./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:15:50,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:15:50,757 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:15:50,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:15:50,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:15:50,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:15:50,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:15:50,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:15:50,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:15:50,786 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:15:50,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:15:50,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:15:50,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:15:50,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:15:50,787 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:15:50,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:15:50,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:15:50,788 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:15:50,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:15:50,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:15:50,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:15:50,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:15:50,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:15:50,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:15:50,789 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:15:50,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:15:50,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:15:50,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:15:50,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:15:50,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:15:50,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:15:50,790 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2025-03-17 19:15:50,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:15:51,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:15:51,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:15:51,010 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:15:51,010 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:15:51,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2025-03-17 19:15:52,152 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff1e70708/6b2ff1b5c985414fbee074d9f51a7a88/FLAG6f2cc1fba [2025-03-17 19:15:52,446 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:15:52,447 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2025-03-17 19:15:52,468 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff1e70708/6b2ff1b5c985414fbee074d9f51a7a88/FLAG6f2cc1fba [2025-03-17 19:15:52,728 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff1e70708/6b2ff1b5c985414fbee074d9f51a7a88 [2025-03-17 19:15:52,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:15:52,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:15:52,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:15:52,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:15:52,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:15:52,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:15:52" (1/1) ... [2025-03-17 19:15:52,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3428131a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:52, skipping insertion in model container [2025-03-17 19:15:52,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:15:52" (1/1) ... [2025-03-17 19:15:52,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:15:53,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:15:53,095 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:15:53,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:15:53,203 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:15:53,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53 WrapperNode [2025-03-17 19:15:53,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:15:53,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:15:53,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:15:53,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:15:53,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (1/1) ... [2025-03-17 19:15:53,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (1/1) ... [2025-03-17 19:15:53,268 INFO L138 Inliner]: procedures = 177, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1387 [2025-03-17 19:15:53,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:15:53,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:15:53,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:15:53,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:15:53,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (1/1) ... [2025-03-17 19:15:53,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (1/1) ... [2025-03-17 19:15:53,290 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (1/1) ... [2025-03-17 19:15:53,355 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2025-03-17 19:15:53,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (1/1) ... [2025-03-17 19:15:53,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (1/1) ... [2025-03-17 19:15:53,377 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (1/1) ... [2025-03-17 19:15:53,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (1/1) ... [2025-03-17 19:15:53,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (1/1) ... [2025-03-17 19:15:53,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (1/1) ... [2025-03-17 19:15:53,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:15:53,396 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:15:53,396 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:15:53,396 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:15:53,397 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (1/1) ... [2025-03-17 19:15:53,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:15:53,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:15:53,419 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) [2025-03-17 19:15:53,421 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 [2025-03-17 19:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-17 19:15:53,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-17 19:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 19:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 19:15:53,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 19:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 19:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 19:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 19:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 19:15:53,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 19:15:53,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 19:15:53,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 19:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2025-03-17 19:15:53,437 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 19:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:15:53,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:15:53,583 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:15:53,585 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:15:54,640 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-17 19:15:54,718 INFO L? ?]: Removed 339 outVars from TransFormulas that were not future-live. [2025-03-17 19:15:54,719 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:15:54,768 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:15:54,768 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 19:15:54,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:15:54 BoogieIcfgContainer [2025-03-17 19:15:54,769 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:15:54,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:15:54,770 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:15:54,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:15:54,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:15:52" (1/3) ... [2025-03-17 19:15:54,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c0b667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:15:54, skipping insertion in model container [2025-03-17 19:15:54,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:15:53" (2/3) ... [2025-03-17 19:15:54,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c0b667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:15:54, skipping insertion in model container [2025-03-17 19:15:54,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:15:54" (3/3) ... [2025-03-17 19:15:54,775 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test8-1.i [2025-03-17 19:15:54,798 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:15:54,799 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_OAT_test8-1.i that has 7 procedures, 454 locations, 1 initial locations, 35 loop locations, and 8 error locations. [2025-03-17 19:15:54,854 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:15:54,864 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;@1c96040e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:15:54,864 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-17 19:15:54,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 446 states, 411 states have (on average 1.632603406326034) internal successors, (671), 436 states have internal predecessors, (671), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 19:15:54,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 19:15:54,874 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:15:54,874 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 19:15:54,875 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:15:54,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:15:54,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1661231527, now seen corresponding path program 1 times [2025-03-17 19:15:54,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:15:54,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468477007] [2025-03-17 19:15:54,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:15:54,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:15:54,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:15:54,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:15:54,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:15:54,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:15:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:15:55,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:15:55,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468477007] [2025-03-17 19:15:55,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468477007] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:15:55,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:15:55,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:15:55,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269954809] [2025-03-17 19:15:55,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:15:55,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 19:15:55,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:15:55,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 19:15:55,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 19:15:55,035 INFO L87 Difference]: Start difference. First operand has 446 states, 411 states have (on average 1.632603406326034) internal successors, (671), 436 states have internal predecessors, (671), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) 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) [2025-03-17 19:15:55,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:15:55,156 INFO L93 Difference]: Finished difference Result 889 states and 1445 transitions. [2025-03-17 19:15:55,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 19:15:55,159 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 [2025-03-17 19:15:55,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:15:55,167 INFO L225 Difference]: With dead ends: 889 [2025-03-17 19:15:55,167 INFO L226 Difference]: Without dead ends: 437 [2025-03-17 19:15:55,172 INFO L434 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 [2025-03-17 19:15:55,174 INFO L435 NwaCegarLoop]: 606 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:15:55,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:15:55,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2025-03-17 19:15:55,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2025-03-17 19:15:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 406 states have (on average 1.477832512315271) internal successors, (600), 428 states have internal predecessors, (600), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 19:15:55,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 640 transitions. [2025-03-17 19:15:55,236 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 640 transitions. Word has length 6 [2025-03-17 19:15:55,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:15:55,237 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 640 transitions. [2025-03-17 19:15:55,237 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) [2025-03-17 19:15:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 640 transitions. [2025-03-17 19:15:55,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 19:15:55,237 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:15:55,237 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 19:15:55,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:15:55,238 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:15:55,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:15:55,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1661230566, now seen corresponding path program 1 times [2025-03-17 19:15:55,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:15:55,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136541840] [2025-03-17 19:15:55,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:15:55,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:15:55,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:15:55,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:15:55,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:15:55,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 19:15:55,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446964711] [2025-03-17 19:15:55,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:15:55,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:15:55,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:15:55,287 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) [2025-03-17 19:15:55,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 19:15:55,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:15:55,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:15:55,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:15:55,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:15:55,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 19:15:55,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:15:55,433 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 [2025-03-17 19:15:55,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:15:55,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:15:55,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:15:55,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136541840] [2025-03-17 19:15:55,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 19:15:55,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446964711] [2025-03-17 19:15:55,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446964711] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:15:55,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:15:55,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:15:55,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356413751] [2025-03-17 19:15:55,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:15:55,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:15:55,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:15:55,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:15:55,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:15:55,464 INFO L87 Difference]: Start difference. First operand 437 states and 640 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) [2025-03-17 19:15:55,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:15:55,711 INFO L93 Difference]: Finished difference Result 827 states and 1205 transitions. [2025-03-17 19:15:55,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:15:55,712 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 [2025-03-17 19:15:55,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:15:55,717 INFO L225 Difference]: With dead ends: 827 [2025-03-17 19:15:55,718 INFO L226 Difference]: Without dead ends: 825 [2025-03-17 19:15:55,719 INFO L434 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 [2025-03-17 19:15:55,719 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 548 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:15:55,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1718 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:15:55,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2025-03-17 19:15:55,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 443. [2025-03-17 19:15:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 412 states have (on average 1.4733009708737863) internal successors, (607), 434 states have internal predecessors, (607), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 19:15:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 647 transitions. [2025-03-17 19:15:55,766 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 647 transitions. Word has length 6 [2025-03-17 19:15:55,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:15:55,767 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 647 transitions. [2025-03-17 19:15:55,767 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) [2025-03-17 19:15:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 647 transitions. [2025-03-17 19:15:55,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-17 19:15:55,769 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:15:55,770 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:15:55,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 19:15:55,970 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 [2025-03-17 19:15:55,971 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:15:55,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:15:55,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1148704, now seen corresponding path program 1 times [2025-03-17 19:15:55,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:15:55,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321295438] [2025-03-17 19:15:55,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:15:55,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:15:55,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 19:15:56,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 19:15:56,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:15:56,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:15:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:15:56,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:15:56,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321295438] [2025-03-17 19:15:56,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321295438] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:15:56,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:15:56,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:15:56,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849070086] [2025-03-17 19:15:56,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:15:56,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:15:56,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:15:56,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:15:56,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:15:56,320 INFO L87 Difference]: Start difference. First operand 443 states and 647 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:15:56,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:15:56,550 INFO L93 Difference]: Finished difference Result 1054 states and 1546 transitions. [2025-03-17 19:15:56,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:15:56,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2025-03-17 19:15:56,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:15:56,554 INFO L225 Difference]: With dead ends: 1054 [2025-03-17 19:15:56,554 INFO L226 Difference]: Without dead ends: 824 [2025-03-17 19:15:56,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:15:56,555 INFO L435 NwaCegarLoop]: 577 mSDtfsCounter, 549 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:15:56,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 1723 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:15:56,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2025-03-17 19:15:56,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 443. [2025-03-17 19:15:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 412 states have (on average 1.470873786407767) internal successors, (606), 434 states have internal predecessors, (606), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 19:15:56,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 646 transitions. [2025-03-17 19:15:56,568 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 646 transitions. Word has length 69 [2025-03-17 19:15:56,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:15:56,568 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 646 transitions. [2025-03-17 19:15:56,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:15:56,568 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 646 transitions. [2025-03-17 19:15:56,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-17 19:15:56,570 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:15:56,570 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:15:56,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:15:56,570 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:15:56,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:15:56,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1673380453, now seen corresponding path program 1 times [2025-03-17 19:15:56,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:15:56,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64653211] [2025-03-17 19:15:56,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:15:56,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:15:56,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 19:15:56,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 19:15:56,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:15:56,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:15:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:15:56,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:15:56,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64653211] [2025-03-17 19:15:56,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64653211] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:15:56,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:15:56,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:15:56,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426737224] [2025-03-17 19:15:56,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:15:56,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:15:56,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:15:56,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:15:56,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:15:56,760 INFO L87 Difference]: Start difference. First operand 443 states and 646 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:15:56,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:15:56,892 INFO L93 Difference]: Finished difference Result 882 states and 1288 transitions. [2025-03-17 19:15:56,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:15:56,892 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-17 19:15:56,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:15:56,894 INFO L225 Difference]: With dead ends: 882 [2025-03-17 19:15:56,895 INFO L226 Difference]: Without dead ends: 446 [2025-03-17 19:15:56,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:15:56,897 INFO L435 NwaCegarLoop]: 571 mSDtfsCounter, 105 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:15:56,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1629 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:15:56,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2025-03-17 19:15:56,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 443. [2025-03-17 19:15:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 412 states have (on average 1.453883495145631) internal successors, (599), 434 states have internal predecessors, (599), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 19:15:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 639 transitions. [2025-03-17 19:15:56,913 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 639 transitions. Word has length 80 [2025-03-17 19:15:56,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:15:56,913 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 639 transitions. [2025-03-17 19:15:56,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:15:56,913 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 639 transitions. [2025-03-17 19:15:56,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-17 19:15:56,916 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:15:56,917 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:15:56,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:15:56,918 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:15:56,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:15:56,918 INFO L85 PathProgramCache]: Analyzing trace with hash -560171681, now seen corresponding path program 1 times [2025-03-17 19:15:56,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:15:56,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83605880] [2025-03-17 19:15:56,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:15:56,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:15:56,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 19:15:56,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 19:15:56,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:15:56,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:15:57,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:15:57,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:15:57,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83605880] [2025-03-17 19:15:57,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83605880] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:15:57,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:15:57,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:15:57,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855405805] [2025-03-17 19:15:57,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:15:57,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:15:57,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:15:57,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:15:57,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:15:57,032 INFO L87 Difference]: Start difference. First operand 443 states and 639 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:15:57,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:15:57,226 INFO L93 Difference]: Finished difference Result 1169 states and 1699 transitions. [2025-03-17 19:15:57,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:15:57,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-03-17 19:15:57,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:15:57,230 INFO L225 Difference]: With dead ends: 1169 [2025-03-17 19:15:57,230 INFO L226 Difference]: Without dead ends: 733 [2025-03-17 19:15:57,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:15:57,231 INFO L435 NwaCegarLoop]: 756 mSDtfsCounter, 371 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:15:57,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1324 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:15:57,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2025-03-17 19:15:57,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 730. [2025-03-17 19:15:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 698 states have (on average 1.4641833810888252) internal successors, (1022), 720 states have internal predecessors, (1022), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 19:15:57,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1064 transitions. [2025-03-17 19:15:57,250 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1064 transitions. Word has length 80 [2025-03-17 19:15:57,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:15:57,250 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 1064 transitions. [2025-03-17 19:15:57,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:15:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1064 transitions. [2025-03-17 19:15:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-17 19:15:57,251 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:15:57,251 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:15:57,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 19:15:57,251 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:15:57,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:15:57,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1060589965, now seen corresponding path program 1 times [2025-03-17 19:15:57,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:15:57,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116048746] [2025-03-17 19:15:57,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:15:57,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:15:57,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-17 19:15:57,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-17 19:15:57,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:15:57,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:15:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:15:57,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:15:57,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116048746] [2025-03-17 19:15:57,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116048746] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:15:57,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:15:57,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:15:57,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098764716] [2025-03-17 19:15:57,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:15:57,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:15:57,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:15:57,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:15:57,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:15:57,565 INFO L87 Difference]: Start difference. First operand 730 states and 1064 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:15:57,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:15:57,715 INFO L93 Difference]: Finished difference Result 830 states and 1213 transitions. [2025-03-17 19:15:57,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 19:15:57,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95 [2025-03-17 19:15:57,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:15:57,721 INFO L225 Difference]: With dead ends: 830 [2025-03-17 19:15:57,723 INFO L226 Difference]: Without dead ends: 828 [2025-03-17 19:15:57,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:15:57,724 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 223 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:15:57,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 1731 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:15:57,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2025-03-17 19:15:57,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 799. [2025-03-17 19:15:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 762 states have (on average 1.4488188976377954) internal successors, (1104), 784 states have internal predecessors, (1104), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-17 19:15:57,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1154 transitions. [2025-03-17 19:15:57,750 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1154 transitions. Word has length 95 [2025-03-17 19:15:57,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:15:57,751 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1154 transitions. [2025-03-17 19:15:57,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:15:57,751 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1154 transitions. [2025-03-17 19:15:57,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-17 19:15:57,753 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:15:57,754 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:15:57,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 19:15:57,754 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:15:57,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:15:57,754 INFO L85 PathProgramCache]: Analyzing trace with hash 78402740, now seen corresponding path program 1 times [2025-03-17 19:15:57,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:15:57,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145225242] [2025-03-17 19:15:57,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:15:57,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:15:57,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 19:15:57,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 19:15:57,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:15:57,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:15:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:15:58,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:15:58,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145225242] [2025-03-17 19:15:58,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145225242] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:15:58,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:15:58,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:15:58,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747600857] [2025-03-17 19:15:58,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:15:58,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:15:58,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:15:58,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:15:58,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:15:58,009 INFO L87 Difference]: Start difference. First operand 799 states and 1154 transitions. Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 19:15:58,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:15:58,191 INFO L93 Difference]: Finished difference Result 1026 states and 1480 transitions. [2025-03-17 19:15:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:15:58,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 107 [2025-03-17 19:15:58,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:15:58,196 INFO L225 Difference]: With dead ends: 1026 [2025-03-17 19:15:58,197 INFO L226 Difference]: Without dead ends: 1024 [2025-03-17 19:15:58,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:15:58,198 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 457 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 1701 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:15:58,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 1701 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:15:58,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2025-03-17 19:15:58,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 802. [2025-03-17 19:15:58,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 765 states have (on average 1.4470588235294117) internal successors, (1107), 786 states have internal predecessors, (1107), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-17 19:15:58,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1157 transitions. [2025-03-17 19:15:58,220 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1157 transitions. Word has length 107 [2025-03-17 19:15:58,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:15:58,220 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1157 transitions. [2025-03-17 19:15:58,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 19:15:58,221 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1157 transitions. [2025-03-17 19:15:58,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-03-17 19:15:58,236 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:15:58,236 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:15:58,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 19:15:58,236 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:15:58,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:15:58,237 INFO L85 PathProgramCache]: Analyzing trace with hash 2004237061, now seen corresponding path program 1 times [2025-03-17 19:15:58,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:15:58,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860477461] [2025-03-17 19:15:58,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:15:58,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:15:58,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 19:15:58,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 19:15:58,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:15:58,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:15:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:15:58,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:15:58,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860477461] [2025-03-17 19:15:58,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860477461] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:15:58,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700595060] [2025-03-17 19:15:58,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:15:58,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:15:58,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:15:58,619 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) [2025-03-17 19:15:58,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 19:15:58,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 19:15:58,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 19:15:58,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:15:58,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:15:58,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-17 19:15:58,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:15:58,885 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 [2025-03-17 19:15:58,903 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 [2025-03-17 19:15:58,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2025-03-17 19:15:59,318 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 19:15:59,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41 [2025-03-17 19:15:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:15:59,500 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:15:59,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700595060] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:15:59,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:15:59,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2025-03-17 19:15:59,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345865461] [2025-03-17 19:15:59,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:15:59,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 19:15:59,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:15:59,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 19:15:59,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-17 19:15:59,502 INFO L87 Difference]: Start difference. First operand 802 states and 1157 transitions. Second operand has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 19:16:01,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-17 19:16:06,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-17 19:16:06,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:06,792 INFO L93 Difference]: Finished difference Result 1793 states and 2583 transitions. [2025-03-17 19:16:06,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 19:16:06,792 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 113 [2025-03-17 19:16:06,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:06,796 INFO L225 Difference]: With dead ends: 1793 [2025-03-17 19:16:06,796 INFO L226 Difference]: Without dead ends: 1076 [2025-03-17 19:16:06,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2025-03-17 19:16:06,797 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 826 mSDsluCounter, 3547 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 4117 SdHoareTripleChecker+Invalid, 1722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2025-03-17 19:16:06,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 4117 Invalid, 1722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1712 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2025-03-17 19:16:06,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2025-03-17 19:16:06,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 835. [2025-03-17 19:16:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 798 states have (on average 1.4398496240601504) internal successors, (1149), 819 states have internal predecessors, (1149), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-17 19:16:06,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1199 transitions. [2025-03-17 19:16:06,817 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1199 transitions. Word has length 113 [2025-03-17 19:16:06,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:06,817 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1199 transitions. [2025-03-17 19:16:06,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 19:16:06,818 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1199 transitions. [2025-03-17 19:16:06,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-03-17 19:16:06,818 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:06,818 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:16:06,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 19:16:07,019 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 [2025-03-17 19:16:07,020 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:16:07,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:07,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1618870278, now seen corresponding path program 1 times [2025-03-17 19:16:07,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:07,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697650517] [2025-03-17 19:16:07,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:07,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:07,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 19:16:07,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 19:16:07,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:07,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:16:07,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:07,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697650517] [2025-03-17 19:16:07,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697650517] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:07,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:07,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:16:07,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149013268] [2025-03-17 19:16:07,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:07,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:16:07,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:07,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:16:07,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:16:07,127 INFO L87 Difference]: Start difference. First operand 835 states and 1199 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 19:16:07,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:07,228 INFO L93 Difference]: Finished difference Result 1514 states and 2175 transitions. [2025-03-17 19:16:07,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 19:16:07,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 113 [2025-03-17 19:16:07,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:07,231 INFO L225 Difference]: With dead ends: 1514 [2025-03-17 19:16:07,231 INFO L226 Difference]: Without dead ends: 706 [2025-03-17 19:16:07,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:16:07,233 INFO L435 NwaCegarLoop]: 505 mSDtfsCounter, 9 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:16:07,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1496 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:16:07,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2025-03-17 19:16:07,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2025-03-17 19:16:07,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 669 states have (on average 1.414050822122571) internal successors, (946), 690 states have internal predecessors, (946), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-17 19:16:07,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 996 transitions. [2025-03-17 19:16:07,249 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 996 transitions. Word has length 113 [2025-03-17 19:16:07,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:07,249 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 996 transitions. [2025-03-17 19:16:07,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 19:16:07,249 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 996 transitions. [2025-03-17 19:16:07,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-17 19:16:07,250 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:07,250 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:16:07,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 19:16:07,250 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:16:07,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:07,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1680008153, now seen corresponding path program 1 times [2025-03-17 19:16:07,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:07,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471438757] [2025-03-17 19:16:07,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:07,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:07,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 19:16:07,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 19:16:07,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:07,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:07,582 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:16:07,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:07,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471438757] [2025-03-17 19:16:07,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471438757] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:16:07,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457263419] [2025-03-17 19:16:07,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:07,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:16:07,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:16:07,586 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) [2025-03-17 19:16:07,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 19:16:07,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 19:16:08,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 19:16:08,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:08,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:08,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 19:16:08,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:16:36,141 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 19:16:48,170 WARN L286 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 19:17:08,863 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 19:17:20,221 WARN L286 SmtUtils]: Spent 11.36s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)