./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/du-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/du-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 2683078e371eec45b7d8e6b27d52453497eec01e33c8b2caf576905064dc4b71 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 05:51:15,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 05:51:15,608 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-09 05:51:15,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 05:51:15,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 05:51:15,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 05:51:15,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 05:51:15,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 05:51:15,640 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 05:51:15,641 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 05:51:15,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 05:51:15,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 05:51:15,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 05:51:15,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 05:51:15,642 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 05:51:15,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 05:51:15,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 05:51:15,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 05:51:15,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 05:51:15,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 05:51:15,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 05:51:15,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 05:51:15,643 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 05:51:15,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 05:51:15,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 05:51:15,643 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 05:51:15,643 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 05:51:15,643 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 05:51:15,644 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 05:51:15,644 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 05:51:15,644 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 05:51:15,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 05:51:15,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 05:51:15,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 05:51:15,645 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 05:51:15,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 05:51:15,645 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 05:51:15,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 05:51:15,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 05:51:15,645 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 05:51:15,645 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 05:51:15,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 05:51:15,645 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 -> 2683078e371eec45b7d8e6b27d52453497eec01e33c8b2caf576905064dc4b71 [2025-03-09 05:51:15,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 05:51:15,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 05:51:15,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 05:51:15,919 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 05:51:15,920 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 05:51:15,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/du-1.i [2025-03-09 05:51:17,100 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0551203f3/0deecae6e952439cb0546f8719329b8b/FLAG6972d12fb [2025-03-09 05:51:17,541 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 05:51:17,543 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/du-1.i [2025-03-09 05:51:17,568 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0551203f3/0deecae6e952439cb0546f8719329b8b/FLAG6972d12fb [2025-03-09 05:51:17,651 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0551203f3/0deecae6e952439cb0546f8719329b8b [2025-03-09 05:51:17,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 05:51:17,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 05:51:17,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 05:51:17,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 05:51:17,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 05:51:17,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 05:51:17" (1/1) ... [2025-03-09 05:51:17,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72645251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:17, skipping insertion in model container [2025-03-09 05:51:17,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 05:51:17" (1/1) ... [2025-03-09 05:51:17,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 05:51:18,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 05:51:18,740 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 05:51:18,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 05:51:19,142 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-03-09 05:51:19,150 INFO L204 MainTranslator]: Completed translation [2025-03-09 05:51:19,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19 WrapperNode [2025-03-09 05:51:19,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 05:51:19,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 05:51:19,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 05:51:19,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 05:51:19,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (1/1) ... [2025-03-09 05:51:19,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (1/1) ... [2025-03-09 05:51:19,538 INFO L138 Inliner]: procedures = 670, calls = 9382, calls flagged for inlining = 35, calls inlined = 33, statements flattened = 11035 [2025-03-09 05:51:19,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 05:51:19,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 05:51:19,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 05:51:19,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 05:51:19,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (1/1) ... [2025-03-09 05:51:19,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (1/1) ... [2025-03-09 05:51:19,606 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (1/1) ... [2025-03-09 05:51:19,626 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-09 05:51:19,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (1/1) ... [2025-03-09 05:51:19,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (1/1) ... [2025-03-09 05:51:19,873 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (1/1) ... [2025-03-09 05:51:19,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (1/1) ... [2025-03-09 05:51:19,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (1/1) ... [2025-03-09 05:51:19,931 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (1/1) ... [2025-03-09 05:51:19,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 05:51:19,971 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 05:51:19,971 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 05:51:19,971 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 05:51:19,972 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (1/1) ... [2025-03-09 05:51:19,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 05:51:19,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:51:20,004 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 05:51:20,018 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 05:51:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2025-03-09 05:51:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2025-03-09 05:51:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure du [2025-03-09 05:51:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure du [2025-03-09 05:51:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 05:51:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2025-03-09 05:51:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2025-03-09 05:51:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure print [2025-03-09 05:51:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure print [2025-03-09 05:51:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-03-09 05:51:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-03-09 05:51:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-03-09 05:51:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-09 05:51:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-09 05:51:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-09 05:51:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 05:51:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-09 05:51:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 05:51:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 05:51:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-03-09 05:51:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-03-09 05:51:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-03-09 05:51:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-03-09 05:51:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-03-09 05:51:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-09 05:51:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2025-03-09 05:51:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2025-03-09 05:51:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2025-03-09 05:51:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure stat [2025-03-09 05:51:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-03-09 05:51:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-03-09 05:51:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-09 05:51:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-09 05:51:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 05:51:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-09 05:51:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-09 05:51:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-09 05:51:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg [2025-03-09 05:51:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg [2025-03-09 05:51:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-03-09 05:51:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-03-09 05:51:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-09 05:51:20,433 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 05:51:20,434 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 05:51:20,865 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3682: havoc lstat_#t~ret345#1; [2025-03-09 05:51:20,865 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2774: call ULTIMATE.dealloc(~#statbuf~0#1.base, ~#statbuf~0#1.offset);havoc ~#statbuf~0#1.base, ~#statbuf~0#1.offset; [2025-03-09 05:51:20,865 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3494: havoc xasprintf_#t~mem282#1.base, xasprintf_#t~mem282#1.offset;call ULTIMATE.dealloc(xasprintf_~#string_ptr~0#1.base, xasprintf_~#string_ptr~0#1.offset);havoc xasprintf_~#string_ptr~0#1.base, xasprintf_~#string_ptr~0#1.offset; [2025-03-09 05:51:21,114 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3678: havoc #t~ret344#1; [2025-03-09 05:51:40,235 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2912: havoc __main_#t~mem136#1; [2025-03-09 05:51:40,235 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2956: 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 05:51:40,235 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3728: havoc getopt_long_#t~ret373#1; [2025-03-09 05:51:40,447 INFO L? ?]: Removed 728 outVars from TransFormulas that were not future-live. [2025-03-09 05:51:40,447 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 05:51:40,493 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 05:51:40,493 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 05:51:40,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 05:51:40 BoogieIcfgContainer [2025-03-09 05:51:40,496 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 05:51:40,497 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 05:51:40,497 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 05:51:40,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 05:51:40,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 05:51:17" (1/3) ... [2025-03-09 05:51:40,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e9824b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 05:51:40, skipping insertion in model container [2025-03-09 05:51:40,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:51:19" (2/3) ... [2025-03-09 05:51:40,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e9824b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 05:51:40, skipping insertion in model container [2025-03-09 05:51:40,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 05:51:40" (3/3) ... [2025-03-09 05:51:40,502 INFO L128 eAbstractionObserver]: Analyzing ICFG du-1.i [2025-03-09 05:51:40,517 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 05:51:40,520 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG du-1.i that has 14 procedures, 677 locations, 1 initial locations, 39 loop locations, and 69 error locations. [2025-03-09 05:51:40,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 05:51:40,590 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;@2ac9b151, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 05:51:40,591 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2025-03-09 05:51:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 677 states, 553 states have (on average 1.6383363471971066) internal successors, (906), 628 states have internal predecessors, (906), 41 states have call successors, (41), 13 states have call predecessors, (41), 13 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-03-09 05:51:40,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-09 05:51:40,601 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:51:40,601 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-09 05:51:40,602 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:51:40,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:51:40,606 INFO L85 PathProgramCache]: Analyzing trace with hash 35677631, now seen corresponding path program 1 times [2025-03-09 05:51:40,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:51:40,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137899316] [2025-03-09 05:51:40,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:51:40,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:51:42,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 05:51:43,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 05:51:43,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:51:43,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:51:44,698 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 05:51:44,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:51:44,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137899316] [2025-03-09 05:51:44,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137899316] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:51:44,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:51:44,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:51:44,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820100221] [2025-03-09 05:51:44,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:51:44,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:51:44,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:51:44,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:51:44,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:51:44,723 INFO L87 Difference]: Start difference. First operand has 677 states, 553 states have (on average 1.6383363471971066) internal successors, (906), 628 states have internal predecessors, (906), 41 states have call successors, (41), 13 states have call predecessors, (41), 13 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) 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 05:51:44,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:51:44,917 INFO L93 Difference]: Finished difference Result 1251 states and 1877 transitions. [2025-03-09 05:51:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:51:44,919 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 05:51:44,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:51:44,928 INFO L225 Difference]: With dead ends: 1251 [2025-03-09 05:51:44,928 INFO L226 Difference]: Without dead ends: 578 [2025-03-09 05:51:44,935 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 05:51:44,939 INFO L435 NwaCegarLoop]: 789 mSDtfsCounter, 1 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1574 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:51:44,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1574 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:51:44,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2025-03-09 05:51:45,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2025-03-09 05:51:45,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 483 states have (on average 1.5734989648033126) internal successors, (760), 538 states have internal predecessors, (760), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:51:45,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 825 transitions. [2025-03-09 05:51:45,017 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 825 transitions. Word has length 4 [2025-03-09 05:51:45,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:51:45,017 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 825 transitions. [2025-03-09 05:51:45,017 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 05:51:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 825 transitions. [2025-03-09 05:51:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 05:51:45,018 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:51:45,018 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-03-09 05:51:45,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 05:51:45,018 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:51:45,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:51:45,019 INFO L85 PathProgramCache]: Analyzing trace with hash 2016468484, now seen corresponding path program 1 times [2025-03-09 05:51:45,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:51:45,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683161093] [2025-03-09 05:51:45,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:51:45,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:51:47,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 05:51:47,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 05:51:47,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:51:47,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:51:48,251 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 05:51:48,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:51:48,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683161093] [2025-03-09 05:51:48,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683161093] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:51:48,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819035859] [2025-03-09 05:51:48,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:51:48,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:51:48,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:51:48,254 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 05:51:48,256 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 05:51:50,359 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 05:51:52,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 05:51:52,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:51:52,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:51:52,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 18366 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 05:51:52,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 05:51:52,220 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 05:51:52,220 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 05:51:52,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819035859] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:51:52,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 05:51:52,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-09 05:51:52,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650720649] [2025-03-09 05:51:52,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:51:52,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 05:51:52,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:51:52,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 05:51:52,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 05:51:52,222 INFO L87 Difference]: Start difference. First operand 578 states and 825 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 05:51:52,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:51:52,329 INFO L93 Difference]: Finished difference Result 578 states and 825 transitions. [2025-03-09 05:51:52,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 05:51:52,330 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 05:51:52,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:51:52,332 INFO L225 Difference]: With dead ends: 578 [2025-03-09 05:51:52,332 INFO L226 Difference]: Without dead ends: 577 [2025-03-09 05:51:52,332 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 05:51:52,333 INFO L435 NwaCegarLoop]: 785 mSDtfsCounter, 1 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:51:52,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1569 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:51:52,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-03-09 05:51:52,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2025-03-09 05:51:52,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 483 states have (on average 1.5714285714285714) internal successors, (759), 537 states have internal predecessors, (759), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:51:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 824 transitions. [2025-03-09 05:51:52,358 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 824 transitions. Word has length 7 [2025-03-09 05:51:52,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:51:52,358 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 824 transitions. [2025-03-09 05:51:52,358 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 05:51:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 824 transitions. [2025-03-09 05:51:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 05:51:52,363 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:51:52,363 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-03-09 05:51:52,408 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 05:51:52,563 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 05:51:52,563 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:51:52,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:51:52,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1913985343, now seen corresponding path program 1 times [2025-03-09 05:51:52,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:51:52,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949425315] [2025-03-09 05:51:52,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:51:52,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:51:54,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 05:51:54,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 05:51:54,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:51:54,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:51:55,169 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 05:51:55,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:51:55,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949425315] [2025-03-09 05:51:55,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949425315] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:51:55,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:51:55,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:51:55,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112890885] [2025-03-09 05:51:55,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:51:55,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:51:55,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:51:55,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:51:55,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:51:55,171 INFO L87 Difference]: Start difference. First operand 577 states and 824 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 05:51:55,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:51:55,273 INFO L93 Difference]: Finished difference Result 577 states and 824 transitions. [2025-03-09 05:51:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:51:55,273 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 05:51:55,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:51:55,276 INFO L225 Difference]: With dead ends: 577 [2025-03-09 05:51:55,276 INFO L226 Difference]: Without dead ends: 576 [2025-03-09 05:51:55,276 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 05:51:55,277 INFO L435 NwaCegarLoop]: 786 mSDtfsCounter, 0 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:51:55,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1570 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:51:55,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2025-03-09 05:51:55,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 574. [2025-03-09 05:51:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 481 states have (on average 1.5717255717255718) internal successors, (756), 534 states have internal predecessors, (756), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:51:55,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 821 transitions. [2025-03-09 05:51:55,298 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 821 transitions. Word has length 8 [2025-03-09 05:51:55,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:51:55,299 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 821 transitions. [2025-03-09 05:51:55,299 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 05:51:55,299 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 821 transitions. [2025-03-09 05:51:55,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-09 05:51:55,299 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:51:55,299 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:51:55,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 05:51:55,300 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:51:55,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:51:55,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1728624736, now seen corresponding path program 1 times [2025-03-09 05:51:55,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:51:55,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236117872] [2025-03-09 05:51:55,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:51:55,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:51:57,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 05:51:57,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 05:51:57,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:51:57,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:51:58,175 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 05:51:58,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:51:58,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236117872] [2025-03-09 05:51:58,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236117872] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:51:58,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9001960] [2025-03-09 05:51:58,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:51:58,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:51:58,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:51:58,178 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 05:51:58,180 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 05:52:00,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 05:52:01,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 05:52:01,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:01,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:02,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 18383 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 05:52:02,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 05:52:02,027 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 05:52:02,028 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 05:52:02,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9001960] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:52:02,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 05:52:02,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-09 05:52:02,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752388535] [2025-03-09 05:52:02,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:52:02,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:52:02,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:52:02,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:52:02,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 05:52:02,029 INFO L87 Difference]: Start difference. First operand 574 states and 821 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 05:52:02,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:52:02,128 INFO L93 Difference]: Finished difference Result 574 states and 821 transitions. [2025-03-09 05:52:02,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:52:02,129 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 05:52:02,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:52:02,132 INFO L225 Difference]: With dead ends: 574 [2025-03-09 05:52:02,132 INFO L226 Difference]: Without dead ends: 572 [2025-03-09 05:52:02,132 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 05:52:02,132 INFO L435 NwaCegarLoop]: 779 mSDtfsCounter, 517 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:52:02,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 1063 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:52:02,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2025-03-09 05:52:02,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2025-03-09 05:52:02,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 481 states have (on average 1.5675675675675675) internal successors, (754), 532 states have internal predecessors, (754), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:52:02,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 819 transitions. [2025-03-09 05:52:02,151 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 819 transitions. Word has length 12 [2025-03-09 05:52:02,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:52:02,156 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 819 transitions. [2025-03-09 05:52:02,156 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 05:52:02,156 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 819 transitions. [2025-03-09 05:52:02,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-09 05:52:02,156 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:52:02,156 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:52:02,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 05:52:02,357 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 05:52:02,357 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:52:02,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:52:02,357 INFO L85 PathProgramCache]: Analyzing trace with hash -2047758177, now seen corresponding path program 1 times [2025-03-09 05:52:02,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:52:02,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187151858] [2025-03-09 05:52:02,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:02,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:52:04,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 05:52:04,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 05:52:04,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:04,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:05,096 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 05:52:05,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:52:05,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187151858] [2025-03-09 05:52:05,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187151858] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:52:05,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669510185] [2025-03-09 05:52:05,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:05,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:52:05,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:52:05,099 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 05:52:05,100 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 05:52:07,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 05:52:08,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 05:52:08,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:08,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:08,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 18384 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 05:52:08,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 05:52:08,880 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 05:52:08,880 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 05:52:08,911 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 05:52:08,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669510185] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 05:52:08,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 05:52:08,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-09 05:52:08,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043554217] [2025-03-09 05:52:08,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 05:52:08,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 05:52:08,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:52:08,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 05:52:08,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-09 05:52:08,912 INFO L87 Difference]: Start difference. First operand 572 states and 819 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 05:52:09,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:52:09,079 INFO L93 Difference]: Finished difference Result 1147 states and 1643 transitions. [2025-03-09 05:52:09,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 05:52:09,081 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 05:52:09,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:52:09,083 INFO L225 Difference]: With dead ends: 1147 [2025-03-09 05:52:09,083 INFO L226 Difference]: Without dead ends: 581 [2025-03-09 05:52:09,084 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 05:52:09,086 INFO L435 NwaCegarLoop]: 784 mSDtfsCounter, 4 mSDsluCounter, 2346 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:52:09,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3130 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:52:09,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2025-03-09 05:52:09,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2025-03-09 05:52:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 490 states have (on average 1.5571428571428572) internal successors, (763), 541 states have internal predecessors, (763), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:52:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 828 transitions. [2025-03-09 05:52:09,105 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 828 transitions. Word has length 13 [2025-03-09 05:52:09,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:52:09,105 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 828 transitions. [2025-03-09 05:52:09,105 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 05:52:09,105 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 828 transitions. [2025-03-09 05:52:09,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-09 05:52:09,106 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:52:09,106 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:52:09,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-09 05:52:09,306 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 05:52:09,307 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:52:09,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:52:09,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1922939942, now seen corresponding path program 2 times [2025-03-09 05:52:09,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:52:09,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24481602] [2025-03-09 05:52:09,307 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 05:52:09,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:52:11,230 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-03-09 05:52:11,462 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 22 statements. [2025-03-09 05:52:11,462 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 05:52:11,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:12,737 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 05:52:12,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:52:12,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24481602] [2025-03-09 05:52:12,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24481602] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:52:12,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:52:12,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 05:52:12,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206887002] [2025-03-09 05:52:12,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:52:12,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 05:52:12,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:52:12,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 05:52:12,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 05:52:12,739 INFO L87 Difference]: Start difference. First operand 581 states and 828 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 05:52:12,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:52:12,911 INFO L93 Difference]: Finished difference Result 581 states and 828 transitions. [2025-03-09 05:52:12,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 05:52:12,912 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 05:52:12,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:52:12,914 INFO L225 Difference]: With dead ends: 581 [2025-03-09 05:52:12,914 INFO L226 Difference]: Without dead ends: 579 [2025-03-09 05:52:12,914 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 05:52:12,915 INFO L435 NwaCegarLoop]: 771 mSDtfsCounter, 516 mSDsluCounter, 1803 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 05:52:12,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 2574 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 05:52:12,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2025-03-09 05:52:12,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2025-03-09 05:52:12,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 490 states have (on average 1.5530612244897959) internal successors, (761), 539 states have internal predecessors, (761), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:52:12,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 826 transitions. [2025-03-09 05:52:12,927 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 826 transitions. Word has length 22 [2025-03-09 05:52:12,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:52:12,928 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 826 transitions. [2025-03-09 05:52:12,928 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 05:52:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 826 transitions. [2025-03-09 05:52:12,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-09 05:52:12,928 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:52:12,928 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 05:52:12,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 05:52:12,928 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:52:12,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:52:12,930 INFO L85 PathProgramCache]: Analyzing trace with hash -2042207168, now seen corresponding path program 1 times [2025-03-09 05:52:12,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:52:12,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94884530] [2025-03-09 05:52:12,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:12,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:52:14,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-09 05:52:15,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-09 05:52:15,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:15,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:15,883 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 05:52:15,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:52:15,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94884530] [2025-03-09 05:52:15,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94884530] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:52:15,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:52:15,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 05:52:15,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700792661] [2025-03-09 05:52:15,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:52:15,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:52:15,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:52:15,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:52:15,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:52:15,884 INFO L87 Difference]: Start difference. First operand 579 states and 826 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) 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 05:52:15,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:52:15,985 INFO L93 Difference]: Finished difference Result 1141 states and 1636 transitions. [2025-03-09 05:52:15,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:52:15,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) 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 05:52:15,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:52:15,988 INFO L225 Difference]: With dead ends: 1141 [2025-03-09 05:52:15,988 INFO L226 Difference]: Without dead ends: 582 [2025-03-09 05:52:15,989 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 05:52:15,990 INFO L435 NwaCegarLoop]: 782 mSDtfsCounter, 2 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:52:15,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1559 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:52:15,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2025-03-09 05:52:15,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2025-03-09 05:52:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 493 states have (on average 1.5496957403651115) internal successors, (764), 542 states have internal predecessors, (764), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:52:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 829 transitions. [2025-03-09 05:52:16,002 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 829 transitions. Word has length 27 [2025-03-09 05:52:16,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:52:16,002 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 829 transitions. [2025-03-09 05:52:16,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) 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 05:52:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 829 transitions. [2025-03-09 05:52:16,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-09 05:52:16,003 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:52:16,003 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:52:16,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 05:52:16,004 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:52:16,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:52:16,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1176158061, now seen corresponding path program 1 times [2025-03-09 05:52:16,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:52:16,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190399038] [2025-03-09 05:52:16,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:16,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:52:17,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 05:52:18,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 05:52:18,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:18,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:18,749 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-09 05:52:18,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:52:18,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190399038] [2025-03-09 05:52:18,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190399038] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:52:18,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:52:18,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:52:18,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786133720] [2025-03-09 05:52:18,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:52:18,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:52:18,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:52:18,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:52:18,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:52:18,750 INFO L87 Difference]: Start difference. First operand 582 states and 829 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 05:52:18,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:52:18,852 INFO L93 Difference]: Finished difference Result 595 states and 844 transitions. [2025-03-09 05:52:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:52:18,852 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 30 [2025-03-09 05:52:18,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:52:18,855 INFO L225 Difference]: With dead ends: 595 [2025-03-09 05:52:18,855 INFO L226 Difference]: Without dead ends: 593 [2025-03-09 05:52:18,855 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 05:52:18,855 INFO L435 NwaCegarLoop]: 780 mSDtfsCounter, 3 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1556 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:52:18,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1556 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:52:18,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2025-03-09 05:52:18,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 591. [2025-03-09 05:52:18,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 502 states have (on average 1.547808764940239) internal successors, (777), 551 states have internal predecessors, (777), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:52:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 842 transitions. [2025-03-09 05:52:18,868 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 842 transitions. Word has length 30 [2025-03-09 05:52:18,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:52:18,868 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 842 transitions. [2025-03-09 05:52:18,869 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 05:52:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 842 transitions. [2025-03-09 05:52:18,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-09 05:52:18,869 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:52:18,869 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 05:52:18,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 05:52:18,870 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:52:18,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:52:18,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1176157901, now seen corresponding path program 1 times [2025-03-09 05:52:18,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:52:18,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228658190] [2025-03-09 05:52:18,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:18,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:52:20,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 05:52:21,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 05:52:21,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:21,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:21,827 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 05:52:21,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:52:21,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228658190] [2025-03-09 05:52:21,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228658190] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:52:21,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810320466] [2025-03-09 05:52:21,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:21,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:52:21,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:52:21,830 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 05:52:21,830 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 05:52:23,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-09 05:52:25,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-09 05:52:25,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:25,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:25,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 18569 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-09 05:52:25,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 05:52:25,731 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 05:52:25,732 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 05:52:25,811 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 05:52:25,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810320466] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 05:52:25,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 05:52:25,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2025-03-09 05:52:25,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640655457] [2025-03-09 05:52:25,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 05:52:25,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 05:52:25,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:52:25,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 05:52:25,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-03-09 05:52:25,813 INFO L87 Difference]: Start difference. First operand 591 states and 842 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 05:52:26,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:52:26,034 INFO L93 Difference]: Finished difference Result 1184 states and 1692 transitions. [2025-03-09 05:52:26,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 05:52:26,035 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 05:52:26,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:52:26,038 INFO L225 Difference]: With dead ends: 1184 [2025-03-09 05:52:26,038 INFO L226 Difference]: Without dead ends: 608 [2025-03-09 05:52:26,039 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 05:52:26,039 INFO L435 NwaCegarLoop]: 776 mSDtfsCounter, 5 mSDsluCounter, 3870 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4646 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 05:52:26,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4646 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 05:52:26,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2025-03-09 05:52:26,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608. [2025-03-09 05:52:26,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 520 states have (on average 1.525) internal successors, (793), 568 states have internal predecessors, (793), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:52:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 858 transitions. [2025-03-09 05:52:26,055 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 858 transitions. Word has length 30 [2025-03-09 05:52:26,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:52:26,055 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 858 transitions. [2025-03-09 05:52:26,055 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 05:52:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 858 transitions. [2025-03-09 05:52:26,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-09 05:52:26,057 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:52:26,057 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 05:52:26,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 05:52:26,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:52:26,258 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:52:26,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:52:26,258 INFO L85 PathProgramCache]: Analyzing trace with hash 613516226, now seen corresponding path program 1 times [2025-03-09 05:52:26,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:52:26,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700147262] [2025-03-09 05:52:26,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:26,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:52:28,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-09 05:52:28,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-09 05:52:28,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:28,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:28,901 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 05:52:28,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:52:28,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700147262] [2025-03-09 05:52:28,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700147262] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:52:28,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:52:28,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:52:28,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194847921] [2025-03-09 05:52:28,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:52:28,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:52:28,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:52:28,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:52:28,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:52:28,902 INFO L87 Difference]: Start difference. First operand 608 states and 858 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 05:52:29,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:52:29,027 INFO L93 Difference]: Finished difference Result 608 states and 858 transitions. [2025-03-09 05:52:29,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:52:29,028 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 05:52:29,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:52:29,030 INFO L225 Difference]: With dead ends: 608 [2025-03-09 05:52:29,030 INFO L226 Difference]: Without dead ends: 607 [2025-03-09 05:52:29,030 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 05:52:29,031 INFO L435 NwaCegarLoop]: 780 mSDtfsCounter, 0 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:52:29,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1557 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:52:29,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-03-09 05:52:29,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 603. [2025-03-09 05:52:29,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 516 states have (on average 1.5251937984496124) internal successors, (787), 563 states have internal predecessors, (787), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:52:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 852 transitions. [2025-03-09 05:52:29,047 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 852 transitions. Word has length 49 [2025-03-09 05:52:29,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:52:29,047 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 852 transitions. [2025-03-09 05:52:29,047 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 05:52:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 852 transitions. [2025-03-09 05:52:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-09 05:52:29,049 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:52:29,050 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] [2025-03-09 05:52:29,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-09 05:52:29,050 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:52:29,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:52:29,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1757376176, now seen corresponding path program 1 times [2025-03-09 05:52:29,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:52:29,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888079934] [2025-03-09 05:52:29,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:29,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:52:31,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-09 05:52:31,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-09 05:52:31,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:31,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:32,524 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 05:52:32,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:52:32,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888079934] [2025-03-09 05:52:32,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888079934] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:52:32,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:52:32,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 05:52:32,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784116705] [2025-03-09 05:52:32,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:52:32,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 05:52:32,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:52:32,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 05:52:32,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 05:52:32,525 INFO L87 Difference]: Start difference. First operand 603 states and 852 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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 05:52:32,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:52:32,625 INFO L93 Difference]: Finished difference Result 1151 states and 1642 transitions. [2025-03-09 05:52:32,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 05:52:32,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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 50 [2025-03-09 05:52:32,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:52:32,628 INFO L225 Difference]: With dead ends: 1151 [2025-03-09 05:52:32,628 INFO L226 Difference]: Without dead ends: 605 [2025-03-09 05:52:32,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 05:52:32,630 INFO L435 NwaCegarLoop]: 781 mSDtfsCounter, 0 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2338 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:52:32,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2338 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:52:32,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2025-03-09 05:52:32,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2025-03-09 05:52:32,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 518 states have (on average 1.5231660231660231) internal successors, (789), 565 states have internal predecessors, (789), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:52:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 854 transitions. [2025-03-09 05:52:32,641 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 854 transitions. Word has length 50 [2025-03-09 05:52:32,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:52:32,642 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 854 transitions. [2025-03-09 05:52:32,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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 05:52:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 854 transitions. [2025-03-09 05:52:32,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-09 05:52:32,642 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:52:32,642 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] [2025-03-09 05:52:32,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 05:52:32,643 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:52:32,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:52:32,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1758299697, now seen corresponding path program 1 times [2025-03-09 05:52:32,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:52:32,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333680356] [2025-03-09 05:52:32,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:32,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:52:34,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-09 05:52:34,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-09 05:52:34,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:34,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:35,560 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 05:52:35,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:52:35,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333680356] [2025-03-09 05:52:35,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333680356] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:52:35,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:52:35,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:52:35,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548357018] [2025-03-09 05:52:35,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:52:35,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:52:35,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:52:35,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:52:35,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:52:35,562 INFO L87 Difference]: Start difference. First operand 605 states and 854 transitions. Second operand has 3 states, 2 states have (on average 10.5) 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 05:52:35,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:52:35,682 INFO L93 Difference]: Finished difference Result 900 states and 1288 transitions. [2025-03-09 05:52:35,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:52:35,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) 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 50 [2025-03-09 05:52:35,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:52:35,686 INFO L225 Difference]: With dead ends: 900 [2025-03-09 05:52:35,686 INFO L226 Difference]: Without dead ends: 898 [2025-03-09 05:52:35,687 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 05:52:35,687 INFO L435 NwaCegarLoop]: 778 mSDtfsCounter, 410 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:52:35,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1545 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:52:35,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2025-03-09 05:52:35,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 609. [2025-03-09 05:52:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 522 states have (on average 1.5210727969348659) internal successors, (794), 569 states have internal predecessors, (794), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:52:35,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 859 transitions. [2025-03-09 05:52:35,701 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 859 transitions. Word has length 50 [2025-03-09 05:52:35,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:52:35,701 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 859 transitions. [2025-03-09 05:52:35,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) 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 05:52:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 859 transitions. [2025-03-09 05:52:35,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-09 05:52:35,702 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:52:35,702 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, 1, 1] [2025-03-09 05:52:35,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 05:52:35,702 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:52:35,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:52:35,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1623352075, now seen corresponding path program 1 times [2025-03-09 05:52:35,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:52:35,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897651988] [2025-03-09 05:52:35,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:35,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:52:37,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-09 05:52:37,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-09 05:52:37,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:37,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:38,686 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 05:52:38,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:52:38,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897651988] [2025-03-09 05:52:38,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897651988] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:52:38,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358328737] [2025-03-09 05:52:38,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:38,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:52:38,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:52:38,690 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 05:52:38,691 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 05:52:40,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-09 05:52:42,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-09 05:52:42,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:42,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:42,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 18732 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 05:52:42,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 05:52:42,686 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 05:52:42,686 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 05:52:42,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358328737] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:52:42,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 05:52:42,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-09 05:52:42,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758711217] [2025-03-09 05:52:42,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:52:42,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 05:52:42,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:52:42,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 05:52:42,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 05:52:42,687 INFO L87 Difference]: Start difference. First operand 609 states and 859 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 05:52:42,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:52:42,835 INFO L93 Difference]: Finished difference Result 902 states and 1291 transitions. [2025-03-09 05:52:42,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 05:52:42,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 54 [2025-03-09 05:52:42,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:52:42,838 INFO L225 Difference]: With dead ends: 902 [2025-03-09 05:52:42,838 INFO L226 Difference]: Without dead ends: 901 [2025-03-09 05:52:42,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 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 05:52:42,839 INFO L435 NwaCegarLoop]: 1177 mSDtfsCounter, 819 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 2333 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 05:52:42,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 2333 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 05:52:42,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2025-03-09 05:52:42,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 608. [2025-03-09 05:52:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 522 states have (on average 1.5191570881226053) internal successors, (793), 568 states have internal predecessors, (793), 36 states have call successors, (36), 13 states have call predecessors, (36), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 05:52:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 858 transitions. [2025-03-09 05:52:42,851 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 858 transitions. Word has length 54 [2025-03-09 05:52:42,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:52:42,852 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 858 transitions. [2025-03-09 05:52:42,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 05:52:42,852 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 858 transitions. [2025-03-09 05:52:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-09 05:52:42,852 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:52:42,852 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 05:52:42,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-09 05:52:43,053 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,SelfDestructingSolverStorable12 [2025-03-09 05:52:43,053 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [duErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, duErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-09 05:52:43,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:52:43,054 INFO L85 PathProgramCache]: Analyzing trace with hash 423138360, now seen corresponding path program 1 times [2025-03-09 05:52:43,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:52:43,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997575574] [2025-03-09 05:52:43,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:43,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:52:45,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-09 05:52:45,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-09 05:52:45,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:52:45,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:52:46,026 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 05:52:46,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:52:46,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997575574] [2025-03-09 05:52:46,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997575574] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 05:52:46,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747841122] [2025-03-09 05:52:46,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:52:46,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 05:52:46,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:52:46,029 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 05:52:46,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process