./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/wc-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/busybox-1.22.0/wc-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 0965f22672c6a292fec01d227f055efac5960ba3033d74ae9dd8eaa6c3af30ea --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 05:57:27,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 05:57:27,541 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-09 05:57:27,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 05:57:27,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 05:57:27,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 05:57:27,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 05:57:27,565 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 05:57:27,565 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 05:57:27,565 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 05:57:27,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 05:57:27,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 05:57:27,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 05:57:27,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 05:57:27,566 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 05:57:27,566 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 05:57:27,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 05:57:27,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 05:57:27,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 05:57:27,567 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 05:57:27,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 05:57:27,567 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 05:57:27,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 05:57:27,567 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 05:57:27,567 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 05:57:27,567 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 05:57:27,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 05:57:27,567 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0965f22672c6a292fec01d227f055efac5960ba3033d74ae9dd8eaa6c3af30ea [2025-03-09 05:57:27,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 05:57:27,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 05:57:27,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 05:57:27,794 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 05:57:27,794 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 05:57:27,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/wc-1.i [2025-03-09 05:57:28,908 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80bf35ff0/cc0a1b2d992c4595801ac5cd34dfaa00/FLAG574f88428 [2025-03-09 05:57:29,342 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 05:57:29,343 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/wc-1.i [2025-03-09 05:57:29,375 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80bf35ff0/cc0a1b2d992c4595801ac5cd34dfaa00/FLAG574f88428 [2025-03-09 05:57:29,393 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80bf35ff0/cc0a1b2d992c4595801ac5cd34dfaa00 [2025-03-09 05:57:29,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 05:57:29,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 05:57:29,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 05:57:29,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 05:57:29,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 05:57:29,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 05:57:29" (1/1) ... [2025-03-09 05:57:29,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39718001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:29, skipping insertion in model container [2025-03-09 05:57:29,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 05:57:29" (1/1) ... [2025-03-09 05:57:29,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 05:57:30,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 05:57:30,178 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 05:57:30,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 05:57:30,425 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-03-09 05:57:30,431 INFO L204 MainTranslator]: Completed translation [2025-03-09 05:57:30,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30 WrapperNode [2025-03-09 05:57:30,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 05:57:30,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 05:57:30,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 05:57:30,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 05:57:30,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (1/1) ... [2025-03-09 05:57:30,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (1/1) ... [2025-03-09 05:57:30,527 INFO L138 Inliner]: procedures = 577, calls = 807, calls flagged for inlining = 31, calls inlined = 29, statements flattened = 2177 [2025-03-09 05:57:30,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 05:57:30,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 05:57:30,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 05:57:30,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 05:57:30,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (1/1) ... [2025-03-09 05:57:30,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (1/1) ... [2025-03-09 05:57:30,549 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (1/1) ... [2025-03-09 05:57:30,554 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-09 05:57:30,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (1/1) ... [2025-03-09 05:57:30,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (1/1) ... [2025-03-09 05:57:30,594 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (1/1) ... [2025-03-09 05:57:30,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (1/1) ... [2025-03-09 05:57:30,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (1/1) ... [2025-03-09 05:57:30,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (1/1) ... [2025-03-09 05:57:30,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 05:57:30,639 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 05:57:30,639 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 05:57:30,639 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 05:57:30,640 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (1/1) ... [2025-03-09 05:57:30,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 05:57:30,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:57:30,667 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 05:57:30,669 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 05:57:30,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-03-09 05:57:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 05:57:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-03-09 05:57:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-03-09 05:57:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2025-03-09 05:57:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-03-09 05:57:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-09 05:57:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-03-09 05:57:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-03-09 05:57:30,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-09 05:57:31,029 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 05:57:31,030 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 05:57:36,213 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2911: call ULTIMATE.dealloc(__main_~#counts~0#1.base, __main_~#counts~0#1.offset);havoc __main_~#counts~0#1.base, __main_~#counts~0#1.offset;call ULTIMATE.dealloc(__main_~#totals~0#1.base, __main_~#totals~0#1.offset);havoc __main_~#totals~0#1.base, __main_~#totals~0#1.offset; [2025-03-09 05:57:36,213 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3215: havoc getopt_long_#t~ret291#1; [2025-03-09 05:57:36,213 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2962: havoc __main_~return_value_ferror$2~0#1; [2025-03-09 05:57:36,213 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3164: havoc _IO_getc_#t~nondet262#1; [2025-03-09 05:57:36,213 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2375: havoc fclose_if_not_stdin_#t~bitwise74#1; [2025-03-09 05:57:36,213 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2444: call ULTIMATE.dealloc(getopt32_~#complementary~0#1.base, getopt32_~#complementary~0#1.offset);havoc getopt32_~#complementary~0#1.base, getopt32_~#complementary~0#1.offset; [2025-03-09 05:57:36,361 INFO L? ?]: Removed 671 outVars from TransFormulas that were not future-live. [2025-03-09 05:57:36,361 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 05:57:36,406 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 05:57:36,407 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 05:57:36,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 05:57:36 BoogieIcfgContainer [2025-03-09 05:57:36,408 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 05:57:36,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 05:57:36,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 05:57:36,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 05:57:36,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 05:57:29" (1/3) ... [2025-03-09 05:57:36,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0f8379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 05:57:36, skipping insertion in model container [2025-03-09 05:57:36,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:57:30" (2/3) ... [2025-03-09 05:57:36,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0f8379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 05:57:36, skipping insertion in model container [2025-03-09 05:57:36,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 05:57:36" (3/3) ... [2025-03-09 05:57:36,415 INFO L128 eAbstractionObserver]: Analyzing ICFG wc-1.i [2025-03-09 05:57:36,426 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 05:57:36,429 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG wc-1.i that has 8 procedures, 586 locations, 1 initial locations, 33 loop locations, and 74 error locations. [2025-03-09 05:57:36,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 05:57:36,491 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;@7f1ebf63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 05:57:36,491 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2025-03-09 05:57:36,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 586 states, 482 states have (on average 1.661825726141079) internal successors, (801), 558 states have internal predecessors, (801), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-09 05:57:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-09 05:57:36,499 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:36,499 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-09 05:57:36,500 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:36,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:36,503 INFO L85 PathProgramCache]: Analyzing trace with hash 30659839, now seen corresponding path program 1 times [2025-03-09 05:57:36,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:36,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704039646] [2025-03-09 05:57:36,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:36,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:36,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 05:57:37,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 05:57:37,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:37,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:37,379 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 05:57:37,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:37,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704039646] [2025-03-09 05:57:37,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704039646] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:37,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:57:37,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:57:37,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630012453] [2025-03-09 05:57:37,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:37,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:57:37,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:37,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:57:37,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:37,403 INFO L87 Difference]: Start difference. First operand has 586 states, 482 states have (on average 1.661825726141079) internal successors, (801), 558 states have internal predecessors, (801), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 05:57:37,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:37,622 INFO L93 Difference]: Finished difference Result 1060 states and 1565 transitions. [2025-03-09 05:57:37,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:57:37,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-03-09 05:57:37,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:37,633 INFO L225 Difference]: With dead ends: 1060 [2025-03-09 05:57:37,634 INFO L226 Difference]: Without dead ends: 477 [2025-03-09 05:57:37,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:37,641 INFO L435 NwaCegarLoop]: 645 mSDtfsCounter, 1 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1286 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:37,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1286 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 05:57:37,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2025-03-09 05:57:37,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2025-03-09 05:57:37,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 408 states have (on average 1.5759803921568627) internal successors, (643), 457 states have internal predecessors, (643), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:37,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 674 transitions. [2025-03-09 05:57:37,703 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 674 transitions. Word has length 4 [2025-03-09 05:57:37,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:37,703 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 674 transitions. [2025-03-09 05:57:37,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 05:57:37,705 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 674 transitions. [2025-03-09 05:57:37,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 05:57:37,705 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:37,705 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-03-09 05:57:37,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 05:57:37,706 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:37,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:37,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1439846783, now seen corresponding path program 1 times [2025-03-09 05:57:37,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:37,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503281000] [2025-03-09 05:57:37,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:37,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:38,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 05:57:38,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 05:57:38,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:38,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 05:57:38,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:38,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503281000] [2025-03-09 05:57:38,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503281000] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:57:38,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568322239] [2025-03-09 05:57:38,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:38,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:57:38,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:57:38,337 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 05:57:38,339 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 05:57:38,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 05:57:38,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 05:57:38,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:38,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:38,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 05:57:38,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 05:57:39,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 05:57:39,009 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 05:57:39,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568322239] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:39,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 05:57:39,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-09 05:57:39,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410789726] [2025-03-09 05:57:39,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:39,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 05:57:39,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:39,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 05:57:39,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 05:57:39,011 INFO L87 Difference]: Start difference. First operand 477 states and 674 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 05:57:39,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:39,127 INFO L93 Difference]: Finished difference Result 477 states and 674 transitions. [2025-03-09 05:57:39,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 05:57:39,127 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 05:57:39,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:39,130 INFO L225 Difference]: With dead ends: 477 [2025-03-09 05:57:39,130 INFO L226 Difference]: Without dead ends: 476 [2025-03-09 05:57:39,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 05:57:39,131 INFO L435 NwaCegarLoop]: 640 mSDtfsCounter, 1 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:39,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1279 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:57:39,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2025-03-09 05:57:39,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2025-03-09 05:57:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 408 states have (on average 1.5735294117647058) internal successors, (642), 456 states have internal predecessors, (642), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 673 transitions. [2025-03-09 05:57:39,146 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 673 transitions. Word has length 7 [2025-03-09 05:57:39,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:39,146 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 673 transitions. [2025-03-09 05:57:39,146 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 05:57:39,146 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 673 transitions. [2025-03-09 05:57:39,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 05:57:39,146 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:39,146 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-03-09 05:57:39,156 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 05:57:39,347 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 05:57:39,347 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:39,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:39,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1685576383, now seen corresponding path program 1 times [2025-03-09 05:57:39,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:39,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441759568] [2025-03-09 05:57:39,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:39,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:39,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 05:57:39,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 05:57:39,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:39,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:39,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 05:57:39,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:39,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441759568] [2025-03-09 05:57:39,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441759568] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:39,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:57:39,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:57:39,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104250813] [2025-03-09 05:57:39,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:39,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:57:39,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:39,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:57:39,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:39,749 INFO L87 Difference]: Start difference. First operand 476 states and 673 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 05:57:39,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:39,868 INFO L93 Difference]: Finished difference Result 476 states and 673 transitions. [2025-03-09 05:57:39,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:57:39,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 05:57:39,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:39,872 INFO L225 Difference]: With dead ends: 476 [2025-03-09 05:57:39,872 INFO L226 Difference]: Without dead ends: 475 [2025-03-09 05:57:39,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:39,872 INFO L435 NwaCegarLoop]: 641 mSDtfsCounter, 0 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:39,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1280 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:57:39,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2025-03-09 05:57:39,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 473. [2025-03-09 05:57:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 406 states have (on average 1.5738916256157636) internal successors, (639), 453 states have internal predecessors, (639), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 670 transitions. [2025-03-09 05:57:39,892 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 670 transitions. Word has length 8 [2025-03-09 05:57:39,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:39,893 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 670 transitions. [2025-03-09 05:57:39,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 05:57:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 670 transitions. [2025-03-09 05:57:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-09 05:57:39,893 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:39,893 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:39,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 05:57:39,894 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:39,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:39,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1171776213, now seen corresponding path program 1 times [2025-03-09 05:57:39,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:39,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321270766] [2025-03-09 05:57:39,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:39,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:40,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 05:57:40,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 05:57:40,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:40,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 05:57:40,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:40,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321270766] [2025-03-09 05:57:40,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321270766] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:57:40,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058681649] [2025-03-09 05:57:40,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:40,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:57:40,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:57:40,429 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 05:57:40,431 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 05:57:40,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 05:57:41,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 05:57:41,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:41,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:41,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 1552 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 05:57:41,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 05:57:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 05:57:41,048 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 05:57:41,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058681649] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:41,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 05:57:41,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-09 05:57:41,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460533478] [2025-03-09 05:57:41,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:41,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:57:41,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:41,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:57:41,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 05:57:41,049 INFO L87 Difference]: Start difference. First operand 473 states and 670 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:41,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:41,159 INFO L93 Difference]: Finished difference Result 473 states and 670 transitions. [2025-03-09 05:57:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:57:41,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2025-03-09 05:57:41,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:41,162 INFO L225 Difference]: With dead ends: 473 [2025-03-09 05:57:41,162 INFO L226 Difference]: Without dead ends: 471 [2025-03-09 05:57:41,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 05:57:41,163 INFO L435 NwaCegarLoop]: 634 mSDtfsCounter, 591 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:41,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 694 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:57:41,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2025-03-09 05:57:41,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2025-03-09 05:57:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 406 states have (on average 1.5689655172413792) internal successors, (637), 451 states have internal predecessors, (637), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:41,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 668 transitions. [2025-03-09 05:57:41,179 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 668 transitions. Word has length 12 [2025-03-09 05:57:41,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:41,180 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 668 transitions. [2025-03-09 05:57:41,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:41,181 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 668 transitions. [2025-03-09 05:57:41,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-09 05:57:41,182 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:41,183 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:41,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-09 05:57:41,387 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,SelfDestructingSolverStorable3 [2025-03-09 05:57:41,387 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:41,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:41,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1965323311, now seen corresponding path program 1 times [2025-03-09 05:57:41,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:41,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086518171] [2025-03-09 05:57:41,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:41,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:41,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 05:57:41,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 05:57:41,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:41,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 05:57:41,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:41,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086518171] [2025-03-09 05:57:41,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086518171] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:57:41,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773807791] [2025-03-09 05:57:41,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:41,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:57:41,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:57:41,828 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 05:57:41,830 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 05:57:42,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 05:57:42,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 05:57:42,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:42,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:42,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 05:57:42,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 05:57:42,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 05:57:42,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 05:57:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 05:57:42,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773807791] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 05:57:42,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 05:57:42,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-09 05:57:42,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053780147] [2025-03-09 05:57:42,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 05:57:42,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 05:57:42,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:42,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 05:57:42,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 05:57:42,514 INFO L87 Difference]: Start difference. First operand 471 states and 668 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 05:57:42,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:42,657 INFO L93 Difference]: Finished difference Result 945 states and 1341 transitions. [2025-03-09 05:57:42,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 05:57:42,658 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2025-03-09 05:57:42,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:42,660 INFO L225 Difference]: With dead ends: 945 [2025-03-09 05:57:42,660 INFO L226 Difference]: Without dead ends: 480 [2025-03-09 05:57:42,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 05:57:42,661 INFO L435 NwaCegarLoop]: 639 mSDtfsCounter, 4 mSDsluCounter, 1274 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1913 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:42,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1913 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:57:42,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2025-03-09 05:57:42,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480. [2025-03-09 05:57:42,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 415 states have (on average 1.5566265060240965) internal successors, (646), 460 states have internal predecessors, (646), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:42,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 677 transitions. [2025-03-09 05:57:42,675 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 677 transitions. Word has length 13 [2025-03-09 05:57:42,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:42,675 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 677 transitions. [2025-03-09 05:57:42,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 05:57:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 677 transitions. [2025-03-09 05:57:42,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-09 05:57:42,676 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:42,676 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:42,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 05:57:42,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:57:42,877 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:42,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:42,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1247976783, now seen corresponding path program 2 times [2025-03-09 05:57:42,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:42,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037336514] [2025-03-09 05:57:42,877 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 05:57:42,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:43,181 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-03-09 05:57:43,213 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 22 statements. [2025-03-09 05:57:43,213 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 05:57:43,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:43,441 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-09 05:57:43,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:43,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037336514] [2025-03-09 05:57:43,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037336514] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:43,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:57:43,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 05:57:43,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581223331] [2025-03-09 05:57:43,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:43,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 05:57:43,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:43,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 05:57:43,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 05:57:43,443 INFO L87 Difference]: Start difference. First operand 480 states and 677 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:43,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:43,615 INFO L93 Difference]: Finished difference Result 480 states and 677 transitions. [2025-03-09 05:57:43,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 05:57:43,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2025-03-09 05:57:43,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:43,618 INFO L225 Difference]: With dead ends: 480 [2025-03-09 05:57:43,618 INFO L226 Difference]: Without dead ends: 478 [2025-03-09 05:57:43,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 05:57:43,620 INFO L435 NwaCegarLoop]: 631 mSDtfsCounter, 590 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:43,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 1945 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:57:43,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2025-03-09 05:57:43,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2025-03-09 05:57:43,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 415 states have (on average 1.5518072289156626) internal successors, (644), 458 states have internal predecessors, (644), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 675 transitions. [2025-03-09 05:57:43,633 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 675 transitions. Word has length 22 [2025-03-09 05:57:43,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:43,633 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 675 transitions. [2025-03-09 05:57:43,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:43,633 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 675 transitions. [2025-03-09 05:57:43,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-09 05:57:43,634 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:43,634 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:43,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 05:57:43,634 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:43,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:43,634 INFO L85 PathProgramCache]: Analyzing trace with hash -2030623576, now seen corresponding path program 1 times [2025-03-09 05:57:43,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:43,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282494592] [2025-03-09 05:57:43,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:43,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:43,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 05:57:43,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 05:57:43,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:43,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-09 05:57:44,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:44,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282494592] [2025-03-09 05:57:44,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282494592] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:44,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:57:44,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:57:44,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717287349] [2025-03-09 05:57:44,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:44,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:57:44,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:44,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:57:44,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:44,062 INFO L87 Difference]: Start difference. First operand 478 states and 675 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:44,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:44,171 INFO L93 Difference]: Finished difference Result 939 states and 1334 transitions. [2025-03-09 05:57:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:57:44,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2025-03-09 05:57:44,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:44,174 INFO L225 Difference]: With dead ends: 939 [2025-03-09 05:57:44,174 INFO L226 Difference]: Without dead ends: 481 [2025-03-09 05:57:44,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:44,175 INFO L435 NwaCegarLoop]: 637 mSDtfsCounter, 1 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:44,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1269 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:57:44,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2025-03-09 05:57:44,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2025-03-09 05:57:44,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 418 states have (on average 1.5478468899521531) internal successors, (647), 461 states have internal predecessors, (647), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:44,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 678 transitions. [2025-03-09 05:57:44,187 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 678 transitions. Word has length 27 [2025-03-09 05:57:44,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:44,187 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 678 transitions. [2025-03-09 05:57:44,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 678 transitions. [2025-03-09 05:57:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-09 05:57:44,188 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:44,188 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:44,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 05:57:44,188 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:44,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:44,189 INFO L85 PathProgramCache]: Analyzing trace with hash 308319272, now seen corresponding path program 1 times [2025-03-09 05:57:44,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:44,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528721548] [2025-03-09 05:57:44,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:44,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:44,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 05:57:44,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 05:57:44,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:44,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-09 05:57:44,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:44,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528721548] [2025-03-09 05:57:44,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528721548] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:57:44,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392225572] [2025-03-09 05:57:44,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:44,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:57:44,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:57:44,623 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 05:57:44,625 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 05:57:45,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 05:57:45,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 05:57:45,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:45,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:45,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 05:57:45,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 05:57:45,408 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 05:57:45,409 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 05:57:45,550 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 05:57:45,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392225572] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 05:57:45,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 05:57:45,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2025-03-09 05:57:45,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100565034] [2025-03-09 05:57:45,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 05:57:45,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 05:57:45,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:45,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 05:57:45,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-03-09 05:57:45,551 INFO L87 Difference]: Start difference. First operand 481 states and 678 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 05:57:45,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:45,827 INFO L93 Difference]: Finished difference Result 964 states and 1364 transitions. [2025-03-09 05:57:45,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 05:57:45,828 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2025-03-09 05:57:45,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:45,831 INFO L225 Difference]: With dead ends: 964 [2025-03-09 05:57:45,831 INFO L226 Difference]: Without dead ends: 498 [2025-03-09 05:57:45,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-03-09 05:57:45,832 INFO L435 NwaCegarLoop]: 631 mSDtfsCounter, 5 mSDsluCounter, 2516 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3147 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:45,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3147 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 05:57:45,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2025-03-09 05:57:45,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2025-03-09 05:57:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 436 states have (on average 1.5229357798165137) internal successors, (664), 478 states have internal predecessors, (664), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:45,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 695 transitions. [2025-03-09 05:57:45,848 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 695 transitions. Word has length 30 [2025-03-09 05:57:45,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:45,848 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 695 transitions. [2025-03-09 05:57:45,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-09 05:57:45,849 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 695 transitions. [2025-03-09 05:57:45,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-09 05:57:45,851 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:45,851 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:45,862 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 05:57:46,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:57:46,051 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:46,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:46,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1314192840, now seen corresponding path program 1 times [2025-03-09 05:57:46,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:46,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922550427] [2025-03-09 05:57:46,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:46,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:46,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 05:57:46,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 05:57:46,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:46,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:46,539 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-03-09 05:57:46,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:46,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922550427] [2025-03-09 05:57:46,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922550427] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:46,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:57:46,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:57:46,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497897364] [2025-03-09 05:57:46,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:46,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:57:46,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:46,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:57:46,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:46,542 INFO L87 Difference]: Start difference. First operand 498 states and 695 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:46,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:46,680 INFO L93 Difference]: Finished difference Result 510 states and 709 transitions. [2025-03-09 05:57:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:57:46,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2025-03-09 05:57:46,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:46,683 INFO L225 Difference]: With dead ends: 510 [2025-03-09 05:57:46,683 INFO L226 Difference]: Without dead ends: 508 [2025-03-09 05:57:46,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:46,683 INFO L435 NwaCegarLoop]: 634 mSDtfsCounter, 2 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:46,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1264 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:57:46,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2025-03-09 05:57:46,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 507. [2025-03-09 05:57:46,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 445 states have (on average 1.5191011235955056) internal successors, (676), 487 states have internal predecessors, (676), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 707 transitions. [2025-03-09 05:57:46,697 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 707 transitions. Word has length 48 [2025-03-09 05:57:46,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:46,697 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 707 transitions. [2025-03-09 05:57:46,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:46,698 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 707 transitions. [2025-03-09 05:57:46,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-09 05:57:46,699 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:46,699 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:46,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 05:57:46,699 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:46,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:46,700 INFO L85 PathProgramCache]: Analyzing trace with hash 987820488, now seen corresponding path program 1 times [2025-03-09 05:57:46,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:46,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973372820] [2025-03-09 05:57:46,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:46,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:46,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 05:57:46,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 05:57:46,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:46,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-09 05:57:47,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:47,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973372820] [2025-03-09 05:57:47,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973372820] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:47,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:57:47,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:57:47,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506651302] [2025-03-09 05:57:47,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:47,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:57:47,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:47,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:57:47,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:47,144 INFO L87 Difference]: Start difference. First operand 507 states and 707 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:47,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:47,301 INFO L93 Difference]: Finished difference Result 805 states and 1145 transitions. [2025-03-09 05:57:47,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:57:47,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2025-03-09 05:57:47,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:47,305 INFO L225 Difference]: With dead ends: 805 [2025-03-09 05:57:47,305 INFO L226 Difference]: Without dead ends: 803 [2025-03-09 05:57:47,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:47,306 INFO L435 NwaCegarLoop]: 631 mSDtfsCounter, 412 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:47,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1254 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:57:47,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2025-03-09 05:57:47,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 511. [2025-03-09 05:57:47,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 449 states have (on average 1.5167037861915367) internal successors, (681), 491 states have internal predecessors, (681), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:47,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 712 transitions. [2025-03-09 05:57:47,323 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 712 transitions. Word has length 48 [2025-03-09 05:57:47,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:47,324 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 712 transitions. [2025-03-09 05:57:47,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 712 transitions. [2025-03-09 05:57:47,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-09 05:57:47,326 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:47,326 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:47,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 05:57:47,327 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:47,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:47,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2085278250, now seen corresponding path program 1 times [2025-03-09 05:57:47,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:47,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481342412] [2025-03-09 05:57:47,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:47,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:47,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-09 05:57:47,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-09 05:57:47,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:47,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-03-09 05:57:47,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:47,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481342412] [2025-03-09 05:57:47,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481342412] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:47,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:57:47,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:57:47,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307736216] [2025-03-09 05:57:47,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:47,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:57:47,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:47,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:57:47,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:47,746 INFO L87 Difference]: Start difference. First operand 511 states and 712 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:47,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:47,851 INFO L93 Difference]: Finished difference Result 511 states and 712 transitions. [2025-03-09 05:57:47,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:57:47,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2025-03-09 05:57:47,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:47,855 INFO L225 Difference]: With dead ends: 511 [2025-03-09 05:57:47,855 INFO L226 Difference]: Without dead ends: 510 [2025-03-09 05:57:47,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:47,856 INFO L435 NwaCegarLoop]: 635 mSDtfsCounter, 0 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:47,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1267 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:57:47,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2025-03-09 05:57:47,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 506. [2025-03-09 05:57:47,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 445 states have (on average 1.5168539325842696) internal successors, (675), 486 states have internal predecessors, (675), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 706 transitions. [2025-03-09 05:57:47,870 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 706 transitions. Word has length 49 [2025-03-09 05:57:47,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:47,871 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 706 transitions. [2025-03-09 05:57:47,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 706 transitions. [2025-03-09 05:57:47,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-09 05:57:47,872 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:47,872 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:47,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 05:57:47,872 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:47,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:47,873 INFO L85 PathProgramCache]: Analyzing trace with hash 463056204, now seen corresponding path program 1 times [2025-03-09 05:57:47,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:47,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430111642] [2025-03-09 05:57:47,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:47,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:48,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-09 05:57:48,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-09 05:57:48,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:48,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:48,317 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-09 05:57:48,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:48,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430111642] [2025-03-09 05:57:48,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430111642] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:57:48,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959170707] [2025-03-09 05:57:48,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:48,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:57:48,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:57:48,320 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 05:57:48,321 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 05:57:48,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-09 05:57:49,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-09 05:57:49,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:49,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:49,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 1883 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 05:57:49,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 05:57:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-09 05:57:49,099 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 05:57:49,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959170707] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:49,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 05:57:49,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-09 05:57:49,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209745132] [2025-03-09 05:57:49,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:49,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 05:57:49,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:49,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 05:57:49,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 05:57:49,100 INFO L87 Difference]: Start difference. First operand 506 states and 706 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:49,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:49,280 INFO L93 Difference]: Finished difference Result 802 states and 1142 transitions. [2025-03-09 05:57:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 05:57:49,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2025-03-09 05:57:49,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:49,283 INFO L225 Difference]: With dead ends: 802 [2025-03-09 05:57:49,285 INFO L226 Difference]: Without dead ends: 801 [2025-03-09 05:57:49,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 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 05:57:49,286 INFO L435 NwaCegarLoop]: 1036 mSDtfsCounter, 823 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:49,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 1665 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 05:57:49,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2025-03-09 05:57:49,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 505. [2025-03-09 05:57:49,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 445 states have (on average 1.5146067415730338) internal successors, (674), 485 states have internal predecessors, (674), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 705 transitions. [2025-03-09 05:57:49,302 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 705 transitions. Word has length 52 [2025-03-09 05:57:49,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:49,302 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 705 transitions. [2025-03-09 05:57:49,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:49,303 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 705 transitions. [2025-03-09 05:57:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-09 05:57:49,303 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:49,303 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:49,314 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 05:57:49,504 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 05:57:49,504 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:49,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:49,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1469841302, now seen corresponding path program 1 times [2025-03-09 05:57:49,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:49,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569148239] [2025-03-09 05:57:49,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:49,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:49,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-09 05:57:49,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-09 05:57:49,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:49,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:49,930 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-09 05:57:49,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:49,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569148239] [2025-03-09 05:57:49,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569148239] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:57:49,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973689962] [2025-03-09 05:57:49,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:49,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:57:49,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:57:49,933 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 05:57:49,934 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 05:57:50,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-09 05:57:50,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-09 05:57:50,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:50,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:50,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 1884 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 05:57:50,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 05:57:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-09 05:57:50,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 05:57:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-09 05:57:50,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973689962] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 05:57:50,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 05:57:50,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-09 05:57:50,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982465074] [2025-03-09 05:57:50,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 05:57:50,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 05:57:50,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:50,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 05:57:50,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 05:57:50,823 INFO L87 Difference]: Start difference. First operand 505 states and 705 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:51,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:51,272 INFO L93 Difference]: Finished difference Result 1686 states and 2447 transitions. [2025-03-09 05:57:51,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 05:57:51,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2025-03-09 05:57:51,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:51,278 INFO L225 Difference]: With dead ends: 1686 [2025-03-09 05:57:51,278 INFO L226 Difference]: Without dead ends: 1685 [2025-03-09 05:57:51,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 05:57:51,279 INFO L435 NwaCegarLoop]: 629 mSDtfsCounter, 2536 mSDsluCounter, 2531 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 3160 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:51,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2564 Valid, 3160 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 05:57:51,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2025-03-09 05:57:51,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 517. [2025-03-09 05:57:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 457 states have (on average 1.5076586433260395) internal successors, (689), 497 states have internal predecessors, (689), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 720 transitions. [2025-03-09 05:57:51,298 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 720 transitions. Word has length 53 [2025-03-09 05:57:51,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:51,298 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 720 transitions. [2025-03-09 05:57:51,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 720 transitions. [2025-03-09 05:57:51,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-09 05:57:51,299 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:51,299 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:51,311 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 05:57:51,500 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 05:57:51,500 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:51,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:51,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2040791168, now seen corresponding path program 1 times [2025-03-09 05:57:51,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:51,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430854193] [2025-03-09 05:57:51,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:51,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:51,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-09 05:57:51,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-09 05:57:51,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:51,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-03-09 05:57:51,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:51,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430854193] [2025-03-09 05:57:51,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430854193] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:57:51,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862761828] [2025-03-09 05:57:51,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:51,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:57:51,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:57:51,947 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 05:57:51,948 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 05:57:52,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-09 05:57:52,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-09 05:57:52,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:52,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:52,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 1907 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 05:57:52,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 05:57:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-03-09 05:57:52,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 05:57:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-03-09 05:57:52,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862761828] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 05:57:52,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 05:57:52,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-09 05:57:52,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156836062] [2025-03-09 05:57:52,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 05:57:52,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 05:57:52,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:52,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 05:57:52,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 05:57:52,778 INFO L87 Difference]: Start difference. First operand 517 states and 720 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:52,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:52,972 INFO L93 Difference]: Finished difference Result 1009 states and 1417 transitions. [2025-03-09 05:57:52,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 05:57:52,972 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-03-09 05:57:52,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:52,974 INFO L225 Difference]: With dead ends: 1009 [2025-03-09 05:57:52,974 INFO L226 Difference]: Without dead ends: 535 [2025-03-09 05:57:52,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 05:57:52,976 INFO L435 NwaCegarLoop]: 634 mSDtfsCounter, 4 mSDsluCounter, 2524 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3158 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:52,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3158 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 05:57:52,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2025-03-09 05:57:52,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2025-03-09 05:57:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 475 states have (on average 1.4884210526315789) internal successors, (707), 515 states have internal predecessors, (707), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 05:57:52,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 738 transitions. [2025-03-09 05:57:52,988 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 738 transitions. Word has length 55 [2025-03-09 05:57:52,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:52,988 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 738 transitions. [2025-03-09 05:57:52,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:52,989 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 738 transitions. [2025-03-09 05:57:52,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-09 05:57:52,989 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:52,989 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:57:53,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-09 05:57:53,190 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 05:57:53,190 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:53,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:53,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1282489666, now seen corresponding path program 1 times [2025-03-09 05:57:53,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:53,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949900316] [2025-03-09 05:57:53,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:53,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:53,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-09 05:57:53,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-09 05:57:53,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:53,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:53,586 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-09 05:57:53,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:53,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949900316] [2025-03-09 05:57:53,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949900316] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:53,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:57:53,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:57:53,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666411464] [2025-03-09 05:57:53,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:53,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:57:53,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:53,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:57:53,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:53,588 INFO L87 Difference]: Start difference. First operand 535 states and 738 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 05:57:53,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:53,802 INFO L93 Difference]: Finished difference Result 1045 states and 1471 transitions. [2025-03-09 05:57:53,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:57:53,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2025-03-09 05:57:53,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:53,806 INFO L225 Difference]: With dead ends: 1045 [2025-03-09 05:57:53,806 INFO L226 Difference]: Without dead ends: 630 [2025-03-09 05:57:53,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:53,807 INFO L435 NwaCegarLoop]: 627 mSDtfsCounter, 119 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:53,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1192 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 05:57:53,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2025-03-09 05:57:53,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 577. [2025-03-09 05:57:53,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 516 states have (on average 1.4786821705426356) internal successors, (763), 556 states have internal predecessors, (763), 19 states have call successors, (19), 7 states have call predecessors, (19), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-09 05:57:53,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 796 transitions. [2025-03-09 05:57:53,825 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 796 transitions. Word has length 62 [2025-03-09 05:57:53,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:53,825 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 796 transitions. [2025-03-09 05:57:53,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 05:57:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 796 transitions. [2025-03-09 05:57:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-09 05:57:53,826 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:53,826 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:57:53,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-09 05:57:53,826 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:53,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:53,827 INFO L85 PathProgramCache]: Analyzing trace with hash 183071868, now seen corresponding path program 1 times [2025-03-09 05:57:53,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:53,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444037774] [2025-03-09 05:57:53,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:57:53,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:54,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-09 05:57:54,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-09 05:57:54,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:57:54,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:54,203 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-03-09 05:57:54,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:54,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444037774] [2025-03-09 05:57:54,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444037774] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:54,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:57:54,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:57:54,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899919016] [2025-03-09 05:57:54,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:54,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:57:54,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:54,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:57:54,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:54,205 INFO L87 Difference]: Start difference. First operand 577 states and 796 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 05:57:54,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:54,307 INFO L93 Difference]: Finished difference Result 579 states and 796 transitions. [2025-03-09 05:57:54,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:57:54,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 64 [2025-03-09 05:57:54,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:54,310 INFO L225 Difference]: With dead ends: 579 [2025-03-09 05:57:54,310 INFO L226 Difference]: Without dead ends: 577 [2025-03-09 05:57:54,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:54,311 INFO L435 NwaCegarLoop]: 635 mSDtfsCounter, 1 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:54,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1265 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:57:54,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-03-09 05:57:54,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2025-03-09 05:57:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 516 states have (on average 1.4748062015503876) internal successors, (761), 556 states have internal predecessors, (761), 19 states have call successors, (19), 7 states have call predecessors, (19), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-09 05:57:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 794 transitions. [2025-03-09 05:57:54,326 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 794 transitions. Word has length 64 [2025-03-09 05:57:54,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:54,327 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 794 transitions. [2025-03-09 05:57:54,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 05:57:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 794 transitions. [2025-03-09 05:57:54,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-09 05:57:54,327 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:54,327 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:54,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-09 05:57:54,327 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:54,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1307383158, now seen corresponding path program 2 times [2025-03-09 05:57:54,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:54,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10925865] [2025-03-09 05:57:54,329 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 05:57:54,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:54,560 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-03-09 05:57:54,579 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 65 statements. [2025-03-09 05:57:54,579 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 05:57:54,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-03-09 05:57:54,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:54,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10925865] [2025-03-09 05:57:54,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10925865] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:57:54,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:57:54,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 05:57:54,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592400926] [2025-03-09 05:57:54,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:57:54,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:57:54,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:57:54,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:57:54,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:57:54,761 INFO L87 Difference]: Start difference. First operand 577 states and 794 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:54,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:57:54,856 INFO L93 Difference]: Finished difference Result 1067 states and 1483 transitions. [2025-03-09 05:57:54,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:57:54,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2025-03-09 05:57:54,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:57:54,858 INFO L225 Difference]: With dead ends: 1067 [2025-03-09 05:57:54,859 INFO L226 Difference]: Without dead ends: 581 [2025-03-09 05:57:54,859 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 05:57:54,860 INFO L435 NwaCegarLoop]: 635 mSDtfsCounter, 27 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:57:54,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1231 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:57:54,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2025-03-09 05:57:54,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2025-03-09 05:57:54,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 519 states have (on average 1.4701348747591523) internal successors, (763), 559 states have internal predecessors, (763), 19 states have call successors, (19), 8 states have call predecessors, (19), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-09 05:57:54,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 796 transitions. [2025-03-09 05:57:54,878 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 796 transitions. Word has length 65 [2025-03-09 05:57:54,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:57:54,878 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 796 transitions. [2025-03-09 05:57:54,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:57:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 796 transitions. [2025-03-09 05:57:54,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-09 05:57:54,881 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:57:54,881 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:57:54,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-09 05:57:54,881 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 71 more)] === [2025-03-09 05:57:54,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:57:54,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1393937648, now seen corresponding path program 2 times [2025-03-09 05:57:54,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:57:54,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409157883] [2025-03-09 05:57:54,883 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 05:57:54,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:57:55,138 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 2 equivalence classes. [2025-03-09 05:57:55,259 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 73 of 73 statements. [2025-03-09 05:57:55,260 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 05:57:55,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:57:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2025-03-09 05:57:55,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:57:55,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409157883] [2025-03-09 05:57:55,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409157883] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:57:55,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522522048] [2025-03-09 05:57:55,441 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 05:57:55,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:57:55,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:57:55,443 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 05:57:55,445 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 05:57:56,317 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 2 equivalence classes.