19:53,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:19:53,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:19:53,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:19:53,243 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) [2024-10-13 16:19:53,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 16:19:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:19:53,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-13 16:19:53,628 INFO L278 TraceCheckSpWp]: Computing forward predicates...