./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test3-1.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_nondet_test3-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:13:06,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:13:06,704 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:13:06,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:13:06,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:13:06,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:13:06,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:13:06,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:13:06,729 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:13:06,730 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:13:06,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:13:06,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:13:06,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:13:06,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:13:06,731 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:13:06,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:13:06,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:13:06,732 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:13:06,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:13:06,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:13:06,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:13:06,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:13:06,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:13:06,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:13:06,732 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:13:06,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:13:06,732 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:13:06,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:13:06,733 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:13:06,733 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:13:06,733 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:13:06,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:13:06,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:13:06,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:13:06,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:13:06,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:13:06,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:13:06,734 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:13:06,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:13:06,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:13:06,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:13:06,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:13:06,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:13:06,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:13:06,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:13:06,735 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 -> 6fd297418200393a9bb890e84311a80b6eacd7d5d7cdd65efb1397f8b8ab870f [2025-03-17 19:13:06,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:13:06,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:13:06,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:13:06,987 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:13:06,988 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:13:06,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test3-1.i [2025-03-17 19:13:08,181 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b322a2f1f/8b390a8994b543428852c6a891b1300b/FLAGaa89bb527 [2025-03-17 19:13:08,546 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:13:08,547 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test3-1.i [2025-03-17 19:13:08,563 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b322a2f1f/8b390a8994b543428852c6a891b1300b/FLAGaa89bb527 [2025-03-17 19:13:08,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b322a2f1f/8b390a8994b543428852c6a891b1300b [2025-03-17 19:13:08,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:13:08,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:13:08,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:13:08,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:13:08,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:13:08,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:08,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2397d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08, skipping insertion in model container [2025-03-17 19:13:08,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:08,809 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:13:09,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:13:09,215 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:13:09,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:13:09,329 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:13:09,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09 WrapperNode [2025-03-17 19:13:09,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:13:09,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:13:09,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:13:09,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:13:09,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (1/1) ... [2025-03-17 19:13:09,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (1/1) ... [2025-03-17 19:13:09,404 INFO L138 Inliner]: procedures = 177, calls = 274, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1397 [2025-03-17 19:13:09,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:13:09,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:13:09,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:13:09,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:13:09,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (1/1) ... [2025-03-17 19:13:09,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (1/1) ... [2025-03-17 19:13:09,424 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (1/1) ... [2025-03-17 19:13:09,477 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 218, 34]. 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, 50, 4]. [2025-03-17 19:13:09,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (1/1) ... [2025-03-17 19:13:09,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (1/1) ... [2025-03-17 19:13:09,511 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (1/1) ... [2025-03-17 19:13:09,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (1/1) ... [2025-03-17 19:13:09,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (1/1) ... [2025-03-17 19:13:09,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (1/1) ... [2025-03-17 19:13:09,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:13:09,529 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:13:09,529 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:13:09,529 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:13:09,530 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (1/1) ... [2025-03-17 19:13:09,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:13:09,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:09,557 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 19:13:09,564 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 19:13:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:13:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:13:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 19:13:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 19:13:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 19:13:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:13:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:13:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 19:13:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 19:13:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 19:13:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 19:13:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 19:13:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 19:13:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 19:13:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 19:13:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:13:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:13:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:13:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 19:13:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 19:13:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 19:13:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 19:13:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 19:13:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:13:09,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:13:09,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:13:09,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 19:13:09,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:13:09,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:13:09,769 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:13:09,771 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:13:10,964 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: 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 19:13:11,063 INFO L? ?]: Removed 322 outVars from TransFormulas that were not future-live. [2025-03-17 19:13:11,063 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:13:11,111 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:13:11,111 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 19:13:11,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:13:11 BoogieIcfgContainer [2025-03-17 19:13:11,112 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:13:11,113 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:13:11,114 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:13:11,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:13:11,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:13:08" (1/3) ... [2025-03-17 19:13:11,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3645af28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:13:11, skipping insertion in model container [2025-03-17 19:13:11,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:09" (2/3) ... [2025-03-17 19:13:11,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3645af28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:13:11, skipping insertion in model container [2025-03-17 19:13:11,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:13:11" (3/3) ... [2025-03-17 19:13:11,118 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test3-1.i [2025-03-17 19:13:11,131 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:13:11,132 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_OAT_nondet_test3-1.i that has 5 procedures, 414 locations, 1 initial locations, 36 loop locations, and 6 error locations. [2025-03-17 19:13:11,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:13:11,196 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;@1420a1f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:13:11,196 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-17 19:13:11,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 406 states, 392 states have (on average 1.625) internal successors, (637), 399 states have internal predecessors, (637), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 19:13:11,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 19:13:11,204 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:11,204 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:13:11,205 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:11,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:11,209 INFO L85 PathProgramCache]: Analyzing trace with hash 676604263, now seen corresponding path program 1 times [2025-03-17 19:13:11,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:11,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828269201] [2025-03-17 19:13:11,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:11,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:11,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 19:13:11,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 19:13:11,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:11,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:11,342 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 19:13:11,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:11,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828269201] [2025-03-17 19:13:11,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828269201] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:11,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:11,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:13:11,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122727082] [2025-03-17 19:13:11,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:11,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 19:13:11,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:11,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 19:13:11,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 19:13:11,365 INFO L87 Difference]: Start difference. First operand has 406 states, 392 states have (on average 1.625) internal successors, (637), 399 states have internal predecessors, (637), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:13:11,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:11,481 INFO L93 Difference]: Finished difference Result 809 states and 1292 transitions. [2025-03-17 19:13:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 19:13:11,483 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-17 19:13:11,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:11,494 INFO L225 Difference]: With dead ends: 809 [2025-03-17 19:13:11,494 INFO L226 Difference]: Without dead ends: 397 [2025-03-17 19:13:11,498 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 19:13:11,500 INFO L435 NwaCegarLoop]: 540 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 540 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 19:13:11,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 540 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:11,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-03-17 19:13:11,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2025-03-17 19:13:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 385 states have (on average 1.4623376623376623) internal successors, (563), 391 states have internal predecessors, (563), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 19:13:11,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 571 transitions. [2025-03-17 19:13:11,559 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 571 transitions. Word has length 7 [2025-03-17 19:13:11,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:11,559 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 571 transitions. [2025-03-17 19:13:11,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:13:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 571 transitions. [2025-03-17 19:13:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 19:13:11,560 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:11,560 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:13:11,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:13:11,561 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:11,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:11,561 INFO L85 PathProgramCache]: Analyzing trace with hash 676605224, now seen corresponding path program 1 times [2025-03-17 19:13:11,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:11,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723250646] [2025-03-17 19:13:11,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:11,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:11,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 19:13:11,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 19:13:11,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:11,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 19:13:11,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [866082301] [2025-03-17 19:13:11,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:11,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:11,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:11,610 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 19:13:11,612 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 19:13:11,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 19:13:11,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 19:13:11,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:11,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:11,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 19:13:11,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:11,758 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 19:13:11,791 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 19:13:11,792 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:11,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:11,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723250646] [2025-03-17 19:13:11,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 19:13:11,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866082301] [2025-03-17 19:13:11,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866082301] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:11,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:11,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:13:11,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454032717] [2025-03-17 19:13:11,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:11,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:13:11,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:11,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:13:11,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:13:11,795 INFO L87 Difference]: Start difference. First operand 397 states and 571 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:13:12,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:12,050 INFO L93 Difference]: Finished difference Result 784 states and 1133 transitions. [2025-03-17 19:13:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:13:12,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-17 19:13:12,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:12,054 INFO L225 Difference]: With dead ends: 784 [2025-03-17 19:13:12,054 INFO L226 Difference]: Without dead ends: 782 [2025-03-17 19:13:12,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:13:12,057 INFO L435 NwaCegarLoop]: 506 mSDtfsCounter, 547 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1511 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 19:13:12,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1511 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:13:12,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2025-03-17 19:13:12,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 403. [2025-03-17 19:13:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 391 states have (on average 1.4578005115089514) internal successors, (570), 397 states have internal predecessors, (570), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 19:13:12,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 578 transitions. [2025-03-17 19:13:12,084 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 578 transitions. Word has length 7 [2025-03-17 19:13:12,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:12,084 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 578 transitions. [2025-03-17 19:13:12,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:13:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 578 transitions. [2025-03-17 19:13:12,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 19:13:12,086 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:12,086 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] [2025-03-17 19:13:12,093 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 19:13:12,287 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 19:13:12,288 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:12,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:12,288 INFO L85 PathProgramCache]: Analyzing trace with hash 504694518, now seen corresponding path program 1 times [2025-03-17 19:13:12,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:12,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338790826] [2025-03-17 19:13:12,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:12,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:12,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 19:13:12,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 19:13:12,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:12,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:12,561 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 19:13:12,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:12,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338790826] [2025-03-17 19:13:12,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338790826] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:12,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:12,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:13:12,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065752668] [2025-03-17 19:13:12,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:12,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:13:12,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:12,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:13:12,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:13:12,564 INFO L87 Difference]: Start difference. First operand 403 states and 578 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:13:12,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:12,699 INFO L93 Difference]: Finished difference Result 551 states and 788 transitions. [2025-03-17 19:13:12,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 19:13:12,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2025-03-17 19:13:12,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:12,701 INFO L225 Difference]: With dead ends: 551 [2025-03-17 19:13:12,701 INFO L226 Difference]: Without dead ends: 361 [2025-03-17 19:13:12,701 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 19:13:12,702 INFO L435 NwaCegarLoop]: 434 mSDtfsCounter, 36 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:12,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1288 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:12,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-03-17 19:13:12,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2025-03-17 19:13:12,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 349 states have (on average 1.4126074498567336) internal successors, (493), 355 states have internal predecessors, (493), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 19:13:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 501 transitions. [2025-03-17 19:13:12,715 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 501 transitions. Word has length 68 [2025-03-17 19:13:12,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:12,715 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 501 transitions. [2025-03-17 19:13:12,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:13:12,715 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 501 transitions. [2025-03-17 19:13:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 19:13:12,717 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:12,717 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] [2025-03-17 19:13:12,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:13:12,718 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:12,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:12,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1729224148, now seen corresponding path program 1 times [2025-03-17 19:13:12,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:12,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065989257] [2025-03-17 19:13:12,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:12,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:12,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 19:13:12,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 19:13:12,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:12,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:12,853 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 19:13:12,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:12,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065989257] [2025-03-17 19:13:12,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065989257] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:12,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:12,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:13:12,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263181210] [2025-03-17 19:13:12,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:12,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:13:12,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:12,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:13:12,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:13:12,854 INFO L87 Difference]: Start difference. First operand 361 states and 501 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:13:12,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:12,970 INFO L93 Difference]: Finished difference Result 503 states and 694 transitions. [2025-03-17 19:13:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 19:13:12,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2025-03-17 19:13:12,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:12,973 INFO L225 Difference]: With dead ends: 503 [2025-03-17 19:13:12,973 INFO L226 Difference]: Without dead ends: 355 [2025-03-17 19:13:12,973 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 19:13:12,973 INFO L435 NwaCegarLoop]: 436 mSDtfsCounter, 9 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:12,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1289 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:12,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-03-17 19:13:12,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2025-03-17 19:13:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 343 states have (on average 1.4081632653061225) internal successors, (483), 349 states have internal predecessors, (483), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 19:13:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 491 transitions. [2025-03-17 19:13:12,988 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 491 transitions. Word has length 68 [2025-03-17 19:13:12,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:12,988 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 491 transitions. [2025-03-17 19:13:12,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:13:12,988 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 491 transitions. [2025-03-17 19:13:12,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 19:13:12,993 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:12,993 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] [2025-03-17 19:13:12,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:13:12,993 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:12,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:12,994 INFO L85 PathProgramCache]: Analyzing trace with hash 371979824, now seen corresponding path program 1 times [2025-03-17 19:13:12,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:12,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459594091] [2025-03-17 19:13:12,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:12,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:13,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 19:13:13,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 19:13:13,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:13,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:13,106 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 19:13:13,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:13,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459594091] [2025-03-17 19:13:13,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459594091] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:13,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:13,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:13:13,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045778280] [2025-03-17 19:13:13,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:13,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:13:13,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:13,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:13:13,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:13:13,110 INFO L87 Difference]: Start difference. First operand 355 states and 491 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:13:13,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:13,192 INFO L93 Difference]: Finished difference Result 497 states and 680 transitions. [2025-03-17 19:13:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:13:13,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2025-03-17 19:13:13,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:13,194 INFO L225 Difference]: With dead ends: 497 [2025-03-17 19:13:13,194 INFO L226 Difference]: Without dead ends: 350 [2025-03-17 19:13:13,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:13:13,197 INFO L435 NwaCegarLoop]: 449 mSDtfsCounter, 0 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1342 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:13,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1342 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:13,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2025-03-17 19:13:13,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2025-03-17 19:13:13,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 340 states have (on average 1.4088235294117648) internal successors, (479), 345 states have internal predecessors, (479), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 19:13:13,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 485 transitions. [2025-03-17 19:13:13,213 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 485 transitions. Word has length 68 [2025-03-17 19:13:13,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:13,213 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 485 transitions. [2025-03-17 19:13:13,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 19:13:13,213 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 485 transitions. [2025-03-17 19:13:13,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-17 19:13:13,216 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:13,217 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 19:13:13,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 19:13:13,217 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:13,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:13,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1073666762, now seen corresponding path program 1 times [2025-03-17 19:13:13,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:13,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236544465] [2025-03-17 19:13:13,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:13,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:13,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 19:13:13,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 19:13:13,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:13,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:13,330 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 19:13:13,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:13,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236544465] [2025-03-17 19:13:13,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236544465] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:13,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:13,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:13:13,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962405480] [2025-03-17 19:13:13,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:13,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:13:13,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:13,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:13:13,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:13:13,331 INFO L87 Difference]: Start difference. First operand 350 states and 485 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 19:13:13,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:13,400 INFO L93 Difference]: Finished difference Result 494 states and 676 transitions. [2025-03-17 19:13:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:13:13,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2025-03-17 19:13:13,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:13,402 INFO L225 Difference]: With dead ends: 494 [2025-03-17 19:13:13,402 INFO L226 Difference]: Without dead ends: 350 [2025-03-17 19:13:13,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:13:13,406 INFO L435 NwaCegarLoop]: 444 mSDtfsCounter, 15 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:13,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 863 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:13,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2025-03-17 19:13:13,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2025-03-17 19:13:13,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 340 states have (on average 1.3970588235294117) internal successors, (475), 345 states have internal predecessors, (475), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 19:13:13,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 481 transitions. [2025-03-17 19:13:13,415 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 481 transitions. Word has length 69 [2025-03-17 19:13:13,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:13,415 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 481 transitions. [2025-03-17 19:13:13,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 19:13:13,415 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 481 transitions. [2025-03-17 19:13:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 19:13:13,416 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:13,416 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] [2025-03-17 19:13:13,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 19:13:13,416 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:13,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:13,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1321108760, now seen corresponding path program 1 times [2025-03-17 19:13:13,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:13,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692188955] [2025-03-17 19:13:13,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:13,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:13,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 19:13:13,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 19:13:13,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:13,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:13,593 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 19:13:13,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:13,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692188955] [2025-03-17 19:13:13,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692188955] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:13,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:13,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:13:13,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779466851] [2025-03-17 19:13:13,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:13,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:13:13,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:13,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:13:13,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:13:13,594 INFO L87 Difference]: Start difference. First operand 350 states and 481 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 19:13:13,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:13,704 INFO L93 Difference]: Finished difference Result 695 states and 956 transitions. [2025-03-17 19:13:13,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:13:13,705 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), 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 79 [2025-03-17 19:13:13,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:13,706 INFO L225 Difference]: With dead ends: 695 [2025-03-17 19:13:13,706 INFO L226 Difference]: Without dead ends: 353 [2025-03-17 19:13:13,707 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 19:13:13,707 INFO L435 NwaCegarLoop]: 414 mSDtfsCounter, 105 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:13,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1158 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:13,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2025-03-17 19:13:13,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 350. [2025-03-17 19:13:13,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 340 states have (on average 1.3764705882352941) internal successors, (468), 345 states have internal predecessors, (468), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 19:13:13,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 474 transitions. [2025-03-17 19:13:13,716 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 474 transitions. Word has length 79 [2025-03-17 19:13:13,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:13,716 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 474 transitions. [2025-03-17 19:13:13,717 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), 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 19:13:13,717 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 474 transitions. [2025-03-17 19:13:13,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 19:13:13,717 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:13,717 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] [2025-03-17 19:13:13,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 19:13:13,717 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:13,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:13,718 INFO L85 PathProgramCache]: Analyzing trace with hash -64834959, now seen corresponding path program 1 times [2025-03-17 19:13:13,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:13,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627393889] [2025-03-17 19:13:13,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:13,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:13,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 19:13:13,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 19:13:13,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:13,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:13,853 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 19:13:13,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:13,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627393889] [2025-03-17 19:13:13,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627393889] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:13,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:13,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:13:13,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054154995] [2025-03-17 19:13:13,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:13,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:13:13,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:13,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:13:13,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:13:13,858 INFO L87 Difference]: Start difference. First operand 350 states and 474 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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 19:13:13,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:13,971 INFO L93 Difference]: Finished difference Result 905 states and 1239 transitions. [2025-03-17 19:13:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:13:13,971 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), 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 79 [2025-03-17 19:13:13,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:13,973 INFO L225 Difference]: With dead ends: 905 [2025-03-17 19:13:13,973 INFO L226 Difference]: Without dead ends: 483 [2025-03-17 19:13:13,974 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 19:13:13,974 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 249 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:13,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 844 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:13,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2025-03-17 19:13:13,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 481. [2025-03-17 19:13:13,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 471 states have (on average 1.3970276008492568) internal successors, (658), 476 states have internal predecessors, (658), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 19:13:13,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 664 transitions. [2025-03-17 19:13:13,987 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 664 transitions. Word has length 79 [2025-03-17 19:13:13,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:13,987 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 664 transitions. [2025-03-17 19:13:13,987 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), 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 19:13:13,987 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 664 transitions. [2025-03-17 19:13:13,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 19:13:13,988 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:13,988 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] [2025-03-17 19:13:13,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 19:13:13,988 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:13,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:13,988 INFO L85 PathProgramCache]: Analyzing trace with hash 265627073, now seen corresponding path program 1 times [2025-03-17 19:13:13,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:13,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746583758] [2025-03-17 19:13:13,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:13,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:14,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 19:13:14,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 19:13:14,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:14,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:14,323 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 19:13:14,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:14,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746583758] [2025-03-17 19:13:14,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746583758] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:14,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:14,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:13:14,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093550254] [2025-03-17 19:13:14,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:14,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:13:14,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:14,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:13:14,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:13:14,326 INFO L87 Difference]: Start difference. First operand 481 states and 664 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:14,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:14,472 INFO L93 Difference]: Finished difference Result 689 states and 935 transitions. [2025-03-17 19:13:14,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:13:14,473 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 94 [2025-03-17 19:13:14,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:14,478 INFO L225 Difference]: With dead ends: 689 [2025-03-17 19:13:14,478 INFO L226 Difference]: Without dead ends: 687 [2025-03-17 19:13:14,478 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 19:13:14,480 INFO L435 NwaCegarLoop]: 460 mSDtfsCounter, 365 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:14,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1333 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:14,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2025-03-17 19:13:14,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 544. [2025-03-17 19:13:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 531 states have (on average 1.384180790960452) internal successors, (735), 536 states have internal predecessors, (735), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 19:13:14,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 747 transitions. [2025-03-17 19:13:14,502 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 747 transitions. Word has length 94 [2025-03-17 19:13:14,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:14,503 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 747 transitions. [2025-03-17 19:13:14,503 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:14,503 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 747 transitions. [2025-03-17 19:13:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-17 19:13:14,504 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:14,504 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] [2025-03-17 19:13:14,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 19:13:14,504 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:14,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:14,504 INFO L85 PathProgramCache]: Analyzing trace with hash -2125788464, now seen corresponding path program 1 times [2025-03-17 19:13:14,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:14,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122056396] [2025-03-17 19:13:14,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:14,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:14,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 19:13:14,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 19:13:14,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:14,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:14,840 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 19:13:14,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:14,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122056396] [2025-03-17 19:13:14,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122056396] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:14,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789513999] [2025-03-17 19:13:14,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:14,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:14,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:14,843 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 19:13:14,844 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 19:13:14,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 19:13:15,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 19:13:15,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:15,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:15,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-17 19:13:15,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:15,090 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 19:13:15,111 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 19:13:15,129 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 19:13:15,739 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 19:13:15,739 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:15,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789513999] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:15,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:13:15,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-03-17 19:13:15,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558814209] [2025-03-17 19:13:15,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:15,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 19:13:15,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:15,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 19:13:15,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-17 19:13:15,740 INFO L87 Difference]: Start difference. First operand 544 states and 747 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:17,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:17,108 INFO L93 Difference]: Finished difference Result 1193 states and 1621 transitions. [2025-03-17 19:13:17,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 19:13:17,108 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 100 [2025-03-17 19:13:17,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:17,111 INFO L225 Difference]: With dead ends: 1193 [2025-03-17 19:13:17,111 INFO L226 Difference]: Without dead ends: 735 [2025-03-17 19:13:17,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-03-17 19:13:17,114 INFO L435 NwaCegarLoop]: 460 mSDtfsCounter, 719 mSDsluCounter, 2048 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 2508 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:17,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 2508 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1142 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-17 19:13:17,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2025-03-17 19:13:17,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 569. [2025-03-17 19:13:17,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 556 states have (on average 1.3758992805755397) internal successors, (765), 561 states have internal predecessors, (765), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 19:13:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 777 transitions. [2025-03-17 19:13:17,130 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 777 transitions. Word has length 100 [2025-03-17 19:13:17,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:17,131 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 777 transitions. [2025-03-17 19:13:17,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:17,131 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 777 transitions. [2025-03-17 19:13:17,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 19:13:17,132 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:17,132 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] [2025-03-17 19:13:17,139 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 19:13:17,335 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,SelfDestructingSolverStorable9 [2025-03-17 19:13:17,335 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:17,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:17,339 INFO L85 PathProgramCache]: Analyzing trace with hash -565716318, now seen corresponding path program 1 times [2025-03-17 19:13:17,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:17,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360040178] [2025-03-17 19:13:17,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:17,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:17,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 19:13:17,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 19:13:17,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:17,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:17,607 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 19:13:17,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:17,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360040178] [2025-03-17 19:13:17,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360040178] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:17,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842981821] [2025-03-17 19:13:17,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:17,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:17,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:17,609 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 19:13:17,611 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 19:13:17,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 19:13:18,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 19:13:18,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:18,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:18,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-03-17 19:13:18,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:18,124 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 19:13:18,135 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 19:13:18,145 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 19:13:18,720 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 19:13:18,720 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:18,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842981821] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:18,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:13:18,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2025-03-17 19:13:18,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991444075] [2025-03-17 19:13:18,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:18,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 19:13:18,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:18,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 19:13:18,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-03-17 19:13:18,722 INFO L87 Difference]: Start difference. First operand 569 states and 777 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:19,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:19,925 INFO L93 Difference]: Finished difference Result 1240 states and 1684 transitions. [2025-03-17 19:13:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 19:13:19,925 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2025-03-17 19:13:19,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:19,928 INFO L225 Difference]: With dead ends: 1240 [2025-03-17 19:13:19,929 INFO L226 Difference]: Without dead ends: 787 [2025-03-17 19:13:19,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2025-03-17 19:13:19,931 INFO L435 NwaCegarLoop]: 418 mSDtfsCounter, 803 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 1950 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:19,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 1950 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 19:13:19,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2025-03-17 19:13:19,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 604. [2025-03-17 19:13:19,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 591 states have (on average 1.3705583756345177) internal successors, (810), 596 states have internal predecessors, (810), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 19:13:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 822 transitions. [2025-03-17 19:13:19,950 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 822 transitions. Word has length 101 [2025-03-17 19:13:19,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:19,950 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 822 transitions. [2025-03-17 19:13:19,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:19,950 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 822 transitions. [2025-03-17 19:13:19,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-17 19:13:19,952 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:19,952 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] [2025-03-17 19:13:19,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 19:13:20,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:20,153 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:20,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:20,153 INFO L85 PathProgramCache]: Analyzing trace with hash -745433683, now seen corresponding path program 1 times [2025-03-17 19:13:20,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:20,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374053129] [2025-03-17 19:13:20,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:20,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:20,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 19:13:20,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 19:13:20,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:20,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:20,435 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 19:13:20,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:20,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374053129] [2025-03-17 19:13:20,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374053129] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:20,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:20,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 19:13:20,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492769693] [2025-03-17 19:13:20,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:20,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:13:20,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:20,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:13:20,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:13:20,437 INFO L87 Difference]: Start difference. First operand 604 states and 822 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:20,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:20,800 INFO L93 Difference]: Finished difference Result 1111 states and 1514 transitions. [2025-03-17 19:13:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 19:13:20,801 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2025-03-17 19:13:20,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:20,802 INFO L225 Difference]: With dead ends: 1111 [2025-03-17 19:13:20,802 INFO L226 Difference]: Without dead ends: 626 [2025-03-17 19:13:20,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:13:20,804 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 9 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:20,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1375 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 19:13:20,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2025-03-17 19:13:20,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 622. [2025-03-17 19:13:20,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 609 states have (on average 1.3711001642036125) internal successors, (835), 614 states have internal predecessors, (835), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 19:13:20,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 847 transitions. [2025-03-17 19:13:20,844 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 847 transitions. Word has length 102 [2025-03-17 19:13:20,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:20,844 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 847 transitions. [2025-03-17 19:13:20,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:20,844 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 847 transitions. [2025-03-17 19:13:20,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-17 19:13:20,845 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:20,845 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] [2025-03-17 19:13:20,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 19:13:20,846 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:20,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:20,846 INFO L85 PathProgramCache]: Analyzing trace with hash 2061311593, now seen corresponding path program 1 times [2025-03-17 19:13:20,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:20,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072129026] [2025-03-17 19:13:20,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:20,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:20,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 19:13:20,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 19:13:20,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:20,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:21,065 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 19:13:21,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:21,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072129026] [2025-03-17 19:13:21,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072129026] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:21,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:21,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 19:13:21,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024782978] [2025-03-17 19:13:21,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:21,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:13:21,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:21,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:13:21,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:13:21,068 INFO L87 Difference]: Start difference. First operand 622 states and 847 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:21,619 INFO L93 Difference]: Finished difference Result 1136 states and 1549 transitions. [2025-03-17 19:13:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:13:21,620 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2025-03-17 19:13:21,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:21,622 INFO L225 Difference]: With dead ends: 1136 [2025-03-17 19:13:21,622 INFO L226 Difference]: Without dead ends: 644 [2025-03-17 19:13:21,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:13:21,623 INFO L435 NwaCegarLoop]: 416 mSDtfsCounter, 14 mSDsluCounter, 1538 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:21,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1954 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 19:13:21,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2025-03-17 19:13:21,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 638. [2025-03-17 19:13:21,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 625 states have (on average 1.3712) internal successors, (857), 630 states have internal predecessors, (857), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 19:13:21,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 869 transitions. [2025-03-17 19:13:21,638 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 869 transitions. Word has length 102 [2025-03-17 19:13:21,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:21,638 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 869 transitions. [2025-03-17 19:13:21,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:21,638 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 869 transitions. [2025-03-17 19:13:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-17 19:13:21,639 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:21,639 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] [2025-03-17 19:13:21,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 19:13:21,640 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:21,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:21,641 INFO L85 PathProgramCache]: Analyzing trace with hash 572922568, now seen corresponding path program 1 times [2025-03-17 19:13:21,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:21,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208532018] [2025-03-17 19:13:21,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:21,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:21,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 19:13:21,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 19:13:21,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:21,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:21,885 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 19:13:21,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:21,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208532018] [2025-03-17 19:13:21,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208532018] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:21,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182176945] [2025-03-17 19:13:21,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:21,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:21,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:21,888 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:21,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 19:13:22,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 19:13:22,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 19:13:22,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:22,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:22,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 19:13:22,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:22,292 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 19:13:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:13:22,331 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:22,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182176945] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:22,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:13:22,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 7 [2025-03-17 19:13:22,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709920298] [2025-03-17 19:13:22,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:22,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:13:22,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:22,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:13:22,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:13:22,332 INFO L87 Difference]: Start difference. First operand 638 states and 869 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 19:13:22,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:22,534 INFO L93 Difference]: Finished difference Result 1101 states and 1498 transitions. [2025-03-17 19:13:22,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 19:13:22,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 103 [2025-03-17 19:13:22,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:22,538 INFO L225 Difference]: With dead ends: 1101 [2025-03-17 19:13:22,539 INFO L226 Difference]: Without dead ends: 641 [2025-03-17 19:13:22,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-17 19:13:22,540 INFO L435 NwaCegarLoop]: 464 mSDtfsCounter, 266 mSDsluCounter, 1792 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 2256 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:22,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 2256 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:13:22,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2025-03-17 19:13:22,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2025-03-17 19:13:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 627 states have (on average 1.3716108452950557) internal successors, (860), 633 states have internal predecessors, (860), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:13:22,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 874 transitions. [2025-03-17 19:13:22,554 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 874 transitions. Word has length 103 [2025-03-17 19:13:22,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:22,554 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 874 transitions. [2025-03-17 19:13:22,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 19:13:22,555 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 874 transitions. [2025-03-17 19:13:22,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-17 19:13:22,555 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:22,555 INFO L218 NwaCegarLoop]: trace histogram [2, 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] [2025-03-17 19:13:22,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 19:13:22,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:22,756 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:22,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:22,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1668976180, now seen corresponding path program 1 times [2025-03-17 19:13:22,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:22,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915977633] [2025-03-17 19:13:22,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:22,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:22,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 19:13:22,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 19:13:22,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:22,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 19:13:23,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:23,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915977633] [2025-03-17 19:13:23,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915977633] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:23,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071669259] [2025-03-17 19:13:23,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:23,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:23,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:23,089 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:23,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 19:13:23,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 19:13:23,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 19:13:23,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:23,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:23,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-17 19:13:23,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:23,629 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-17 19:13:23,630 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:23,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071669259] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:23,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:13:23,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-03-17 19:13:23,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438724064] [2025-03-17 19:13:23,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:23,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:13:23,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:23,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:13:23,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:13:23,631 INFO L87 Difference]: Start difference. First operand 641 states and 874 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:24,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:24,577 INFO L93 Difference]: Finished difference Result 1164 states and 1589 transitions. [2025-03-17 19:13:24,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:13:24,577 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2025-03-17 19:13:24,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:24,579 INFO L225 Difference]: With dead ends: 1164 [2025-03-17 19:13:24,579 INFO L226 Difference]: Without dead ends: 647 [2025-03-17 19:13:24,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:13:24,580 INFO L435 NwaCegarLoop]: 421 mSDtfsCounter, 12 mSDsluCounter, 1491 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:24,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1912 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 19:13:24,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2025-03-17 19:13:24,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 629. [2025-03-17 19:13:24,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 615 states have (on average 1.3642276422764228) internal successors, (839), 621 states have internal predecessors, (839), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:13:24,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 853 transitions. [2025-03-17 19:13:24,597 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 853 transitions. Word has length 105 [2025-03-17 19:13:24,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:24,598 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 853 transitions. [2025-03-17 19:13:24,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:24,598 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 853 transitions. [2025-03-17 19:13:24,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-17 19:13:24,599 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:24,599 INFO L218 NwaCegarLoop]: trace histogram [2, 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] [2025-03-17 19:13:24,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 19:13:24,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-17 19:13:24,800 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:24,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:24,800 INFO L85 PathProgramCache]: Analyzing trace with hash 808172266, now seen corresponding path program 1 times [2025-03-17 19:13:24,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:24,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945119749] [2025-03-17 19:13:24,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:24,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:24,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 19:13:24,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 19:13:24,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:24,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-17 19:13:25,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:25,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945119749] [2025-03-17 19:13:25,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945119749] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:25,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:25,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:13:25,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852301278] [2025-03-17 19:13:25,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:25,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:13:25,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:25,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:13:25,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:13:25,078 INFO L87 Difference]: Start difference. First operand 629 states and 853 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:25,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:25,543 INFO L93 Difference]: Finished difference Result 1142 states and 1547 transitions. [2025-03-17 19:13:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 19:13:25,543 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2025-03-17 19:13:25,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:25,545 INFO L225 Difference]: With dead ends: 1142 [2025-03-17 19:13:25,545 INFO L226 Difference]: Without dead ends: 655 [2025-03-17 19:13:25,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:13:25,546 INFO L435 NwaCegarLoop]: 417 mSDtfsCounter, 20 mSDsluCounter, 1985 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2402 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:25,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2402 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:13:25,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2025-03-17 19:13:25,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 643. [2025-03-17 19:13:25,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 629 states have (on average 1.3624801271860096) internal successors, (857), 635 states have internal predecessors, (857), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:13:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 871 transitions. [2025-03-17 19:13:25,565 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 871 transitions. Word has length 106 [2025-03-17 19:13:25,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:25,565 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 871 transitions. [2025-03-17 19:13:25,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 871 transitions. [2025-03-17 19:13:25,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-17 19:13:25,566 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:25,566 INFO L218 NwaCegarLoop]: trace histogram [2, 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] [2025-03-17 19:13:25,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-17 19:13:25,566 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:25,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:25,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1189127899, now seen corresponding path program 1 times [2025-03-17 19:13:25,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:25,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450456904] [2025-03-17 19:13:25,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:25,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:25,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 19:13:25,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 19:13:25,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:25,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-17 19:13:25,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:25,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450456904] [2025-03-17 19:13:25,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450456904] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:25,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:25,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-17 19:13:25,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462057109] [2025-03-17 19:13:25,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:25,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:13:25,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:25,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:13:25,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:13:25,877 INFO L87 Difference]: Start difference. First operand 643 states and 871 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:26,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:26,510 INFO L93 Difference]: Finished difference Result 1160 states and 1572 transitions. [2025-03-17 19:13:26,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 19:13:26,510 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2025-03-17 19:13:26,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:26,513 INFO L225 Difference]: With dead ends: 1160 [2025-03-17 19:13:26,513 INFO L226 Difference]: Without dead ends: 661 [2025-03-17 19:13:26,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-03-17 19:13:26,514 INFO L435 NwaCegarLoop]: 423 mSDtfsCounter, 23 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2662 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:26,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2662 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 19:13:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2025-03-17 19:13:26,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 649. [2025-03-17 19:13:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 635 states have (on average 1.3590551181102362) internal successors, (863), 641 states have internal predecessors, (863), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:13:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 877 transitions. [2025-03-17 19:13:26,531 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 877 transitions. Word has length 107 [2025-03-17 19:13:26,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:26,531 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 877 transitions. [2025-03-17 19:13:26,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 877 transitions. [2025-03-17 19:13:26,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-17 19:13:26,532 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:26,532 INFO L218 NwaCegarLoop]: trace histogram [2, 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] [2025-03-17 19:13:26,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-17 19:13:26,533 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:26,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:26,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1752316549, now seen corresponding path program 1 times [2025-03-17 19:13:26,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:26,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75188454] [2025-03-17 19:13:26,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:26,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:26,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 19:13:26,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 19:13:26,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:26,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:26,822 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 19:13:26,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:26,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75188454] [2025-03-17 19:13:26,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75188454] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:26,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122313675] [2025-03-17 19:13:26,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:26,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:26,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:26,824 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:26,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 19:13:27,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 19:13:27,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 19:13:27,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:27,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:27,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 19:13:27,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-17 19:13:27,190 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:27,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122313675] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:27,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:13:27,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-03-17 19:13:27,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803979651] [2025-03-17 19:13:27,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:27,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:13:27,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:27,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:13:27,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:13:27,192 INFO L87 Difference]: Start difference. First operand 649 states and 877 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:27,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:27,602 INFO L93 Difference]: Finished difference Result 1174 states and 1589 transitions. [2025-03-17 19:13:27,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 19:13:27,602 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2025-03-17 19:13:27,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:27,604 INFO L225 Difference]: With dead ends: 1174 [2025-03-17 19:13:27,604 INFO L226 Difference]: Without dead ends: 677 [2025-03-17 19:13:27,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-03-17 19:13:27,605 INFO L435 NwaCegarLoop]: 412 mSDtfsCounter, 39 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 2033 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:27,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 2033 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:13:27,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2025-03-17 19:13:27,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 663. [2025-03-17 19:13:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 649 states have (on average 1.3605546995377504) internal successors, (883), 655 states have internal predecessors, (883), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:13:27,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 897 transitions. [2025-03-17 19:13:27,618 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 897 transitions. Word has length 107 [2025-03-17 19:13:27,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:27,618 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 897 transitions. [2025-03-17 19:13:27,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 897 transitions. [2025-03-17 19:13:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-17 19:13:27,619 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:27,619 INFO L218 NwaCegarLoop]: trace histogram [2, 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] [2025-03-17 19:13:27,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 19:13:27,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-17 19:13:27,820 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:27,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:27,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1054428727, now seen corresponding path program 1 times [2025-03-17 19:13:27,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:27,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325725985] [2025-03-17 19:13:27,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:27,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:27,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 19:13:27,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 19:13:27,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:27,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:28,111 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 19:13:28,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:28,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325725985] [2025-03-17 19:13:28,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325725985] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:28,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204328030] [2025-03-17 19:13:28,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:28,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:28,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:28,114 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:28,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 19:13:28,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 19:13:28,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 19:13:28,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:28,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:28,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 19:13:28,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-17 19:13:28,602 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:28,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204328030] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:28,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:13:28,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-03-17 19:13:28,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178292198] [2025-03-17 19:13:28,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:28,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:13:28,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:28,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:13:28,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:13:28,603 INFO L87 Difference]: Start difference. First operand 663 states and 897 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:29,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:29,107 INFO L93 Difference]: Finished difference Result 1182 states and 1601 transitions. [2025-03-17 19:13:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:13:29,108 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2025-03-17 19:13:29,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:29,110 INFO L225 Difference]: With dead ends: 1182 [2025-03-17 19:13:29,110 INFO L226 Difference]: Without dead ends: 673 [2025-03-17 19:13:29,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:13:29,111 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 10 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:29,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1961 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 19:13:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2025-03-17 19:13:29,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 663. [2025-03-17 19:13:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 649 states have (on average 1.3605546995377504) internal successors, (883), 655 states have internal predecessors, (883), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:13:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 897 transitions. [2025-03-17 19:13:29,124 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 897 transitions. Word has length 107 [2025-03-17 19:13:29,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:29,124 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 897 transitions. [2025-03-17 19:13:29,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:29,124 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 897 transitions. [2025-03-17 19:13:29,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-17 19:13:29,126 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:29,126 INFO L218 NwaCegarLoop]: trace histogram [2, 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] [2025-03-17 19:13:29,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 19:13:29,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:29,326 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:29,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:29,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1897704479, now seen corresponding path program 1 times [2025-03-17 19:13:29,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:29,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434133608] [2025-03-17 19:13:29,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:29,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:29,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-17 19:13:29,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-17 19:13:29,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:29,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:29,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 19:13:29,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:29,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434133608] [2025-03-17 19:13:29,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434133608] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:29,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530027084] [2025-03-17 19:13:29,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:29,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:29,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:29,571 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:29,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 19:13:29,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-17 19:13:29,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-17 19:13:29,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:29,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:29,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-17 19:13:29,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:29,920 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 19:13:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 19:13:30,216 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:13:30,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 19:13:30,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530027084] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:13:30,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:13:30,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 9] total 17 [2025-03-17 19:13:30,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274076028] [2025-03-17 19:13:30,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:13:30,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-17 19:13:30,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:30,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-17 19:13:30,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2025-03-17 19:13:30,448 INFO L87 Difference]: Start difference. First operand 663 states and 897 transitions. Second operand has 17 states, 17 states have (on average 12.294117647058824) internal successors, (209), 17 states have internal predecessors, (209), 3 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 19:13:35,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-17 19:13:39,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-17 19:13:43,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-17 19:13:43,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:43,244 INFO L93 Difference]: Finished difference Result 1366 states and 1843 transitions. [2025-03-17 19:13:43,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-17 19:13:43,245 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.294117647058824) internal successors, (209), 17 states have internal predecessors, (209), 3 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 108 [2025-03-17 19:13:43,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:43,249 INFO L225 Difference]: With dead ends: 1366 [2025-03-17 19:13:43,249 INFO L226 Difference]: Without dead ends: 895 [2025-03-17 19:13:43,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 202 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=152, Invalid=604, Unknown=0, NotChecked=0, Total=756 [2025-03-17 19:13:43,250 INFO L435 NwaCegarLoop]: 485 mSDtfsCounter, 874 mSDsluCounter, 4343 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 27 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 4828 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:43,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 4828 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 731 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2025-03-17 19:13:43,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2025-03-17 19:13:43,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 747. [2025-03-17 19:13:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 728 states have (on average 1.364010989010989) internal successors, (993), 734 states have internal predecessors, (993), 7 states have call successors, (7), 4 states have call predecessors, (7), 6 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2025-03-17 19:13:43,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1014 transitions. [2025-03-17 19:13:43,281 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1014 transitions. Word has length 108 [2025-03-17 19:13:43,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:43,281 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1014 transitions. [2025-03-17 19:13:43,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.294117647058824) internal successors, (209), 17 states have internal predecessors, (209), 3 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 19:13:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1014 transitions. [2025-03-17 19:13:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 19:13:43,283 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:43,283 INFO L218 NwaCegarLoop]: trace histogram [6, 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] [2025-03-17 19:13:43,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-17 19:13:43,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:43,488 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:43,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:43,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1545551197, now seen corresponding path program 2 times [2025-03-17 19:13:43,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:43,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370580466] [2025-03-17 19:13:43,488 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:13:43,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:43,523 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-03-17 19:13:43,632 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 19:13:43,633 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:13:43,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:43,798 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-17 19:13:43,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:43,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370580466] [2025-03-17 19:13:43,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370580466] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:43,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616126350] [2025-03-17 19:13:43,798 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:13:43,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:43,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:43,800 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:43,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 19:13:44,082 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-03-17 19:13:44,090 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 112 statements. [2025-03-17 19:13:44,090 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:13:44,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:44,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 19:13:44,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:44,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2025-03-17 19:13:44,103 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-17 19:13:44,104 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:44,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616126350] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:44,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:13:44,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2025-03-17 19:13:44,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241672425] [2025-03-17 19:13:44,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:44,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:13:44,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:44,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:13:44,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:13:44,105 INFO L87 Difference]: Start difference. First operand 747 states and 1014 transitions. Second operand has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:44,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:44,180 INFO L93 Difference]: Finished difference Result 747 states and 1014 transitions. [2025-03-17 19:13:44,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:13:44,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 112 [2025-03-17 19:13:44,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:44,184 INFO L225 Difference]: With dead ends: 747 [2025-03-17 19:13:44,184 INFO L226 Difference]: Without dead ends: 746 [2025-03-17 19:13:44,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:13:44,185 INFO L435 NwaCegarLoop]: 430 mSDtfsCounter, 1 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:44,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 858 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:44,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2025-03-17 19:13:44,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 746. [2025-03-17 19:13:44,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 728 states have (on average 1.3626373626373627) internal successors, (992), 733 states have internal predecessors, (992), 7 states have call successors, (7), 4 states have call predecessors, (7), 6 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2025-03-17 19:13:44,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1013 transitions. [2025-03-17 19:13:44,200 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1013 transitions. Word has length 112 [2025-03-17 19:13:44,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:44,200 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1013 transitions. [2025-03-17 19:13:44,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:44,200 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1013 transitions. [2025-03-17 19:13:44,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-03-17 19:13:44,201 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:44,201 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 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] [2025-03-17 19:13:44,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 19:13:44,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:44,401 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:44,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:44,402 INFO L85 PathProgramCache]: Analyzing trace with hash 667447495, now seen corresponding path program 1 times [2025-03-17 19:13:44,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:44,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033037045] [2025-03-17 19:13:44,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:44,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:44,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 19:13:44,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 19:13:44,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:44,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-17 19:13:44,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:44,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033037045] [2025-03-17 19:13:44,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033037045] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:44,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793178797] [2025-03-17 19:13:44,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:44,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:44,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:44,670 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:44,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 19:13:44,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 19:13:45,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 19:13:45,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:45,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:45,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-17 19:13:45,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:45,052 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 19:13:45,106 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-17 19:13:45,107 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:13:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-17 19:13:45,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793178797] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:13:45,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:13:45,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 6] total 14 [2025-03-17 19:13:45,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271277390] [2025-03-17 19:13:45,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:13:45,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 19:13:45,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:45,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 19:13:45,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-03-17 19:13:45,197 INFO L87 Difference]: Start difference. First operand 746 states and 1013 transitions. Second operand has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 19:13:45,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:45,540 INFO L93 Difference]: Finished difference Result 1417 states and 1913 transitions. [2025-03-17 19:13:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 19:13:45,540 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 113 [2025-03-17 19:13:45,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:45,542 INFO L225 Difference]: With dead ends: 1417 [2025-03-17 19:13:45,542 INFO L226 Difference]: Without dead ends: 733 [2025-03-17 19:13:45,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2025-03-17 19:13:45,545 INFO L435 NwaCegarLoop]: 378 mSDtfsCounter, 417 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:45,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 2202 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 19:13:45,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2025-03-17 19:13:45,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 588. [2025-03-17 19:13:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 569 states have (on average 1.3233743409490335) internal successors, (753), 575 states have internal predecessors, (753), 7 states have call successors, (7), 4 states have call predecessors, (7), 7 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2025-03-17 19:13:45,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 773 transitions. [2025-03-17 19:13:45,562 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 773 transitions. Word has length 113 [2025-03-17 19:13:45,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:45,562 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 773 transitions. [2025-03-17 19:13:45,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 14 states have internal predecessors, (122), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 19:13:45,562 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 773 transitions. [2025-03-17 19:13:45,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-17 19:13:45,563 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:45,563 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 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] [2025-03-17 19:13:45,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 19:13:45,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-03-17 19:13:45,767 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:45,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:45,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1068751033, now seen corresponding path program 2 times [2025-03-17 19:13:45,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:45,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927807548] [2025-03-17 19:13:45,767 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:13:45,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:45,826 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 117 statements into 2 equivalence classes. [2025-03-17 19:13:45,964 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 117 of 117 statements. [2025-03-17 19:13:45,964 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:13:45,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-17 19:13:46,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:46,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927807548] [2025-03-17 19:13:46,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927807548] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:46,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871879690] [2025-03-17 19:13:46,239 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:13:46,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:46,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:46,241 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:46,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 19:13:46,528 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 117 statements into 2 equivalence classes. [2025-03-17 19:13:46,729 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 117 of 117 statements. [2025-03-17 19:13:46,730 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:13:46,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:46,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 142 conjuncts are in the unsatisfiable core [2025-03-17 19:13:46,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:46,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2025-03-17 19:13:46,832 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 13 treesize of output 9 [2025-03-17 19:13:46,859 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2025-03-17 19:13:46,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2025-03-17 19:13:46,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-03-17 19:13:46,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 22 treesize of output 10 [2025-03-17 19:13:46,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2025-03-17 19:13:47,086 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2025-03-17 19:13:47,086 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2025-03-17 19:13:47,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13 [2025-03-17 19:13:50,720 INFO L224 Elim1Store]: Index analysis took 125 ms