./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_SAX_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 19:16:22,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:16:22,453 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:16:22,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:16:22,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:16:22,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:16:22,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:16:22,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:16:22,471 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:16:22,471 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:16:22,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:16:22,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:16:22,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:16:22,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:16:22,472 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:16:22,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:16:22,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:16:22,472 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:16:22,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:16:22,473 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:16:22,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:16:22,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:16:22,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:16:22,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:16:22,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:16:22,474 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:16:22,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:16:22,474 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:16:22,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:16:22,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:16:22,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:16:22,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:16:22,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:16:22,474 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 19:16:22,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:16:22,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:16:22,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:16:22,733 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:16:22,734 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:16:22,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i [2025-03-17 19:16:23,877 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af9bf8a93/c08db6bca95c44b099b611b3e0bd9121/FLAG1b38607fd [2025-03-17 19:16:24,220 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:16:24,220 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-1.i [2025-03-17 19:16:24,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af9bf8a93/c08db6bca95c44b099b611b3e0bd9121/FLAG1b38607fd [2025-03-17 19:16:24,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af9bf8a93/c08db6bca95c44b099b611b3e0bd9121 [2025-03-17 19:16:24,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:16:24,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:16:24,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:16:24,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:16:24,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:16:24,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:24,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19cd0970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24, skipping insertion in model container [2025-03-17 19:16:24,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:24,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:16:24,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:16:24,773 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:16:24,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:16:24,891 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:16:24,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24 WrapperNode [2025-03-17 19:16:24,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:16:24,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:16:24,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:16:24,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:16:24,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:24,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:24,958 INFO L138 Inliner]: procedures = 177, calls = 274, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1397 [2025-03-17 19:16:24,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:16:24,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:16:24,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:16:24,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:16:24,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:24,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:24,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:25,029 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [34, 2, 218]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 54 writes are split as follows [4, 0, 50]. [2025-03-17 19:16:25,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:25,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:25,066 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:25,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:25,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:25,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:25,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:16:25,088 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:16:25,088 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:16:25,088 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:16:25,089 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (1/1) ... [2025-03-17 19:16:25,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:16:25,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:16:25,116 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 19:16:25,118 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 19:16:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:16:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:16:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 19:16:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 19:16:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 19:16:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:16:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:16:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 19:16:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 19:16:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 19:16:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 19:16:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 19:16:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 19:16:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 19:16:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 19:16:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:16:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:16:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:16:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 19:16:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 19:16:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 19:16:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 19:16:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 19:16:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:16:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:16:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:16:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 19:16:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:16:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:16:25,296 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:16:25,298 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:16:26,271 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 19:16:26,345 INFO L? ?]: Removed 322 outVars from TransFormulas that were not future-live. [2025-03-17 19:16:26,345 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:16:26,389 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:16:26,392 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 19:16:26,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:16:26 BoogieIcfgContainer [2025-03-17 19:16:26,392 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:16:26,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:16:26,394 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:16:26,397 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:16:26,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:16:24" (1/3) ... [2025-03-17 19:16:26,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6a5ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:16:26, skipping insertion in model container [2025-03-17 19:16:26,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:16:24" (2/3) ... [2025-03-17 19:16:26,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6a5ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:16:26, skipping insertion in model container [2025-03-17 19:16:26,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:16:26" (3/3) ... [2025-03-17 19:16:26,400 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test3-1.i [2025-03-17 19:16:26,409 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:16:26,411 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_nondet_test3-1.i that has 5 procedures, 414 locations, 1 initial locations, 36 loop locations, and 6 error locations. [2025-03-17 19:16:26,457 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:16:26,467 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;@77eebf7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:16:26,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-17 19:16:26,472 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 19:16:26,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 19:16:26,477 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:26,477 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:16:26,478 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 19:16:26,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:26,482 INFO L85 PathProgramCache]: Analyzing trace with hash 676604263, now seen corresponding path program 1 times [2025-03-17 19:16:26,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:26,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53617578] [2025-03-17 19:16:26,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:26,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:26,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 19:16:26,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 19:16:26,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:26,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:26,631 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 19:16:26,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:26,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53617578] [2025-03-17 19:16:26,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53617578] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:26,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:26,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:16:26,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678845406] [2025-03-17 19:16:26,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:26,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 19:16:26,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:26,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 19:16:26,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 19:16:26,652 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 19:16:26,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:26,754 INFO L93 Difference]: Finished difference Result 809 states and 1292 transitions. [2025-03-17 19:16:26,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 19:16:26,757 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 19:16:26,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:26,764 INFO L225 Difference]: With dead ends: 809 [2025-03-17 19:16:26,765 INFO L226 Difference]: Without dead ends: 397 [2025-03-17 19:16:26,770 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 19:16:26,773 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 19:16:26,773 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 19:16:26,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-03-17 19:16:26,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2025-03-17 19:16:26,814 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 19:16:26,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 571 transitions. [2025-03-17 19:16:26,820 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 571 transitions. Word has length 7 [2025-03-17 19:16:26,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:26,821 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 571 transitions. [2025-03-17 19:16:26,821 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 19:16:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 571 transitions. [2025-03-17 19:16:26,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 19:16:26,821 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:26,821 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:16:26,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:16:26,822 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 19:16:26,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:26,823 INFO L85 PathProgramCache]: Analyzing trace with hash 676605224, now seen corresponding path program 1 times [2025-03-17 19:16:26,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:26,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907277224] [2025-03-17 19:16:26,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:26,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:26,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 19:16:26,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 19:16:26,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:26,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 19:16:26,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [365968950] [2025-03-17 19:16:26,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:26,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:16:26,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:16:26,851 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 19:16:26,853 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 19:16:26,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 19:16:26,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 19:16:26,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:26,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:26,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 19:16:26,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:16:26,996 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 19:16:27,029 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 19:16:27,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:16:27,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:27,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907277224] [2025-03-17 19:16:27,030 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 19:16:27,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365968950] [2025-03-17 19:16:27,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365968950] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:27,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:27,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:16:27,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180503729] [2025-03-17 19:16:27,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:27,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:16:27,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:27,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:16:27,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:16:27,033 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 19:16:27,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:27,255 INFO L93 Difference]: Finished difference Result 784 states and 1133 transitions. [2025-03-17 19:16:27,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:16:27,256 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 19:16:27,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:27,260 INFO L225 Difference]: With dead ends: 784 [2025-03-17 19:16:27,260 INFO L226 Difference]: Without dead ends: 782 [2025-03-17 19:16:27,261 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 19:16:27,261 INFO L435 NwaCegarLoop]: 506 mSDtfsCounter, 547 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 19:16:27,261 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 19:16:27,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2025-03-17 19:16:27,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 403. [2025-03-17 19:16:27,289 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 19:16:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 578 transitions. [2025-03-17 19:16:27,291 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 578 transitions. Word has length 7 [2025-03-17 19:16:27,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:27,291 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 578 transitions. [2025-03-17 19:16:27,291 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 19:16:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 578 transitions. [2025-03-17 19:16:27,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 19:16:27,294 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:27,294 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 19:16:27,301 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 19:16:27,500 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 19:16:27,500 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 19:16:27,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:27,500 INFO L85 PathProgramCache]: Analyzing trace with hash 504694518, now seen corresponding path program 1 times [2025-03-17 19:16:27,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:27,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085034561] [2025-03-17 19:16:27,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:27,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:27,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 19:16:27,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 19:16:27,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:27,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:27,769 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 19:16:27,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:27,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085034561] [2025-03-17 19:16:27,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085034561] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:27,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:27,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:16:27,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359219093] [2025-03-17 19:16:27,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:27,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:16:27,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:27,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:16:27,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:16:27,771 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 19:16:27,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:27,882 INFO L93 Difference]: Finished difference Result 551 states and 788 transitions. [2025-03-17 19:16:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 19:16:27,883 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 19:16:27,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:27,884 INFO L225 Difference]: With dead ends: 551 [2025-03-17 19:16:27,884 INFO L226 Difference]: Without dead ends: 361 [2025-03-17 19:16:27,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:16:27,885 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 19:16:27,885 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 19:16:27,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-03-17 19:16:27,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2025-03-17 19:16:27,895 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 19:16:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 501 transitions. [2025-03-17 19:16:27,897 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 501 transitions. Word has length 68 [2025-03-17 19:16:27,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:27,898 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 501 transitions. [2025-03-17 19:16:27,898 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 19:16:27,898 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 501 transitions. [2025-03-17 19:16:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 19:16:27,901 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:27,901 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 19:16:27,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:16:27,902 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 19:16:27,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:27,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1729224148, now seen corresponding path program 1 times [2025-03-17 19:16:27,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:27,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557839355] [2025-03-17 19:16:27,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:27,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:27,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 19:16:27,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 19:16:27,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:27,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:28,010 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 19:16:28,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:28,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557839355] [2025-03-17 19:16:28,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557839355] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:28,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:28,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:16:28,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955702073] [2025-03-17 19:16:28,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:28,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:16:28,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:28,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:16:28,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:16:28,012 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 19:16:28,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:28,114 INFO L93 Difference]: Finished difference Result 503 states and 694 transitions. [2025-03-17 19:16:28,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 19:16:28,115 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 19:16:28,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:28,116 INFO L225 Difference]: With dead ends: 503 [2025-03-17 19:16:28,116 INFO L226 Difference]: Without dead ends: 355 [2025-03-17 19:16:28,116 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:16:28,118 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 19:16:28,118 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 19:16:28,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-03-17 19:16:28,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2025-03-17 19:16:28,126 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 19:16:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 491 transitions. [2025-03-17 19:16:28,127 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 491 transitions. Word has length 68 [2025-03-17 19:16:28,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:28,128 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 491 transitions. [2025-03-17 19:16:28,128 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 19:16:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 491 transitions. [2025-03-17 19:16:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 19:16:28,129 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:28,129 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 19:16:28,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:16:28,129 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 19:16:28,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:28,129 INFO L85 PathProgramCache]: Analyzing trace with hash 371979824, now seen corresponding path program 1 times [2025-03-17 19:16:28,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:28,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064842658] [2025-03-17 19:16:28,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:28,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:28,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 19:16:28,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 19:16:28,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:28,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:28,233 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 19:16:28,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:28,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064842658] [2025-03-17 19:16:28,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064842658] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:28,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:28,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:16:28,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314795025] [2025-03-17 19:16:28,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:28,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:16:28,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:28,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:16:28,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:16:28,235 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 19:16:28,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:28,305 INFO L93 Difference]: Finished difference Result 497 states and 680 transitions. [2025-03-17 19:16:28,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:16:28,306 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 19:16:28,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:28,307 INFO L225 Difference]: With dead ends: 497 [2025-03-17 19:16:28,308 INFO L226 Difference]: Without dead ends: 350 [2025-03-17 19:16:28,309 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 19:16:28,310 INFO L435 NwaCegarLoop]: 449 mSDtfsCounter, 0 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 19:16:28,310 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 19:16:28,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2025-03-17 19:16:28,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2025-03-17 19:16:28,318 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 19:16:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 485 transitions. [2025-03-17 19:16:28,320 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 485 transitions. Word has length 68 [2025-03-17 19:16:28,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:28,320 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 485 transitions. [2025-03-17 19:16:28,320 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 19:16:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 485 transitions. [2025-03-17 19:16:28,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-17 19:16:28,321 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:28,322 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 19:16:28,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 19:16:28,322 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 19:16:28,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:28,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1073666762, now seen corresponding path program 1 times [2025-03-17 19:16:28,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:28,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602747995] [2025-03-17 19:16:28,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:28,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:28,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 19:16:28,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 19:16:28,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:28,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:28,402 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 19:16:28,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:28,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602747995] [2025-03-17 19:16:28,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602747995] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:28,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:28,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:16:28,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031042135] [2025-03-17 19:16:28,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:28,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:16:28,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:28,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:16:28,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:16:28,403 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 19:16:28,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:28,482 INFO L93 Difference]: Finished difference Result 494 states and 676 transitions. [2025-03-17 19:16:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:16:28,483 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 19:16:28,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:28,484 INFO L225 Difference]: With dead ends: 494 [2025-03-17 19:16:28,484 INFO L226 Difference]: Without dead ends: 350 [2025-03-17 19:16:28,485 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 19:16:28,485 INFO L435 NwaCegarLoop]: 444 mSDtfsCounter, 15 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 19:16:28,485 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 19:16:28,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2025-03-17 19:16:28,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2025-03-17 19:16:28,495 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 19:16:28,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 481 transitions. [2025-03-17 19:16:28,497 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 481 transitions. Word has length 69 [2025-03-17 19:16:28,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:28,497 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 481 transitions. [2025-03-17 19:16:28,497 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 19:16:28,498 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 481 transitions. [2025-03-17 19:16:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 19:16:28,499 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:28,499 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 19:16:28,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 19:16:28,499 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 19:16:28,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:28,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1321108760, now seen corresponding path program 1 times [2025-03-17 19:16:28,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:28,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086619921] [2025-03-17 19:16:28,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:28,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:28,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 19:16:28,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 19:16:28,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:28,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:28,645 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 19:16:28,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:28,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086619921] [2025-03-17 19:16:28,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086619921] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:28,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:28,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:16:28,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881459628] [2025-03-17 19:16:28,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:28,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:16:28,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:28,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:16:28,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:16:28,647 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 19:16:28,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:28,745 INFO L93 Difference]: Finished difference Result 695 states and 956 transitions. [2025-03-17 19:16:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:16:28,746 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 19:16:28,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:28,747 INFO L225 Difference]: With dead ends: 695 [2025-03-17 19:16:28,747 INFO L226 Difference]: Without dead ends: 353 [2025-03-17 19:16:28,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:16:28,748 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 19:16:28,748 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 19:16:28,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2025-03-17 19:16:28,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 350. [2025-03-17 19:16:28,753 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 19:16:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 474 transitions. [2025-03-17 19:16:28,754 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 474 transitions. Word has length 79 [2025-03-17 19:16:28,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:28,754 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 474 transitions. [2025-03-17 19:16:28,755 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 19:16:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 474 transitions. [2025-03-17 19:16:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 19:16:28,755 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:28,755 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 19:16:28,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 19:16:28,755 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 19:16:28,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:28,756 INFO L85 PathProgramCache]: Analyzing trace with hash -64834959, now seen corresponding path program 1 times [2025-03-17 19:16:28,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:28,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140227766] [2025-03-17 19:16:28,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:28,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:28,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 19:16:28,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 19:16:28,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:28,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:28,922 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 19:16:28,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:28,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140227766] [2025-03-17 19:16:28,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140227766] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:28,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:28,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:16:28,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414724266] [2025-03-17 19:16:28,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:28,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:16:28,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:28,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:16:28,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:16:28,925 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 19:16:29,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:29,053 INFO L93 Difference]: Finished difference Result 905 states and 1239 transitions. [2025-03-17 19:16:29,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:16:29,054 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 19:16:29,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:29,056 INFO L225 Difference]: With dead ends: 905 [2025-03-17 19:16:29,056 INFO L226 Difference]: Without dead ends: 483 [2025-03-17 19:16:29,057 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 19:16:29,059 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 19:16:29,059 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 19:16:29,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2025-03-17 19:16:29,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 481. [2025-03-17 19:16:29,069 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 19:16:29,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 664 transitions. [2025-03-17 19:16:29,071 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 664 transitions. Word has length 79 [2025-03-17 19:16:29,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:29,072 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 664 transitions. [2025-03-17 19:16:29,072 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 19:16:29,072 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 664 transitions. [2025-03-17 19:16:29,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 19:16:29,072 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:29,073 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 19:16:29,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 19:16:29,073 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 19:16:29,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:29,073 INFO L85 PathProgramCache]: Analyzing trace with hash -139149631, now seen corresponding path program 1 times [2025-03-17 19:16:29,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:29,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450483508] [2025-03-17 19:16:29,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:29,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:29,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 19:16:29,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 19:16:29,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:29,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:29,372 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 19:16:29,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:29,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450483508] [2025-03-17 19:16:29,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450483508] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:29,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:29,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:16:29,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552217878] [2025-03-17 19:16:29,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:29,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:16:29,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:29,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:16:29,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:16:29,375 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 19:16:29,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:29,499 INFO L93 Difference]: Finished difference Result 689 states and 935 transitions. [2025-03-17 19:16:29,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:16:29,500 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 19:16:29,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:29,502 INFO L225 Difference]: With dead ends: 689 [2025-03-17 19:16:29,503 INFO L226 Difference]: Without dead ends: 687 [2025-03-17 19:16:29,503 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 19:16:29,504 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 19:16:29,504 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 19:16:29,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2025-03-17 19:16:29,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 544. [2025-03-17 19:16:29,514 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 19:16:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 747 transitions. [2025-03-17 19:16:29,516 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 747 transitions. Word has length 94 [2025-03-17 19:16:29,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:29,516 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 747 transitions. [2025-03-17 19:16:29,516 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 19:16:29,517 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 747 transitions. [2025-03-17 19:16:29,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-17 19:16:29,517 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:29,517 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 19:16:29,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 19:16:29,518 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 19:16:29,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:29,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1599333328, now seen corresponding path program 1 times [2025-03-17 19:16:29,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:29,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055748116] [2025-03-17 19:16:29,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:29,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:29,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 19:16:29,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 19:16:29,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:29,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:16:29,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:29,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055748116] [2025-03-17 19:16:29,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055748116] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:16:29,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547371875] [2025-03-17 19:16:29,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:29,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:16:29,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:16:29,830 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 19:16:29,831 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 19:16:29,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 19:16:30,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 19:16:30,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:30,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:30,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-17 19:16:30,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:16:30,075 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 19:16:30,103 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 19:16:30,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-03-17 19:16:30,711 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:16:30,711 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:16:30,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547371875] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:30,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:16:30,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-03-17 19:16:30,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600392914] [2025-03-17 19:16:30,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:30,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 19:16:30,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:30,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 19:16:30,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-17 19:16:30,713 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 19:16:32,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:32,060 INFO L93 Difference]: Finished difference Result 1193 states and 1621 transitions. [2025-03-17 19:16:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 19:16:32,061 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 19:16:32,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:32,063 INFO L225 Difference]: With dead ends: 1193 [2025-03-17 19:16:32,063 INFO L226 Difference]: Without dead ends: 735 [2025-03-17 19:16:32,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 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 19:16:32,064 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 19:16:32,064 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 19:16:32,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2025-03-17 19:16:32,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 569. [2025-03-17 19:16:32,074 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 19:16:32,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 777 transitions. [2025-03-17 19:16:32,076 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 777 transitions. Word has length 100 [2025-03-17 19:16:32,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:32,076 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 777 transitions. [2025-03-17 19:16:32,077 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 19:16:32,077 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 777 transitions. [2025-03-17 19:16:32,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 19:16:32,077 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:32,077 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 19:16:32,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 19:16:32,278 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 19:16:32,278 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 19:16:32,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:32,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1135561822, now seen corresponding path program 1 times [2025-03-17 19:16:32,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:32,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644353976] [2025-03-17 19:16:32,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:32,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:32,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 19:16:32,396 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 19:16:32,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:32,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:16:32,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:32,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644353976] [2025-03-17 19:16:32,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644353976] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:16:32,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728710351] [2025-03-17 19:16:32,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:32,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:16:32,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:16:32,516 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:16:32,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 19:16:32,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 19:16:32,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 19:16:32,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:32,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:32,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-03-17 19:16:32,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:16:32,912 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 19:16:32,935 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 19:16:32,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-03-17 19:16:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:16:33,527 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:16:33,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728710351] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:33,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:16:33,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4] total 15 [2025-03-17 19:16:33,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852460060] [2025-03-17 19:16:33,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:33,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 19:16:33,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:33,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 19:16:33,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2025-03-17 19:16:33,529 INFO L87 Difference]: Start difference. First operand 569 states and 777 transitions. Second operand has 13 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 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 19:16:34,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:34,905 INFO L93 Difference]: Finished difference Result 1240 states and 1684 transitions. [2025-03-17 19:16:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 19:16:34,906 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 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 19:16:34,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:34,909 INFO L225 Difference]: With dead ends: 1240 [2025-03-17 19:16:34,909 INFO L226 Difference]: Without dead ends: 787 [2025-03-17 19:16:34,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2025-03-17 19:16:34,910 INFO L435 NwaCegarLoop]: 396 mSDtfsCounter, 1094 mSDsluCounter, 1660 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 2056 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:16:34,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 2056 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-17 19:16:34,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2025-03-17 19:16:34,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 604. [2025-03-17 19:16:34,923 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 19:16:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 822 transitions. [2025-03-17 19:16:34,926 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 822 transitions. Word has length 101 [2025-03-17 19:16:34,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:34,927 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 822 transitions. [2025-03-17 19:16:34,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 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 19:16:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 822 transitions. [2025-03-17 19:16:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-17 19:16:34,928 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:34,928 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 19:16:34,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 19:16:35,128 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 19:16:35,129 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 19:16:35,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:35,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1315279187, now seen corresponding path program 1 times [2025-03-17 19:16:35,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:35,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082372464] [2025-03-17 19:16:35,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:35,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:35,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 19:16:35,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 19:16:35,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:35,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:16:35,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:35,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082372464] [2025-03-17 19:16:35,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082372464] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:35,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:35,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 19:16:35,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877956910] [2025-03-17 19:16:35,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:35,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:16:35,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:35,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:16:35,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:16:35,375 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 19:16:35,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:35,784 INFO L93 Difference]: Finished difference Result 1111 states and 1514 transitions. [2025-03-17 19:16:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 19:16:35,785 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 19:16:35,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:35,787 INFO L225 Difference]: With dead ends: 1111 [2025-03-17 19:16:35,787 INFO L226 Difference]: Without dead ends: 626 [2025-03-17 19:16:35,787 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 19:16:35,788 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 9 mSDsluCounter, 1228 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1654 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:16:35,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1654 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:16:35,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2025-03-17 19:16:35,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 622. [2025-03-17 19:16:35,798 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 19:16:35,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 847 transitions. [2025-03-17 19:16:35,801 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 847 transitions. Word has length 102 [2025-03-17 19:16:35,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:35,801 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 847 transitions. [2025-03-17 19:16:35,802 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 19:16:35,802 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 847 transitions. [2025-03-17 19:16:35,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-17 19:16:35,802 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:35,802 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 19:16:35,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 19:16:35,803 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 19:16:35,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:35,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1491466089, now seen corresponding path program 1 times [2025-03-17 19:16:35,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:35,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965034032] [2025-03-17 19:16:35,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:35,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:35,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 19:16:35,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 19:16:35,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:35,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:36,023 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:16:36,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:36,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965034032] [2025-03-17 19:16:36,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965034032] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:36,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:36,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 19:16:36,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787696334] [2025-03-17 19:16:36,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:36,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:16:36,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:36,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:16:36,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:16:36,026 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 19:16:36,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:36,481 INFO L93 Difference]: Finished difference Result 1136 states and 1549 transitions. [2025-03-17 19:16:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:16:36,481 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 19:16:36,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:36,483 INFO L225 Difference]: With dead ends: 1136 [2025-03-17 19:16:36,483 INFO L226 Difference]: Without dead ends: 644 [2025-03-17 19:16:36,484 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 19:16:36,484 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, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:16:36,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1954 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:16:36,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2025-03-17 19:16:36,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 638. [2025-03-17 19:16:36,496 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 19:16:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 869 transitions. [2025-03-17 19:16:36,497 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 869 transitions. Word has length 102 [2025-03-17 19:16:36,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:36,498 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 869 transitions. [2025-03-17 19:16:36,498 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 19:16:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 869 transitions. [2025-03-17 19:16:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-17 19:16:36,499 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:36,499 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 19:16:36,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 19:16:36,500 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 19:16:36,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:36,501 INFO L85 PathProgramCache]: Analyzing trace with hash 3077064, now seen corresponding path program 1 times [2025-03-17 19:16:36,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:36,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754025280] [2025-03-17 19:16:36,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:36,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:36,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 19:16:36,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 19:16:36,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:36,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:16:36,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:36,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754025280] [2025-03-17 19:16:36,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754025280] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:16:36,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502525301] [2025-03-17 19:16:36,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:36,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:16:36,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:16:36,723 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 19:16:36,725 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 19:16:36,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 19:16:37,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 19:16:37,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:37,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:37,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 19:16:37,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:16:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:16:53,788 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:16:53,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502525301] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:53,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:16:53,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-03-17 19:16:53,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364885714] [2025-03-17 19:16:53,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:53,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:16:53,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:53,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:16:53,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:16:53,789 INFO L87 Difference]: Start difference. First operand 638 states and 869 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:16:55,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-17 19:16:56,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-17 19:16:57,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:57,829 INFO L93 Difference]: Finished difference Result 1158 states and 1579 transitions. [2025-03-17 19:16:57,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:16:57,830 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2025-03-17 19:16:57,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:57,832 INFO L225 Difference]: With dead ends: 1158 [2025-03-17 19:16:57,832 INFO L226 Difference]: Without dead ends: 644 [2025-03-17 19:16:57,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:16:57,833 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 12 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-03-17 19:16:57,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1961 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2025-03-17 19:16:57,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2025-03-17 19:16:57,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 620. [2025-03-17 19:16:57,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 607 states have (on average 1.3673805601317957) internal successors, (830), 612 states have internal predecessors, (830), 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 19:16:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 842 transitions. [2025-03-17 19:16:57,845 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 842 transitions. Word has length 103 [2025-03-17 19:16:57,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:57,845 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 842 transitions. [2025-03-17 19:16:57,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:16:57,845 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 842 transitions. [2025-03-17 19:16:57,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-17 19:16:57,846 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:57,846 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:16:57,856 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 19:16:58,046 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 19:16:58,047 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 19:16:58,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:58,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1670321050, now seen corresponding path program 1 times [2025-03-17 19:16:58,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:58,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498500896] [2025-03-17 19:16:58,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:58,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:58,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-17 19:16:58,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-17 19:16:58,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:58,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:16:58,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:58,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498500896] [2025-03-17 19:16:58,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498500896] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:58,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:16:58,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:16:58,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421967414] [2025-03-17 19:16:58,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:58,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:16:58,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:58,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:16:58,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:16:58,328 INFO L87 Difference]: Start difference. First operand 620 states and 842 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:16:58,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:58,818 INFO L93 Difference]: Finished difference Result 1127 states and 1528 transitions. [2025-03-17 19:16:58,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 19:16:58,819 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2025-03-17 19:16:58,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:58,821 INFO L225 Difference]: With dead ends: 1127 [2025-03-17 19:16:58,821 INFO L226 Difference]: Without dead ends: 646 [2025-03-17 19:16:58,821 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 19:16:58,822 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, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 19:16:58,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2402 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 19:16:58,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2025-03-17 19:16:58,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 634. [2025-03-17 19:16:58,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 621 states have (on average 1.3655394524959743) internal successors, (848), 626 states have internal predecessors, (848), 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 19:16:58,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 860 transitions. [2025-03-17 19:16:58,834 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 860 transitions. Word has length 104 [2025-03-17 19:16:58,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:58,834 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 860 transitions. [2025-03-17 19:16:58,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:16:58,834 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 860 transitions. [2025-03-17 19:16:58,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-17 19:16:58,835 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:58,835 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:16:58,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 19:16:58,835 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 19:16:58,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:16:58,836 INFO L85 PathProgramCache]: Analyzing trace with hash 343955356, now seen corresponding path program 1 times [2025-03-17 19:16:58,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:16:58,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17425240] [2025-03-17 19:16:58,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:58,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:16:58,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-17 19:16:58,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-17 19:16:58,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:58,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:16:59,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:16:59,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17425240] [2025-03-17 19:16:59,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17425240] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:16:59,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292472308] [2025-03-17 19:16:59,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:16:59,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:16:59,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:16:59,061 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 19:16:59,062 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 19:16:59,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-17 19:16:59,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-17 19:16:59,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:16:59,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:16:59,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 19:16:59,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:16:59,440 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:16:59,441 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:16:59,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292472308] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:16:59,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:16:59,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2025-03-17 19:16:59,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681835417] [2025-03-17 19:16:59,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:16:59,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 19:16:59,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:16:59,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 19:16:59,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:16:59,442 INFO L87 Difference]: Start difference. First operand 634 states and 860 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:16:59,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:16:59,932 INFO L93 Difference]: Finished difference Result 1152 states and 1559 transitions. [2025-03-17 19:16:59,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 19:16:59,932 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2025-03-17 19:16:59,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:16:59,934 INFO L225 Difference]: With dead ends: 1152 [2025-03-17 19:16:59,934 INFO L226 Difference]: Without dead ends: 664 [2025-03-17 19:16:59,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-03-17 19:16:59,935 INFO L435 NwaCegarLoop]: 423 mSDtfsCounter, 40 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 19:16:59,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2080 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 19:16:59,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2025-03-17 19:16:59,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 644. [2025-03-17 19:16:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 631 states have (on average 1.3629160063391441) internal successors, (860), 636 states have internal predecessors, (860), 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 19:16:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 872 transitions. [2025-03-17 19:16:59,947 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 872 transitions. Word has length 104 [2025-03-17 19:16:59,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:16:59,948 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 872 transitions. [2025-03-17 19:16:59,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:16:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 872 transitions. [2025-03-17 19:16:59,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-17 19:16:59,948 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:16:59,948 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:16:59,956 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 19:17:00,149 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,SelfDestructingSolverStorable15 [2025-03-17 19:17:00,149 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 19:17:00,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:17:00,149 INFO L85 PathProgramCache]: Analyzing trace with hash 2057445527, now seen corresponding path program 1 times [2025-03-17 19:17:00,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:17:00,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605272616] [2025-03-17 19:17:00,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:00,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:17:00,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 19:17:00,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 19:17:00,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:00,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:00,439 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 19:17:00,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:17:00,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605272616] [2025-03-17 19:17:00,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605272616] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:17:00,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:17:00,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-17 19:17:00,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206115427] [2025-03-17 19:17:00,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:17:00,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:17:00,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:17:00,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:17:00,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:17:00,441 INFO L87 Difference]: Start difference. First operand 644 states and 872 transitions. Second operand has 10 states, 10 states have (on average 9.8) internal successors, (98), 10 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:17:00,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:17:00,963 INFO L93 Difference]: Finished difference Result 1160 states and 1571 transitions. [2025-03-17 19:17:00,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 19:17:00,963 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 10 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2025-03-17 19:17:00,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:17:00,965 INFO L225 Difference]: With dead ends: 1160 [2025-03-17 19:17:00,965 INFO L226 Difference]: Without dead ends: 662 [2025-03-17 19:17:00,966 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 19:17:00,966 INFO L435 NwaCegarLoop]: 423 mSDtfsCounter, 26 mSDsluCounter, 1929 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2352 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 19:17:00,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2352 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1062 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 19:17:00,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2025-03-17 19:17:00,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 650. [2025-03-17 19:17:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 637 states have (on average 1.359497645211931) internal successors, (866), 642 states have internal predecessors, (866), 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 19:17:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 878 transitions. [2025-03-17 19:17:00,980 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 878 transitions. Word has length 105 [2025-03-17 19:17:00,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:17:00,980 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 878 transitions. [2025-03-17 19:17:00,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 10 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:17:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 878 transitions. [2025-03-17 19:17:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-17 19:17:00,981 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:17:00,981 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:17:00,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-17 19:17:00,981 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 19:17:00,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:17:00,982 INFO L85 PathProgramCache]: Analyzing trace with hash 75504673, now seen corresponding path program 1 times [2025-03-17 19:17:00,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:17:00,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401479634] [2025-03-17 19:17:00,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:00,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:17:01,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 19:17:01,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 19:17:01,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:01,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:01,188 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 19:17:01,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:17:01,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401479634] [2025-03-17 19:17:01,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401479634] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:17:01,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020671746] [2025-03-17 19:17:01,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:01,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:17:01,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:17:01,191 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 19:17:01,195 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 19:17:01,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 19:17:01,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 19:17:01,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:01,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:01,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 19:17:01,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:17:02,005 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 19:17:02,005 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:17:02,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020671746] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:17:02,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:17:02,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2025-03-17 19:17:02,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741075948] [2025-03-17 19:17:02,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:17:02,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 19:17:02,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:17:02,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 19:17:02,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-03-17 19:17:02,007 INFO L87 Difference]: Start difference. First operand 650 states and 878 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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 19:17:02,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:17:02,751 INFO L93 Difference]: Finished difference Result 1155 states and 1559 transitions. [2025-03-17 19:17:02,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:17:02,751 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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 105 [2025-03-17 19:17:02,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:17:02,753 INFO L225 Difference]: With dead ends: 1155 [2025-03-17 19:17:02,753 INFO L226 Difference]: Without dead ends: 654 [2025-03-17 19:17:02,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-03-17 19:17:02,754 INFO L435 NwaCegarLoop]: 421 mSDtfsCounter, 11 mSDsluCounter, 2776 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3197 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 19:17:02,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3197 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 19:17:02,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2025-03-17 19:17:02,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 646. [2025-03-17 19:17:02,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 633 states have (on average 1.3586097946287519) internal successors, (860), 638 states have internal predecessors, (860), 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 19:17:02,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 872 transitions. [2025-03-17 19:17:02,765 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 872 transitions. Word has length 105 [2025-03-17 19:17:02,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:17:02,765 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 872 transitions. [2025-03-17 19:17:02,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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 19:17:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 872 transitions. [2025-03-17 19:17:02,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-17 19:17:02,766 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:17:02,766 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:17:02,774 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 19:17:02,970 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 19:17:02,970 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 19:17:02,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:17:02,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1745316159, now seen corresponding path program 1 times [2025-03-17 19:17:02,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:17:02,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991988670] [2025-03-17 19:17:02,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:02,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:17:03,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 19:17:03,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 19:17:03,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:03,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:03,181 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 19:17:03,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:17:03,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991988670] [2025-03-17 19:17:03,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991988670] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:17:03,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124701039] [2025-03-17 19:17:03,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:03,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:17:03,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:17:03,185 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 19:17:03,187 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 19:17:03,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 19:17:03,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 19:17:03,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:03,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:03,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 19:17:03,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:17:03,539 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 19:17:03,539 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:17:03,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124701039] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:17:03,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:17:03,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-03-17 19:17:03,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353761982] [2025-03-17 19:17:03,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:17:03,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:17:03,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:17:03,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:17:03,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:17:03,540 INFO L87 Difference]: Start difference. First operand 646 states and 872 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:17:03,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:17:03,884 INFO L93 Difference]: Finished difference Result 1168 states and 1579 transitions. [2025-03-17 19:17:03,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 19:17:03,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2025-03-17 19:17:03,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:17:03,887 INFO L225 Difference]: With dead ends: 1168 [2025-03-17 19:17:03,887 INFO L226 Difference]: Without dead ends: 674 [2025-03-17 19:17:03,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-17 19:17:03,888 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, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 19:17:03,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 2033 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 19:17:03,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2025-03-17 19:17:03,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 660. [2025-03-17 19:17:03,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 647 states have (on average 1.3601236476043277) internal successors, (880), 652 states have internal predecessors, (880), 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 19:17:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 892 transitions. [2025-03-17 19:17:03,899 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 892 transitions. Word has length 105 [2025-03-17 19:17:03,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:17:03,899 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 892 transitions. [2025-03-17 19:17:03,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:17:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 892 transitions. [2025-03-17 19:17:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-17 19:17:03,900 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:17:03,900 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:17:03,908 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 19:17:04,101 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 19:17:04,101 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 19:17:04,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:17:04,101 INFO L85 PathProgramCache]: Analyzing trace with hash -148238587, now seen corresponding path program 1 times [2025-03-17 19:17:04,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:17:04,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072680941] [2025-03-17 19:17:04,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:04,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:17:04,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 19:17:04,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 19:17:04,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:04,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:04,260 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 19:17:04,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:17:04,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072680941] [2025-03-17 19:17:04,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072680941] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:17:04,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393609079] [2025-03-17 19:17:04,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:04,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:17:04,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:17:04,262 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 19:17:04,264 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 19:17:04,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 19:17:04,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 19:17:04,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:04,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:04,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 19:17:04,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:17:04,716 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 19:17:04,753 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 19:17:04,753 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:17:04,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393609079] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:17:04,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:17:04,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 7 [2025-03-17 19:17:04,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237128165] [2025-03-17 19:17:04,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:17:04,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:17:04,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:17:04,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:17:04,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:17:04,754 INFO L87 Difference]: Start difference. First operand 660 states and 892 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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 19:17:04,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:17:04,908 INFO L93 Difference]: Finished difference Result 1129 states and 1525 transitions. [2025-03-17 19:17:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 19:17:04,908 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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 105 [2025-03-17 19:17:04,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:17:04,912 INFO L225 Difference]: With dead ends: 1129 [2025-03-17 19:17:04,913 INFO L226 Difference]: Without dead ends: 663 [2025-03-17 19:17:04,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 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 19:17:04,914 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, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:17:04,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 2256 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:17:04,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2025-03-17 19:17:04,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 663. [2025-03-17 19:17:04,927 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 19:17:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 897 transitions. [2025-03-17 19:17:04,929 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 897 transitions. Word has length 105 [2025-03-17 19:17:04,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:17:04,929 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 897 transitions. [2025-03-17 19:17:04,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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 19:17:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 897 transitions. [2025-03-17 19:17:04,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-17 19:17:04,930 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:17:04,930 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 19:17:04,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-17 19:17:05,130 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 19:17:05,130 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 19:17:05,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:17:05,131 INFO L85 PathProgramCache]: Analyzing trace with hash 245345737, now seen corresponding path program 1 times [2025-03-17 19:17:05,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:17:05,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607690071] [2025-03-17 19:17:05,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:05,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:17:05,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 19:17:05,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 19:17:05,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:05,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:05,371 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 19:17:05,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:17:05,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607690071] [2025-03-17 19:17:05,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607690071] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:17:05,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120215136] [2025-03-17 19:17:05,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:05,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:17:05,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:17:05,374 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 19:17:05,376 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 19:17:05,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 19:17:05,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 19:17:05,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:05,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:05,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-17 19:17:05,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:17:05,844 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 19:17:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:17:06,089 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:17:06,277 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 19:17:06,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120215136] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:17:06,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:17:06,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 9] total 17 [2025-03-17 19:17:06,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008742033] [2025-03-17 19:17:06,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:17:06,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-17 19:17:06,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:17:06,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-17 19:17:06,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2025-03-17 19:17:06,278 INFO L87 Difference]: Start difference. First operand 663 states and 897 transitions. Second operand has 17 states, 17 states have (on average 12.117647058823529) internal successors, (206), 16 states have internal predecessors, (206), 4 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) [2025-03-17 19:17:10,931 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 19:17:14,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-17 19:17:18,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-17 19:17:22,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-17 19:17:26,984 WARN L539 Checker$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 19:17:27,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:17:27,111 INFO L93 Difference]: Finished difference Result 1368 states and 1839 transitions. [2025-03-17 19:17:27,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-17 19:17:27,112 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.117647058823529) internal successors, (206), 16 states have internal predecessors, (206), 4 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) Word has length 107 [2025-03-17 19:17:27,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:17:27,115 INFO L225 Difference]: With dead ends: 1368 [2025-03-17 19:17:27,115 INFO L226 Difference]: Without dead ends: 897 [2025-03-17 19:17:27,116 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2025-03-17 19:17:27,116 INFO L435 NwaCegarLoop]: 489 mSDtfsCounter, 615 mSDsluCounter, 5553 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 34 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 6042 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2025-03-17 19:17:27,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 6042 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 945 Invalid, 5 Unknown, 0 Unchecked, 20.6s Time] [2025-03-17 19:17:27,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2025-03-17 19:17:27,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 751. [2025-03-17 19:17:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 730 states have (on average 1.3616438356164384) internal successors, (994), 737 states have internal predecessors, (994), 8 states have call successors, (8), 4 states have call predecessors, (8), 7 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2025-03-17 19:17:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1014 transitions. [2025-03-17 19:17:27,131 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1014 transitions. Word has length 107 [2025-03-17 19:17:27,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:17:27,131 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1014 transitions. [2025-03-17 19:17:27,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.117647058823529) internal successors, (206), 16 states have internal predecessors, (206), 4 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) [2025-03-17 19:17:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1014 transitions. [2025-03-17 19:17:27,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-03-17 19:17:27,132 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:17:27,132 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] [2025-03-17 19:17:27,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-17 19:17:27,332 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 19:17:27,332 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:17:27,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:17:27,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1729487675, now seen corresponding path program 2 times [2025-03-17 19:17:27,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:17:27,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185053414] [2025-03-17 19:17:27,333 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:17:27,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:17:27,374 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-03-17 19:17:27,416 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-03-17 19:17:27,416 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:17:27,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:27,690 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:17:27,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:17:27,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185053414] [2025-03-17 19:17:27,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185053414] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:17:27,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031085002] [2025-03-17 19:17:27,690 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:17:27,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:17:27,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:17:27,692 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 19:17:27,693 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 19:17:27,928 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-03-17 19:17:27,936 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 111 statements. [2025-03-17 19:17:27,936 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:17:27,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:27,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 19:17:27,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:17:27,943 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 19:17:27,952 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 19:17:27,952 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:17:27,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031085002] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:17:27,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:17:27,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2025-03-17 19:17:27,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749219052] [2025-03-17 19:17:27,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:17:27,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:17:27,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:17:27,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:17:27,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:17:27,953 INFO L87 Difference]: Start difference. First operand 751 states and 1014 transitions. Second operand has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:17:28,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:17:28,007 INFO L93 Difference]: Finished difference Result 751 states and 1014 transitions. [2025-03-17 19:17:28,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:17:28,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 111 [2025-03-17 19:17:28,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:17:28,010 INFO L225 Difference]: With dead ends: 751 [2025-03-17 19:17:28,010 INFO L226 Difference]: Without dead ends: 750 [2025-03-17 19:17:28,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:17:28,011 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, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 19:17:28,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 858 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 19:17:28,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2025-03-17 19:17:28,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 750. [2025-03-17 19:17:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 730 states have (on average 1.3602739726027397) internal successors, (993), 736 states have internal predecessors, (993), 8 states have call successors, (8), 4 states have call predecessors, (8), 7 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2025-03-17 19:17:28,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1013 transitions. [2025-03-17 19:17:28,027 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1013 transitions. Word has length 111 [2025-03-17 19:17:28,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:17:28,027 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1013 transitions. [2025-03-17 19:17:28,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:17:28,028 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1013 transitions. [2025-03-17 19:17:28,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 19:17:28,029 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:17:28,029 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] [2025-03-17 19:17:28,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-17 19:17:28,229 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 19:17:28,230 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 19:17:28,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:17:28,230 INFO L85 PathProgramCache]: Analyzing trace with hash -2074509729, now seen corresponding path program 1 times [2025-03-17 19:17:28,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:17:28,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982281687] [2025-03-17 19:17:28,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:28,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:17:28,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 19:17:28,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 19:17:28,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:28,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:17:28,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:17:28,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982281687] [2025-03-17 19:17:28,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982281687] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:17:28,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360314805] [2025-03-17 19:17:28,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:28,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:17:28,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:17:28,624 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 19:17:28,625 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 19:17:28,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 19:17:29,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 19:17:29,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:29,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:29,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 19:17:29,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:17:29,078 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 19:17:29,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:17:37,231 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 25 refuted. 2 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:17:37,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360314805] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:17:37,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:17:37,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 19 [2025-03-17 19:17:37,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814701386] [2025-03-17 19:17:37,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:17:37,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-17 19:17:37,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:17:37,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-17 19:17:37,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=230, Unknown=2, NotChecked=0, Total=342 [2025-03-17 19:17:37,233 INFO L87 Difference]: Start difference. First operand 750 states and 1013 transitions. Second operand has 19 states, 19 states have (on average 6.578947368421052) internal successors, (125), 19 states have internal predecessors, (125), 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 19:17:37,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:17:37,843 INFO L93 Difference]: Finished difference Result 1233 states and 1664 transitions. [2025-03-17 19:17:37,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-17 19:17:37,845 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.578947368421052) internal successors, (125), 19 states have internal predecessors, (125), 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 112 [2025-03-17 19:17:37,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:17:37,847 INFO L225 Difference]: With dead ends: 1233 [2025-03-17 19:17:37,847 INFO L226 Difference]: Without dead ends: 537 [2025-03-17 19:17:37,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=267, Invalid=487, Unknown=2, NotChecked=0, Total=756 [2025-03-17 19:17:37,849 INFO L435 NwaCegarLoop]: 352 mSDtfsCounter, 30 mSDsluCounter, 2779 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 3131 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:17:37,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 3131 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:17:37,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2025-03-17 19:17:37,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2025-03-17 19:17:37,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 520 states have (on average 1.3173076923076923) internal successors, (685), 526 states have internal predecessors, (685), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:17:37,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 699 transitions. [2025-03-17 19:17:37,871 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 699 transitions. Word has length 112 [2025-03-17 19:17:37,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:17:37,872 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 699 transitions. [2025-03-17 19:17:37,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.578947368421052) internal successors, (125), 19 states have internal predecessors, (125), 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 19:17:37,872 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 699 transitions. [2025-03-17 19:17:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-17 19:17:37,873 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:17:37,873 INFO L218 NwaCegarLoop]: trace histogram [12, 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 19:17:37,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-17 19:17:38,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-03-17 19:17:38,074 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:17:38,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:17:38,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1097422561, now seen corresponding path program 2 times [2025-03-17 19:17:38,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:17:38,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615893356] [2025-03-17 19:17:38,075 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:17:38,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:17:38,128 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-03-17 19:17:38,213 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-03-17 19:17:38,213 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:17:38,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:38,611 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 6 proven. 90 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:17:38,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:17:38,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615893356] [2025-03-17 19:17:38,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615893356] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:17:38,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555921333] [2025-03-17 19:17:38,612 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:17:38,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:17:38,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:17:38,614 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:17:38,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-17 19:17:38,872 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-03-17 19:17:39,943 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-03-17 19:17:39,943 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:17:39,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:39,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-17 19:17:39,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:17:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 42 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 19:17:40,150 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:17:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 41 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-17 19:17:40,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555921333] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:17:40,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:17:40,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 6] total 29 [2025-03-17 19:17:40,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450616217] [2025-03-17 19:17:40,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:17:40,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-03-17 19:17:40,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:17:40,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-03-17 19:17:40,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2025-03-17 19:17:40,271 INFO L87 Difference]: Start difference. First operand 537 states and 699 transitions. Second operand has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 2 states have call successors, (4), 2 states have call predecessors, (4), 5 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 19:17:40,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:17:40,842 INFO L93 Difference]: Finished difference Result 986 states and 1300 transitions. [2025-03-17 19:17:40,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-17 19:17:40,843 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 2 states have call successors, (4), 2 states have call predecessors, (4), 5 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 118 [2025-03-17 19:17:40,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:17:40,845 INFO L225 Difference]: With dead ends: 986 [2025-03-17 19:17:40,845 INFO L226 Difference]: Without dead ends: 569 [2025-03-17 19:17:40,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=332, Invalid=1390, Unknown=0, NotChecked=0, Total=1722 [2025-03-17 19:17:40,846 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 14 mSDsluCounter, 3602 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3965 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:17:40,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3965 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:17:40,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2025-03-17 19:17:40,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 557. [2025-03-17 19:17:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 540 states have (on average 1.3388888888888888) internal successors, (723), 546 states have internal predecessors, (723), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:17:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 737 transitions. [2025-03-17 19:17:40,862 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 737 transitions. Word has length 118 [2025-03-17 19:17:40,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:17:40,863 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 737 transitions. [2025-03-17 19:17:40,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 2 states have call successors, (4), 2 states have call predecessors, (4), 5 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 19:17:40,863 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 737 transitions. [2025-03-17 19:17:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-17 19:17:40,864 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:17:40,864 INFO L218 NwaCegarLoop]: trace histogram [25, 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 19:17:40,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-17 19:17:41,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-03-17 19:17:41,065 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:17:41,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:17:41,065 INFO L85 PathProgramCache]: Analyzing trace with hash 2000519185, now seen corresponding path program 3 times [2025-03-17 19:17:41,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:17:41,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199186153] [2025-03-17 19:17:41,065 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:17:41,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:17:41,111 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 131 statements into 9 equivalence classes. [2025-03-17 19:17:41,128 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 99 of 131 statements. [2025-03-17 19:17:41,128 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 19:17:41,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2025-03-17 19:17:41,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:17:41,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199186153] [2025-03-17 19:17:41,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199186153] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:17:41,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:17:41,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 19:17:41,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432544287] [2025-03-17 19:17:41,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:17:41,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:17:41,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:17:41,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:17:41,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:17:41,303 INFO L87 Difference]: Start difference. First operand 557 states and 737 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:17:41,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:17:41,717 INFO L93 Difference]: Finished difference Result 1052 states and 1403 transitions. [2025-03-17 19:17:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:17:41,718 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 131 [2025-03-17 19:17:41,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:17:41,720 INFO L225 Difference]: With dead ends: 1052 [2025-03-17 19:17:41,720 INFO L226 Difference]: Without dead ends: 563 [2025-03-17 19:17:41,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 19:17:41,721 INFO L435 NwaCegarLoop]: 352 mSDtfsCounter, 8 mSDsluCounter, 1440 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:17:41,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1792 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:17:41,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2025-03-17 19:17:41,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2025-03-17 19:17:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 546 states have (on average 1.335164835164835) internal successors, (729), 552 states have internal predecessors, (729), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:17:41,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 743 transitions. [2025-03-17 19:17:41,735 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 743 transitions. Word has length 131 [2025-03-17 19:17:41,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:17:41,735 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 743 transitions. [2025-03-17 19:17:41,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:17:41,735 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 743 transitions. [2025-03-17 19:17:41,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-03-17 19:17:41,736 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:17:41,736 INFO L218 NwaCegarLoop]: trace histogram [25, 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 19:17:41,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-17 19:17:41,736 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:17:41,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:17:41,736 INFO L85 PathProgramCache]: Analyzing trace with hash -969188823, now seen corresponding path program 1 times [2025-03-17 19:17:41,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:17:41,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729273762] [2025-03-17 19:17:41,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:41,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:17:41,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-17 19:17:41,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-17 19:17:41,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:41,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:42,331 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 6 proven. 248 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2025-03-17 19:17:42,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:17:42,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729273762] [2025-03-17 19:17:42,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729273762] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:17:42,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304174540] [2025-03-17 19:17:42,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:17:42,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:17:42,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:17:42,334 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:17:42,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-17 19:17:42,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-17 19:17:43,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-17 19:17:43,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:17:43,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:17:43,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 60 conjuncts are in the unsatisfiable core [2025-03-17 19:17:43,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:17:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 8 proven. 345 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-17 19:17:43,629 INFO L312 TraceCheckSpWp]: Computing backward predicates...