./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed 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_test9-2.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 d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 06:16:23,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:16:23,624 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 06:16:23,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:16:23,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:16:23,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:16:23,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:16:23,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:16:23,649 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:16:23,650 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:16:23,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 06:16:23,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 06:16:23,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:16:23,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 06:16:23,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:16:23,652 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:16:23,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 06:16:23,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 06:16:23,652 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 -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2025-03-09 06:16:23,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:16:23,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:16:23,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:16:23,877 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:16:23,877 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:16:23,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2025-03-09 06:16:24,961 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0727011e2/d503331774f54f88835ad286530da476/FLAG05f733348 [2025-03-09 06:16:25,350 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:16:25,351 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2025-03-09 06:16:25,375 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0727011e2/d503331774f54f88835ad286530da476/FLAG05f733348 [2025-03-09 06:16:25,387 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0727011e2/d503331774f54f88835ad286530da476 [2025-03-09 06:16:25,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:16:25,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:16:25,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:16:25,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:16:25,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:16:25,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:16:25" (1/1) ... [2025-03-09 06:16:25,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc6820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:25, skipping insertion in model container [2025-03-09 06:16:25,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:16:25" (1/1) ... [2025-03-09 06:16:25,442 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:16:25,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:16:25,897 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:16:26,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:16:26,027 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:16:26,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26 WrapperNode [2025-03-09 06:16:26,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:16:26,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:16:26,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:16:26,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:16:26,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (1/1) ... [2025-03-09 06:16:26,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (1/1) ... [2025-03-09 06:16:26,161 INFO L138 Inliner]: procedures = 177, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3411 [2025-03-09 06:16:26,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:16:26,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:16:26,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:16:26,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:16:26,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (1/1) ... [2025-03-09 06:16:26,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (1/1) ... [2025-03-09 06:16:26,180 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (1/1) ... [2025-03-09 06:16:26,250 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [34, 2, 220]. 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]. [2025-03-09 06:16:26,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (1/1) ... [2025-03-09 06:16:26,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (1/1) ... [2025-03-09 06:16:26,287 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (1/1) ... [2025-03-09 06:16:26,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (1/1) ... [2025-03-09 06:16:26,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (1/1) ... [2025-03-09 06:16:26,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (1/1) ... [2025-03-09 06:16:26,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:16:26,311 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:16:26,311 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:16:26,311 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:16:26,311 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (1/1) ... [2025-03-09 06:16:26,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:16:26,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:26,335 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) [2025-03-09 06:16:26,337 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 [2025-03-09 06:16:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-09 06:16:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-09 06:16:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:16:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:16:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 06:16:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 06:16:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 06:16:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:16:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:16:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 06:16:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-09 06:16:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-09 06:16:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-09 06:16:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-09 06:16:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-09 06:16:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-09 06:16:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-09 06:16:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 06:16:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-09 06:16:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-09 06:16:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-09 06:16:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 06:16:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-09 06:16:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-09 06:16:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-09 06:16:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 06:16:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 06:16:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 06:16:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 06:16:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:16:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:16:26,519 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:16:26,520 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:16:28,622 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2218: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-09 06:16:28,836 INFO L? ?]: Removed 834 outVars from TransFormulas that were not future-live. [2025-03-09 06:16:28,836 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:16:28,908 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:16:28,909 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-09 06:16:28,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:16:28 BoogieIcfgContainer [2025-03-09 06:16:28,910 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:16:28,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 06:16:28,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 06:16:28,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 06:16:28,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 06:16:25" (1/3) ... [2025-03-09 06:16:28,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6aa20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:16:28, skipping insertion in model container [2025-03-09 06:16:28,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:26" (2/3) ... [2025-03-09 06:16:28,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6aa20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:16:28, skipping insertion in model container [2025-03-09 06:16:28,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:16:28" (3/3) ... [2025-03-09 06:16:28,918 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-2.i [2025-03-09 06:16:28,929 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 06:16:28,930 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_test9-2.i that has 6 procedures, 1424 locations, 1 initial locations, 36 loop locations, and 8 error locations. [2025-03-09 06:16:29,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:16:29,016 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;@3e02ae37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:16:29,016 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-09 06:16:29,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 1416 states, 899 states have (on average 1.832035595105673) internal successors, (1647), 1409 states have internal predecessors, (1647), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2025-03-09 06:16:29,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 06:16:29,027 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:29,027 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:29,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:29,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:29,031 INFO L85 PathProgramCache]: Analyzing trace with hash 992438410, now seen corresponding path program 1 times [2025-03-09 06:16:29,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:29,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362144702] [2025-03-09 06:16:29,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:29,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:29,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 06:16:29,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 06:16:29,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:29,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:29,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:29,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:29,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362144702] [2025-03-09 06:16:29,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362144702] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:29,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:29,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 06:16:29,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421267562] [2025-03-09 06:16:29,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:29,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 06:16:29,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:29,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 06:16:29,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 06:16:29,186 INFO L87 Difference]: Start difference. First operand has 1416 states, 899 states have (on average 1.832035595105673) internal successors, (1647), 1409 states have internal predecessors, (1647), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 3.5) 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) [2025-03-09 06:16:29,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:29,350 INFO L93 Difference]: Finished difference Result 2828 states and 5811 transitions. [2025-03-09 06:16:29,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 06:16:29,351 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 [2025-03-09 06:16:29,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:29,375 INFO L225 Difference]: With dead ends: 2828 [2025-03-09 06:16:29,376 INFO L226 Difference]: Without dead ends: 1374 [2025-03-09 06:16:29,389 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 [2025-03-09 06:16:29,392 INFO L435 NwaCegarLoop]: 2548 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, 2548 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 [2025-03-09 06:16:29,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2548 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:29,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2025-03-09 06:16:29,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1374. [2025-03-09 06:16:29,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1374 states, 861 states have (on average 1.7770034843205575) internal successors, (1530), 1368 states have internal predecessors, (1530), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2025-03-09 06:16:29,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2536 transitions. [2025-03-09 06:16:29,656 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 2536 transitions. Word has length 7 [2025-03-09 06:16:29,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:29,657 INFO L471 AbstractCegarLoop]: Abstraction has 1374 states and 2536 transitions. [2025-03-09 06:16:29,657 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) [2025-03-09 06:16:29,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2536 transitions. [2025-03-09 06:16:29,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 06:16:29,657 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:29,657 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:29,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 06:16:29,658 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:29,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:29,658 INFO L85 PathProgramCache]: Analyzing trace with hash 992439371, now seen corresponding path program 1 times [2025-03-09 06:16:29,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:29,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045367167] [2025-03-09 06:16:29,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:29,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:29,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 06:16:29,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 06:16:29,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:29,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 06:16:29,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341315565] [2025-03-09 06:16:29,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:29,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:29,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:29,683 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) [2025-03-09 06:16:29,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 06:16:29,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 06:16:29,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 06:16:29,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:29,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:29,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 06:16:29,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:29,807 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 [2025-03-09 06:16:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:29,837 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:16:29,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:29,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045367167] [2025-03-09 06:16:29,838 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 06:16:29,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341315565] [2025-03-09 06:16:29,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341315565] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:29,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:29,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:16:29,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679113045] [2025-03-09 06:16:29,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:29,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:16:29,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:29,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:16:29,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:16:29,839 INFO L87 Difference]: Start difference. First operand 1374 states and 2536 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) [2025-03-09 06:16:30,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:30,618 INFO L93 Difference]: Finished difference Result 2738 states and 5063 transitions. [2025-03-09 06:16:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:16:30,619 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 [2025-03-09 06:16:30,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:30,640 INFO L225 Difference]: With dead ends: 2738 [2025-03-09 06:16:30,640 INFO L226 Difference]: Without dead ends: 2737 [2025-03-09 06:16:30,642 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 [2025-03-09 06:16:30,643 INFO L435 NwaCegarLoop]: 2731 mSDtfsCounter, 1515 mSDsluCounter, 4699 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 7430 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:30,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 7430 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 06:16:30,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2025-03-09 06:16:30,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 1379. [2025-03-09 06:16:30,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 866 states have (on average 1.7736720554272518) internal successors, (1536), 1373 states have internal predecessors, (1536), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2025-03-09 06:16:30,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 2542 transitions. [2025-03-09 06:16:30,967 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 2542 transitions. Word has length 7 [2025-03-09 06:16:30,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:30,967 INFO L471 AbstractCegarLoop]: Abstraction has 1379 states and 2542 transitions. [2025-03-09 06:16:30,967 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) [2025-03-09 06:16:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 2542 transitions. [2025-03-09 06:16:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 06:16:30,968 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:30,968 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:30,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 06:16:31,168 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 [2025-03-09 06:16:31,169 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:31,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:31,169 INFO L85 PathProgramCache]: Analyzing trace with hash 700853084, now seen corresponding path program 1 times [2025-03-09 06:16:31,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:31,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111235507] [2025-03-09 06:16:31,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:31,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:31,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 06:16:31,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 06:16:31,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:31,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 06:16:31,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [714377115] [2025-03-09 06:16:31,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:31,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:31,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:31,200 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) [2025-03-09 06:16:31,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 06:16:31,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 06:16:31,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 06:16:31,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:31,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:31,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 06:16:31,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:31,306 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 [2025-03-09 06:16:31,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:31,321 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:16:31,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:31,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111235507] [2025-03-09 06:16:31,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 06:16:31,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714377115] [2025-03-09 06:16:31,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714377115] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:31,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:31,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:16:31,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716272014] [2025-03-09 06:16:31,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:31,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:16:31,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:31,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:16:31,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:16:31,322 INFO L87 Difference]: Start difference. First operand 1379 states and 2542 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2025-03-09 06:16:32,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:32,048 INFO L93 Difference]: Finished difference Result 2737 states and 5062 transitions. [2025-03-09 06:16:32,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:16:32,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2025-03-09 06:16:32,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:32,068 INFO L225 Difference]: With dead ends: 2737 [2025-03-09 06:16:32,068 INFO L226 Difference]: Without dead ends: 2736 [2025-03-09 06:16:32,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 06:16:32,072 INFO L435 NwaCegarLoop]: 2762 mSDtfsCounter, 1513 mSDsluCounter, 4729 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2016 SdHoareTripleChecker+Valid, 7491 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:32,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2016 Valid, 7491 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 06:16:32,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2736 states. [2025-03-09 06:16:32,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2736 to 1380. [2025-03-09 06:16:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 867 states have (on average 1.7727797001153403) internal successors, (1537), 1374 states have internal predecessors, (1537), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2025-03-09 06:16:32,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 2543 transitions. [2025-03-09 06:16:32,273 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 2543 transitions. Word has length 8 [2025-03-09 06:16:32,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:32,274 INFO L471 AbstractCegarLoop]: Abstraction has 1380 states and 2543 transitions. [2025-03-09 06:16:32,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2025-03-09 06:16:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 2543 transitions. [2025-03-09 06:16:32,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-09 06:16:32,277 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:32,277 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] [2025-03-09 06:16:32,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 06:16:32,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-09 06:16:32,478 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:32,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:32,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1811971906, now seen corresponding path program 1 times [2025-03-09 06:16:32,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:32,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655808593] [2025-03-09 06:16:32,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:32,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:32,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-09 06:16:32,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-09 06:16:32,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:32,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:32,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:32,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655808593] [2025-03-09 06:16:32,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655808593] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:32,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:32,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:16:32,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757544177] [2025-03-09 06:16:32,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:32,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:16:32,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:32,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:16:32,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:16:32,796 INFO L87 Difference]: Start difference. First operand 1380 states and 2543 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2025-03-09 06:16:33,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:33,456 INFO L93 Difference]: Finished difference Result 3903 states and 7302 transitions. [2025-03-09 06:16:33,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:16:33,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 62 [2025-03-09 06:16:33,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:33,471 INFO L225 Difference]: With dead ends: 3903 [2025-03-09 06:16:33,471 INFO L226 Difference]: Without dead ends: 2735 [2025-03-09 06:16:33,476 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 [2025-03-09 06:16:33,477 INFO L435 NwaCegarLoop]: 2772 mSDtfsCounter, 1515 mSDsluCounter, 4740 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 7512 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:33,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 7512 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 06:16:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2735 states. [2025-03-09 06:16:33,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2735 to 1380. [2025-03-09 06:16:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 867 states have (on average 1.7716262975778547) internal successors, (1536), 1374 states have internal predecessors, (1536), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2025-03-09 06:16:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 2542 transitions. [2025-03-09 06:16:33,657 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 2542 transitions. Word has length 62 [2025-03-09 06:16:33,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:33,657 INFO L471 AbstractCegarLoop]: Abstraction has 1380 states and 2542 transitions. [2025-03-09 06:16:33,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2025-03-09 06:16:33,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 2542 transitions. [2025-03-09 06:16:33,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-09 06:16:33,661 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:33,661 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] [2025-03-09 06:16:33,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 06:16:33,662 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:33,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:33,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1048955205, now seen corresponding path program 1 times [2025-03-09 06:16:33,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:33,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741962531] [2025-03-09 06:16:33,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:33,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:33,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-09 06:16:33,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-09 06:16:33,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:33,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:33,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:33,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741962531] [2025-03-09 06:16:33,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741962531] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:33,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:33,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:16:33,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819428424] [2025-03-09 06:16:33,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:33,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:16:33,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:33,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:16:33,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:16:33,868 INFO L87 Difference]: Start difference. First operand 1380 states and 2542 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) [2025-03-09 06:16:33,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:33,998 INFO L93 Difference]: Finished difference Result 2755 states and 5079 transitions. [2025-03-09 06:16:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:16:33,999 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 [2025-03-09 06:16:33,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:34,008 INFO L225 Difference]: With dead ends: 2755 [2025-03-09 06:16:34,008 INFO L226 Difference]: Without dead ends: 1383 [2025-03-09 06:16:34,011 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 [2025-03-09 06:16:34,012 INFO L435 NwaCegarLoop]: 2468 mSDtfsCounter, 105 mSDsluCounter, 4852 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 7320 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:34,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 7320 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:34,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2025-03-09 06:16:34,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1380. [2025-03-09 06:16:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 867 states have (on average 1.7635524798154556) internal successors, (1529), 1374 states have internal predecessors, (1529), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2025-03-09 06:16:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 2535 transitions. [2025-03-09 06:16:34,109 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 2535 transitions. Word has length 79 [2025-03-09 06:16:34,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:34,109 INFO L471 AbstractCegarLoop]: Abstraction has 1380 states and 2535 transitions. [2025-03-09 06:16:34,110 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) [2025-03-09 06:16:34,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 2535 transitions. [2025-03-09 06:16:34,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-09 06:16:34,113 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:34,113 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] [2025-03-09 06:16:34,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 06:16:34,113 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:34,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:34,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1860068372, now seen corresponding path program 1 times [2025-03-09 06:16:34,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:34,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908966329] [2025-03-09 06:16:34,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:34,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:34,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-09 06:16:34,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-09 06:16:34,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:34,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:34,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:34,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:34,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908966329] [2025-03-09 06:16:34,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908966329] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:34,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:34,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:16:34,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674791134] [2025-03-09 06:16:34,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:34,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:16:34,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:34,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:16:34,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:16:34,233 INFO L87 Difference]: Start difference. First operand 1380 states and 2535 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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) [2025-03-09 06:16:34,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:34,467 INFO L93 Difference]: Finished difference Result 4019 states and 7456 transitions. [2025-03-09 06:16:34,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:16:34,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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 [2025-03-09 06:16:34,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:34,488 INFO L225 Difference]: With dead ends: 4019 [2025-03-09 06:16:34,489 INFO L226 Difference]: Without dead ends: 2647 [2025-03-09 06:16:34,495 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 [2025-03-09 06:16:34,496 INFO L435 NwaCegarLoop]: 2906 mSDtfsCounter, 1341 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 5380 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:34,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 5380 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:34,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2025-03-09 06:16:34,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2643. [2025-03-09 06:16:34,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2643 states, 1630 states have (on average 1.7920245398773007) internal successors, (2921), 2637 states have internal predecessors, (2921), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2025-03-09 06:16:34,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 4927 transitions. [2025-03-09 06:16:34,776 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 4927 transitions. Word has length 79 [2025-03-09 06:16:34,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:34,777 INFO L471 AbstractCegarLoop]: Abstraction has 2643 states and 4927 transitions. [2025-03-09 06:16:34,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 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) [2025-03-09 06:16:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 4927 transitions. [2025-03-09 06:16:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-09 06:16:34,778 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:34,778 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] [2025-03-09 06:16:34,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 06:16:34,779 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:34,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:34,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1441607711, now seen corresponding path program 1 times [2025-03-09 06:16:34,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:34,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224985831] [2025-03-09 06:16:34,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:34,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:34,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 06:16:34,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 06:16:34,831 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:34,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 06:16:35,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:35,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224985831] [2025-03-09 06:16:35,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224985831] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:35,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:35,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:16:35,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382280492] [2025-03-09 06:16:35,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:35,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:16:35,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:35,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:16:35,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:16:35,081 INFO L87 Difference]: Start difference. First operand 2643 states and 4927 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) [2025-03-09 06:16:35,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:35,860 INFO L93 Difference]: Finished difference Result 4882 states and 9265 transitions. [2025-03-09 06:16:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:16:35,860 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 [2025-03-09 06:16:35,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:35,899 INFO L225 Difference]: With dead ends: 4882 [2025-03-09 06:16:35,900 INFO L226 Difference]: Without dead ends: 4880 [2025-03-09 06:16:35,902 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 [2025-03-09 06:16:35,903 INFO L435 NwaCegarLoop]: 2757 mSDtfsCounter, 1424 mSDsluCounter, 4717 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1925 SdHoareTripleChecker+Valid, 7474 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:35,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1925 Valid, 7474 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 06:16:35,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4880 states. [2025-03-09 06:16:36,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4880 to 2706. [2025-03-09 06:16:36,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 1690 states have (on average 1.7739644970414201) internal successors, (2998), 2697 states have internal predecessors, (2998), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2025-03-09 06:16:36,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 5010 transitions. [2025-03-09 06:16:36,386 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 5010 transitions. Word has length 94 [2025-03-09 06:16:36,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:36,387 INFO L471 AbstractCegarLoop]: Abstraction has 2706 states and 5010 transitions. [2025-03-09 06:16:36,387 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) [2025-03-09 06:16:36,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 5010 transitions. [2025-03-09 06:16:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-09 06:16:36,388 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:36,388 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] [2025-03-09 06:16:36,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 06:16:36,389 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:36,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:36,389 INFO L85 PathProgramCache]: Analyzing trace with hash -146981360, now seen corresponding path program 1 times [2025-03-09 06:16:36,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:36,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786953887] [2025-03-09 06:16:36,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:36,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:36,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-09 06:16:36,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-09 06:16:36,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:36,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 06:16:36,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:36,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786953887] [2025-03-09 06:16:36,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786953887] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:16:36,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829661293] [2025-03-09 06:16:36,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:36,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:36,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:36,842 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) [2025-03-09 06:16:36,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 06:16:37,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-09 06:16:37,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-09 06:16:37,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:37,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:37,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-09 06:16:37,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:37,110 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 [2025-03-09 06:16:37,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-09 06:16:37,141 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 [2025-03-09 06:16:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 06:16:37,796 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:16:37,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829661293] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:37,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:16:37,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-03-09 06:16:37,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203290591] [2025-03-09 06:16:37,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:37,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:16:37,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:37,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:16:37,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-09 06:16:37,798 INFO L87 Difference]: Start difference. First operand 2706 states and 5010 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) [2025-03-09 06:16:39,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:39,852 INFO L93 Difference]: Finished difference Result 7548 states and 14214 transitions. [2025-03-09 06:16:39,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:16:39,853 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 [2025-03-09 06:16:39,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:39,895 INFO L225 Difference]: With dead ends: 7548 [2025-03-09 06:16:39,895 INFO L226 Difference]: Without dead ends: 4928 [2025-03-09 06:16:39,905 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 [2025-03-09 06:16:39,905 INFO L435 NwaCegarLoop]: 2715 mSDtfsCounter, 1781 mSDsluCounter, 12412 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2283 SdHoareTripleChecker+Valid, 15127 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:39,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2283 Valid, 15127 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-09 06:16:39,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4928 states. [2025-03-09 06:16:40,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4928 to 2731. [2025-03-09 06:16:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2731 states, 1715 states have (on average 1.765597667638484) internal successors, (3028), 2722 states have internal predecessors, (3028), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2025-03-09 06:16:40,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2731 states and 5040 transitions. [2025-03-09 06:16:40,351 INFO L78 Accepts]: Start accepts. Automaton has 2731 states and 5040 transitions. Word has length 100 [2025-03-09 06:16:40,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:40,351 INFO L471 AbstractCegarLoop]: Abstraction has 2731 states and 5040 transitions. [2025-03-09 06:16:40,354 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) [2025-03-09 06:16:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 5040 transitions. [2025-03-09 06:16:40,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-09 06:16:40,355 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:40,355 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] [2025-03-09 06:16:40,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 06:16:40,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:40,556 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:40,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:40,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1160852187, now seen corresponding path program 1 times [2025-03-09 06:16:40,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:40,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055710384] [2025-03-09 06:16:40,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:40,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:40,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 06:16:40,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 06:16:40,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:40,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 06:16:40,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:40,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055710384] [2025-03-09 06:16:40,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055710384] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:16:40,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644484902] [2025-03-09 06:16:40,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:40,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:40,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:40,809 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) [2025-03-09 06:16:40,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 06:16:40,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 06:16:41,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 06:16:41,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:41,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:41,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-03-09 06:16:41,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:41,154 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 [2025-03-09 06:16:41,171 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 [2025-03-09 06:16:41,184 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 [2025-03-09 06:16:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 06:16:41,750 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:16:41,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644484902] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:41,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:16:41,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2025-03-09 06:16:41,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941308267] [2025-03-09 06:16:41,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:41,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 06:16:41,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:41,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 06:16:41,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-03-09 06:16:41,751 INFO L87 Difference]: Start difference. First operand 2731 states and 5040 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 06:16:44,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:44,941 INFO L93 Difference]: Finished difference Result 7595 states and 14277 transitions. [2025-03-09 06:16:44,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-09 06:16:44,942 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2025-03-09 06:16:44,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:44,983 INFO L225 Difference]: With dead ends: 7595 [2025-03-09 06:16:44,984 INFO L226 Difference]: Without dead ends: 4980 [2025-03-09 06:16:45,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2025-03-09 06:16:45,002 INFO L435 NwaCegarLoop]: 2741 mSDtfsCounter, 1860 mSDsluCounter, 10057 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 12798 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:45,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 12798 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1305 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2025-03-09 06:16:45,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4980 states. [2025-03-09 06:16:45,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4980 to 2766. [2025-03-09 06:16:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 1750 states have (on average 1.756) internal successors, (3073), 2757 states have internal predecessors, (3073), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2025-03-09 06:16:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 5085 transitions. [2025-03-09 06:16:45,517 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 5085 transitions. Word has length 101 [2025-03-09 06:16:45,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:45,518 INFO L471 AbstractCegarLoop]: Abstraction has 2766 states and 5085 transitions. [2025-03-09 06:16:45,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 06:16:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 5085 transitions. [2025-03-09 06:16:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-09 06:16:45,520 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:45,520 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] [2025-03-09 06:16:45,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-09 06:16:45,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:45,721 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:45,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:45,721 INFO L85 PathProgramCache]: Analyzing trace with hash 471576909, now seen corresponding path program 1 times [2025-03-09 06:16:45,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:45,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803440764] [2025-03-09 06:16:45,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:45,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-09 06:16:45,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-09 06:16:45,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:45,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 06:16:46,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:46,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803440764] [2025-03-09 06:16:46,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803440764] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:46,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:46,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 06:16:46,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017417460] [2025-03-09 06:16:46,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:46,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:16:46,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:46,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:16:46,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:16:46,024 INFO L87 Difference]: Start difference. First operand 2766 states and 5085 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) [2025-03-09 06:16:46,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:46,540 INFO L93 Difference]: Finished difference Result 5435 states and 10040 transitions. [2025-03-09 06:16:46,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 06:16:46,541 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 [2025-03-09 06:16:46,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:46,557 INFO L225 Difference]: With dead ends: 5435 [2025-03-09 06:16:46,557 INFO L226 Difference]: Without dead ends: 2788 [2025-03-09 06:16:46,564 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 [2025-03-09 06:16:46,564 INFO L435 NwaCegarLoop]: 2480 mSDtfsCounter, 9 mSDsluCounter, 9444 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 11924 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:46,565 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 11924 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 06:16:46,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2788 states. [2025-03-09 06:16:46,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2784. [2025-03-09 06:16:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 1768 states have (on average 1.752262443438914) internal successors, (3098), 2775 states have internal predecessors, (3098), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2025-03-09 06:16:46,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 5110 transitions. [2025-03-09 06:16:46,880 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 5110 transitions. Word has length 102 [2025-03-09 06:16:46,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:46,881 INFO L471 AbstractCegarLoop]: Abstraction has 2784 states and 5110 transitions. [2025-03-09 06:16:46,881 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) [2025-03-09 06:16:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 5110 transitions. [2025-03-09 06:16:46,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-09 06:16:46,882 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:46,882 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] [2025-03-09 06:16:46,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 06:16:46,882 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:46,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:46,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1016645111, now seen corresponding path program 1 times [2025-03-09 06:16:46,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:46,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875878299] [2025-03-09 06:16:46,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:46,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:46,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-09 06:16:46,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-09 06:16:46,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:46,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:47,261 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 06:16:47,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:47,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875878299] [2025-03-09 06:16:47,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875878299] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:47,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:47,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:16:47,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528673383] [2025-03-09 06:16:47,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:47,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:16:47,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:47,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:16:47,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-09 06:16:47,267 INFO L87 Difference]: Start difference. First operand 2784 states and 5110 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) [2025-03-09 06:16:47,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:47,855 INFO L93 Difference]: Finished difference Result 5460 states and 10075 transitions. [2025-03-09 06:16:47,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 06:16:47,856 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 [2025-03-09 06:16:47,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:47,869 INFO L225 Difference]: With dead ends: 5460 [2025-03-09 06:16:47,870 INFO L226 Difference]: Without dead ends: 2806 [2025-03-09 06:16:47,908 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 [2025-03-09 06:16:47,909 INFO L435 NwaCegarLoop]: 2470 mSDtfsCounter, 14 mSDsluCounter, 11808 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 14278 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:47,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 14278 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 06:16:47,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2025-03-09 06:16:48,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2800. [2025-03-09 06:16:48,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2800 states, 1784 states have (on average 1.748878923766816) internal successors, (3120), 2791 states have internal predecessors, (3120), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2025-03-09 06:16:48,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2800 states and 5132 transitions. [2025-03-09 06:16:48,151 INFO L78 Accepts]: Start accepts. Automaton has 2800 states and 5132 transitions. Word has length 102 [2025-03-09 06:16:48,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:48,152 INFO L471 AbstractCegarLoop]: Abstraction has 2800 states and 5132 transitions. [2025-03-09 06:16:48,152 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) [2025-03-09 06:16:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 5132 transitions. [2025-03-09 06:16:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-09 06:16:48,155 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:48,156 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] [2025-03-09 06:16:48,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 06:16:48,157 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:48,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:48,157 INFO L85 PathProgramCache]: Analyzing trace with hash -878659255, now seen corresponding path program 1 times [2025-03-09 06:16:48,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:48,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277313890] [2025-03-09 06:16:48,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:48,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:48,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 06:16:48,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 06:16:48,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:48,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 06:16:48,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:48,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277313890] [2025-03-09 06:16:48,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277313890] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:16:48,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392789023] [2025-03-09 06:16:48,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:48,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:48,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:48,416 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) [2025-03-09 06:16:48,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 06:16:48,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-09 06:16:49,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-09 06:16:49,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:49,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:49,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 06:16:49,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:49,539 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:16:49,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392789023] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:49,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:16:49,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-03-09 06:16:49,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651323427] [2025-03-09 06:16:49,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:49,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:16:49,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:49,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:16:49,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 06:16:49,542 INFO L87 Difference]: Start difference. First operand 2800 states and 5132 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 06:16:49,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:49,713 INFO L93 Difference]: Finished difference Result 5425 states and 10024 transitions. [2025-03-09 06:16:49,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:16:49,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 103 [2025-03-09 06:16:49,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:49,739 INFO L225 Difference]: With dead ends: 5425 [2025-03-09 06:16:49,740 INFO L226 Difference]: Without dead ends: 2803 [2025-03-09 06:16:49,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 06:16:49,748 INFO L435 NwaCegarLoop]: 2485 mSDtfsCounter, 0 mSDsluCounter, 4966 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7451 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:49,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7451 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:49,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2025-03-09 06:16:50,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2803. [2025-03-09 06:16:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2803 states, 1786 states have (on average 1.7486002239641658) internal successors, (3123), 2794 states have internal predecessors, (3123), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 3 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2025-03-09 06:16:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 5137 transitions. [2025-03-09 06:16:50,094 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 5137 transitions. Word has length 103 [2025-03-09 06:16:50,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:50,095 INFO L471 AbstractCegarLoop]: Abstraction has 2803 states and 5137 transitions. [2025-03-09 06:16:50,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 06:16:50,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 5137 transitions. [2025-03-09 06:16:50,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-09 06:16:50,098 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:50,098 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:50,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-09 06:16:50,299 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,SelfDestructingSolverStorable11 [2025-03-09 06:16:50,299 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:50,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:50,300 INFO L85 PathProgramCache]: Analyzing trace with hash 461895533, now seen corresponding path program 1 times [2025-03-09 06:16:50,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:50,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663674747] [2025-03-09 06:16:50,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:50,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:50,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-09 06:16:50,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-09 06:16:50,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:50,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:16:50,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:50,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663674747] [2025-03-09 06:16:50,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663674747] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:16:50,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892999334] [2025-03-09 06:16:50,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:50,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:50,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:50,660 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) [2025-03-09 06:16:50,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 06:16:50,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-09 06:16:51,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-09 06:16:51,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:51,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:51,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-09 06:16:51,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:51,105 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 06:16:51,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:16:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:16:51,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892999334] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:16:51,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:16:51,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-09 06:16:51,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240525152] [2025-03-09 06:16:51,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:16:51,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:16:51,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:51,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:16:51,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:16:51,177 INFO L87 Difference]: Start difference. First operand 2803 states and 5137 transitions. Second operand has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 06:16:51,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:51,501 INFO L93 Difference]: Finished difference Result 5439 states and 10048 transitions. [2025-03-09 06:16:51,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:16:51,505 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 105 [2025-03-09 06:16:51,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:51,524 INFO L225 Difference]: With dead ends: 5439 [2025-03-09 06:16:51,524 INFO L226 Difference]: Without dead ends: 2814 [2025-03-09 06:16:51,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2025-03-09 06:16:51,534 INFO L435 NwaCegarLoop]: 2486 mSDtfsCounter, 4 mSDsluCounter, 9935 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 12421 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:51,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 12421 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:16:51,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2025-03-09 06:16:51,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2812. [2025-03-09 06:16:51,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2812 states, 1794 states have (on average 1.7486064659977703) internal successors, (3137), 2802 states have internal predecessors, (3137), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2025-03-09 06:16:51,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 5151 transitions. [2025-03-09 06:16:51,960 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 5151 transitions. Word has length 105 [2025-03-09 06:16:51,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:51,961 INFO L471 AbstractCegarLoop]: Abstraction has 2812 states and 5151 transitions. [2025-03-09 06:16:51,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 06:16:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 5151 transitions. [2025-03-09 06:16:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-09 06:16:51,962 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:51,962 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] [2025-03-09 06:16:51,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 06:16:52,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:52,163 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:52,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:52,163 INFO L85 PathProgramCache]: Analyzing trace with hash 545748265, now seen corresponding path program 2 times [2025-03-09 06:16:52,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:52,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11364313] [2025-03-09 06:16:52,163 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:16:52,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:52,199 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-03-09 06:16:52,346 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-03-09 06:16:52,346 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:16:52,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 06:16:52,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:52,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11364313] [2025-03-09 06:16:52,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11364313] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:16:52,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929670816] [2025-03-09 06:16:52,641 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:16:52,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:52,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:52,644 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) [2025-03-09 06:16:52,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 06:16:52,864 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-03-09 06:16:52,874 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 109 statements. [2025-03-09 06:16:52,874 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:16:52,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:52,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 06:16:52,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:52,890 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 [2025-03-09 06:16:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-09 06:16:52,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:16:52,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929670816] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:52,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:16:52,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2025-03-09 06:16:52,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115824599] [2025-03-09 06:16:52,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:52,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:16:52,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:52,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:16:52,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:16:52,900 INFO L87 Difference]: Start difference. First operand 2812 states and 5151 transitions. Second operand has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 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) [2025-03-09 06:16:53,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:53,036 INFO L93 Difference]: Finished difference Result 2812 states and 5151 transitions. [2025-03-09 06:16:53,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:16:53,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 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 109 [2025-03-09 06:16:53,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:53,052 INFO L225 Difference]: With dead ends: 2812 [2025-03-09 06:16:53,052 INFO L226 Difference]: Without dead ends: 2811 [2025-03-09 06:16:53,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:16:53,055 INFO L435 NwaCegarLoop]: 2484 mSDtfsCounter, 1 mSDsluCounter, 2482 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4966 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:53,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4966 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:53,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2811 states. [2025-03-09 06:16:53,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2811 to 2811. [2025-03-09 06:16:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2811 states, 1794 states have (on average 1.7480490523968786) internal successors, (3136), 2801 states have internal predecessors, (3136), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2025-03-09 06:16:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 5150 transitions. [2025-03-09 06:16:53,405 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 5150 transitions. Word has length 109 [2025-03-09 06:16:53,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:53,406 INFO L471 AbstractCegarLoop]: Abstraction has 2811 states and 5150 transitions. [2025-03-09 06:16:53,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 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) [2025-03-09 06:16:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 5150 transitions. [2025-03-09 06:16:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-09 06:16:53,407 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:53,408 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] [2025-03-09 06:16:53,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-09 06:16:53,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:53,609 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:53,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:53,609 INFO L85 PathProgramCache]: Analyzing trace with hash -261669314, now seen corresponding path program 1 times [2025-03-09 06:16:53,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:53,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471527790] [2025-03-09 06:16:53,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:53,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:53,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-09 06:16:53,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-09 06:16:53,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:53,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 06:16:53,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:53,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471527790] [2025-03-09 06:16:53,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471527790] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:16:53,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292298480] [2025-03-09 06:16:53,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:53,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:53,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:53,943 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) [2025-03-09 06:16:53,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 06:16:54,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-09 06:16:54,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-09 06:16:54,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:54,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:54,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-09 06:16:54,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-09 06:16:54,584 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:16:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-09 06:16:54,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292298480] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:16:54,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:16:54,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 19 [2025-03-09 06:16:54,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396172759] [2025-03-09 06:16:54,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:16:54,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-09 06:16:54,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:54,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-09 06:16:54,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2025-03-09 06:16:54,700 INFO L87 Difference]: Start difference. First operand 2811 states and 5150 transitions. Second operand has 19 states, 19 states have (on average 6.421052631578948) internal successors, (122), 19 states have internal predecessors, (122), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 06:16:55,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:55,087 INFO L93 Difference]: Finished difference Result 5429 states and 10040 transitions. [2025-03-09 06:16:55,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-09 06:16:55,088 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.421052631578948) internal successors, (122), 19 states have internal predecessors, (122), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 110 [2025-03-09 06:16:55,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:55,103 INFO L225 Difference]: With dead ends: 5429 [2025-03-09 06:16:55,103 INFO L226 Difference]: Without dead ends: 2666 [2025-03-09 06:16:55,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2025-03-09 06:16:55,113 INFO L435 NwaCegarLoop]: 2407 mSDtfsCounter, 31 mSDsluCounter, 9618 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 12025 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:55,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 12025 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:16:55,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2025-03-09 06:16:55,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2660. [2025-03-09 06:16:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 1643 states have (on average 1.7729762629336578) internal successors, (2913), 2650 states have internal predecessors, (2913), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2025-03-09 06:16:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 4927 transitions. [2025-03-09 06:16:55,338 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 4927 transitions. Word has length 110 [2025-03-09 06:16:55,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:55,339 INFO L471 AbstractCegarLoop]: Abstraction has 2660 states and 4927 transitions. [2025-03-09 06:16:55,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.421052631578948) internal successors, (122), 19 states have internal predecessors, (122), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 06:16:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 4927 transitions. [2025-03-09 06:16:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-09 06:16:55,340 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:55,340 INFO L218 NwaCegarLoop]: trace histogram [13, 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] [2025-03-09 06:16:55,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-09 06:16:55,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-09 06:16:55,544 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:55,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:55,545 INFO L85 PathProgramCache]: Analyzing trace with hash -2025167499, now seen corresponding path program 2 times [2025-03-09 06:16:55,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:55,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980899561] [2025-03-09 06:16:55,545 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:16:55,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:55,620 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 117 statements into 2 equivalence classes. [2025-03-09 06:16:55,736 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 117 of 117 statements. [2025-03-09 06:16:55,737 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:16:55,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 71 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-03-09 06:16:55,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:55,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980899561] [2025-03-09 06:16:55,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980899561] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:16:55,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469670544] [2025-03-09 06:16:55,999 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:16:55,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:55,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:56,001 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) [2025-03-09 06:16:56,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 06:16:56,245 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 117 statements into 2 equivalence classes. [2025-03-09 06:16:56,488 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 117 of 117 statements. [2025-03-09 06:16:56,488 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:16:56,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:56,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-09 06:16:56,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:56,587 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 62 proven. 36 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-09 06:16:56,587 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:16:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 62 proven. 36 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-09 06:16:56,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469670544] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:16:56,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:16:56,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 12] total 28 [2025-03-09 06:16:56,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049328480] [2025-03-09 06:16:56,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:16:56,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-03-09 06:16:56,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:56,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-03-09 06:16:56,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2025-03-09 06:16:56,825 INFO L87 Difference]: Start difference. First operand 2660 states and 4927 transitions. Second operand has 28 states, 28 states have (on average 4.607142857142857) internal successors, (129), 28 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 06:16:58,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:58,558 INFO L93 Difference]: Finished difference Result 5245 states and 9769 transitions. [2025-03-09 06:16:58,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-09 06:16:58,559 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.607142857142857) internal successors, (129), 28 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 117 [2025-03-09 06:16:58,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:58,572 INFO L225 Difference]: With dead ends: 5245 [2025-03-09 06:16:58,572 INFO L226 Difference]: Without dead ends: 2680 [2025-03-09 06:16:58,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=682, Invalid=1480, Unknown=0, NotChecked=0, Total=2162 [2025-03-09 06:16:58,580 INFO L435 NwaCegarLoop]: 2417 mSDtfsCounter, 12 mSDsluCounter, 33805 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 36222 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:58,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 36222 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 06:16:58,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2025-03-09 06:16:58,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2674. [2025-03-09 06:16:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 1657 states have (on average 1.7724803862401932) internal successors, (2937), 2664 states have internal predecessors, (2937), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2025-03-09 06:16:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 4951 transitions. [2025-03-09 06:16:58,877 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 4951 transitions. Word has length 117 [2025-03-09 06:16:58,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:58,878 INFO L471 AbstractCegarLoop]: Abstraction has 2674 states and 4951 transitions. [2025-03-09 06:16:58,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.607142857142857) internal successors, (129), 28 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 06:16:58,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 4951 transitions. [2025-03-09 06:16:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-09 06:16:58,879 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:58,879 INFO L218 NwaCegarLoop]: trace histogram [27, 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] [2025-03-09 06:16:58,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-09 06:16:59,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-09 06:16:59,080 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:16:59,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:59,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1641719083, now seen corresponding path program 3 times [2025-03-09 06:16:59,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:59,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927146156] [2025-03-09 06:16:59,080 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:16:59,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:59,142 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 131 statements into 11 equivalence classes. [2025-03-09 06:16:59,171 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 97 of 131 statements. [2025-03-09 06:16:59,171 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-09 06:16:59,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:59,377 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2025-03-09 06:16:59,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:59,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927146156] [2025-03-09 06:16:59,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927146156] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:59,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:59,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:16:59,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083481410] [2025-03-09 06:16:59,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:59,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:16:59,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:59,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:16:59,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-09 06:16:59,380 INFO L87 Difference]: Start difference. First operand 2674 states and 4951 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) [2025-03-09 06:16:59,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:59,774 INFO L93 Difference]: Finished difference Result 5299 states and 9845 transitions. [2025-03-09 06:16:59,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 06:16:59,775 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 131 [2025-03-09 06:16:59,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:59,790 INFO L225 Difference]: With dead ends: 5299 [2025-03-09 06:16:59,790 INFO L226 Difference]: Without dead ends: 2684 [2025-03-09 06:16:59,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:16:59,796 INFO L435 NwaCegarLoop]: 2407 mSDtfsCounter, 13 mSDsluCounter, 11725 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 14132 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:59,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 14132 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 06:16:59,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2025-03-09 06:17:00,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2674. [2025-03-09 06:17:00,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 1657 states have (on average 1.7724803862401932) internal successors, (2937), 2664 states have internal predecessors, (2937), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2025-03-09 06:17:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 4951 transitions. [2025-03-09 06:17:00,055 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 4951 transitions. Word has length 131 [2025-03-09 06:17:00,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:00,056 INFO L471 AbstractCegarLoop]: Abstraction has 2674 states and 4951 transitions. [2025-03-09 06:17:00,056 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) [2025-03-09 06:17:00,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 4951 transitions. [2025-03-09 06:17:00,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-09 06:17:00,057 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:00,057 INFO L218 NwaCegarLoop]: trace histogram [27, 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] [2025-03-09 06:17:00,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-09 06:17:00,057 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:17:00,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:00,057 INFO L85 PathProgramCache]: Analyzing trace with hash 997774666, now seen corresponding path program 1 times [2025-03-09 06:17:00,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:00,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091395271] [2025-03-09 06:17:00,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:00,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:00,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-09 06:17:00,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-09 06:17:00,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:00,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 237 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2025-03-09 06:17:00,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:00,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091395271] [2025-03-09 06:17:00,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091395271] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:17:00,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27066615] [2025-03-09 06:17:00,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:00,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:00,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:17:00,679 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) [2025-03-09 06:17:00,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-09 06:17:00,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-09 06:17:01,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-09 06:17:01,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:01,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:01,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-09 06:17:01,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:17:01,172 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2025-03-09 06:17:01,172 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:17:01,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27066615] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:17:01,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:17:01,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2025-03-09 06:17:01,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550512694] [2025-03-09 06:17:01,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:17:01,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:17:01,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:17:01,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:17:01,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2025-03-09 06:17:01,174 INFO L87 Difference]: Start difference. First operand 2674 states and 4951 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) [2025-03-09 06:17:01,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:17:01,490 INFO L93 Difference]: Finished difference Result 5309 states and 9858 transitions. [2025-03-09 06:17:01,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 06:17:01,491 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 131 [2025-03-09 06:17:01,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:17:01,510 INFO L225 Difference]: With dead ends: 5309 [2025-03-09 06:17:01,510 INFO L226 Difference]: Without dead ends: 2680 [2025-03-09 06:17:01,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2025-03-09 06:17:01,518 INFO L435 NwaCegarLoop]: 2397 mSDtfsCounter, 42 mSDsluCounter, 11741 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 14138 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:17:01,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 14138 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:17:01,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2025-03-09 06:17:01,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2660. [2025-03-09 06:17:01,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 1643 states have (on average 1.7735849056603774) internal successors, (2914), 2650 states have internal predecessors, (2914), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2025-03-09 06:17:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 4928 transitions. [2025-03-09 06:17:01,871 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 4928 transitions. Word has length 131 [2025-03-09 06:17:01,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:01,872 INFO L471 AbstractCegarLoop]: Abstraction has 2660 states and 4928 transitions. [2025-03-09 06:17:01,872 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) [2025-03-09 06:17:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 4928 transitions. [2025-03-09 06:17:01,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-09 06:17:01,873 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:01,873 INFO L218 NwaCegarLoop]: trace histogram [27, 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] [2025-03-09 06:17:01,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-09 06:17:02,074 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,SelfDestructingSolverStorable17 [2025-03-09 06:17:02,075 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:17:02,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:02,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1033215950, now seen corresponding path program 1 times [2025-03-09 06:17:02,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:02,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949021704] [2025-03-09 06:17:02,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:02,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:02,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-09 06:17:02,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-09 06:17:02,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:02,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 237 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2025-03-09 06:17:02,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:02,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949021704] [2025-03-09 06:17:02,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949021704] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:17:02,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054401359] [2025-03-09 06:17:02,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:02,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:02,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:17:02,616 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) [2025-03-09 06:17:02,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-09 06:17:02,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-09 06:17:03,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-09 06:17:03,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:03,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:03,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-09 06:17:03,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:17:18,783 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 21 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-09 06:17:23,280 WARN L851 $PredicateComparison]: unable to prove that (exists ((v_y_15 Int) (|ULTIMATE.start_main_~_ha_hashv~0#1| Int) (v_y_17 Int) (v_z_17 Int)) (let ((.cse0 (mod (+ (* |c_ULTIMATE.start_main_~_hj_j~0#1| 4294967295) (* 4294967294 |ULTIMATE.start_main_~_ha_hashv~0#1|) 4276993779) 4294967296)) (.cse1 (* v_y_17 4294967296))) (and (= (+ (* v_y_15 12884901888) (* 4 |ULTIMATE.start_main_~_ha_hashv~0#1|) (* v_y_17 12884901888) (* |c_ULTIMATE.start_main_~_hj_j~0#1| 2) (* v_z_17 12884901885)) 4276993779) (<= 4294967296 (+ .cse0 v_z_17)) (= (+ 1099511627776 |c_ULTIMATE.start_main_~_hj_j~0#1| (* v_y_15 4294967296) |ULTIMATE.start_main_~_ha_hashv~0#1| .cse1 (* v_z_17 4294967039)) (* .cse0 256)) (= (+ (mod (+ (* 2 |ULTIMATE.start_main_~_ha_hashv~0#1|) 2690382803 |c_ULTIMATE.start_main_~_hj_j~0#1|) 4294967296) (* v_z_17 4294967295) .cse1) 4294967296) (<= v_z_17 4294967295)))) is different from false [2025-03-09 06:17:23,321 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2025-03-09 06:17:23,321 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:17:23,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054401359] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:17:23,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:17:23,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 22 [2025-03-09 06:17:23,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811237158] [2025-03-09 06:17:23,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:17:23,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:17:23,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:17:23,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:17:23,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=374, Unknown=1, NotChecked=38, Total=462 [2025-03-09 06:17:23,323 INFO L87 Difference]: Start difference. First operand 2660 states and 4928 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 11 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) [2025-03-09 06:17:27,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-09 06:17:28,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:17:28,242 INFO L93 Difference]: Finished difference Result 5273 states and 9798 transitions. [2025-03-09 06:17:28,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 06:17:28,242 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 11 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 133 [2025-03-09 06:17:28,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:17:28,256 INFO L225 Difference]: With dead ends: 5273 [2025-03-09 06:17:28,256 INFO L226 Difference]: Without dead ends: 2670 [2025-03-09 06:17:28,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=49, Invalid=374, Unknown=1, NotChecked=38, Total=462 [2025-03-09 06:17:28,263 INFO L435 NwaCegarLoop]: 2402 mSDtfsCounter, 11 mSDsluCounter, 21088 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 23490 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 113 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-03-09 06:17:28,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 23490 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 873 Invalid, 1 Unknown, 113 Unchecked, 4.8s Time] [2025-03-09 06:17:28,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2025-03-09 06:17:28,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 2666. [2025-03-09 06:17:28,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 1649 states have (on average 1.7707701637355973) internal successors, (2920), 2656 states have internal predecessors, (2920), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2025-03-09 06:17:28,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 4934 transitions. [2025-03-09 06:17:28,485 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 4934 transitions. Word has length 133 [2025-03-09 06:17:28,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:28,486 INFO L471 AbstractCegarLoop]: Abstraction has 2666 states and 4934 transitions. [2025-03-09 06:17:28,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 11 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) [2025-03-09 06:17:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 4934 transitions. [2025-03-09 06:17:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-09 06:17:28,487 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:28,487 INFO L218 NwaCegarLoop]: trace histogram [27, 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] [2025-03-09 06:17:28,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-09 06:17:28,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:28,687 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-09 06:17:28,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:28,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1508381874, now seen corresponding path program 1 times [2025-03-09 06:17:28,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:28,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221547843] [2025-03-09 06:17:28,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:28,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:28,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-09 06:17:29,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-09 06:17:29,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:29,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 237 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2025-03-09 06:17:29,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:29,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221547843] [2025-03-09 06:17:29,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221547843] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:17:29,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299137631] [2025-03-09 06:17:29,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:29,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:29,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:17:29,433 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) [2025-03-09 06:17:29,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-09 06:17:29,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-09 06:17:30,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-09 06:17:30,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:30,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:30,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 256 conjuncts are in the unsatisfiable core [2025-03-09 06:17:30,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:17:30,377 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 [2025-03-09 06:17:30,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2025-03-09 06:17:30,417 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 [2025-03-09 06:17:30,449 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 [2025-03-09 06:17:30,617 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 7 treesize of output 3 [2025-03-09 06:17:30,703 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2025-03-09 06:17:30,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2025-03-09 06:17:30,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-09 06:17:30,777 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 18 treesize of output 10 [2025-03-09 06:17:30,940 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2025-03-09 06:17:30,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33