./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f08d75c904d21d6573220c7737d451cd978e8a22a153e855f8d685d88a1eb60 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:37:47,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:37:47,413 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:37:47,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:37:47,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:37:47,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:37:47,434 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:37:47,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:37:47,434 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:37:47,434 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:37:47,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:37:47,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:37:47,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:37:47,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:37:47,435 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:37:47,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:37:47,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:37:47,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:37:47,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:37:47,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:37:47,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:37:47,436 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:37:47,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:37:47,436 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:37:47,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:37:47,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:37:47,436 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:37:47,436 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:37:47,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:37:47,436 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f08d75c904d21d6573220c7737d451cd978e8a22a153e855f8d685d88a1eb60 [2025-02-06 13:37:47,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:37:47,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:37:47,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:37:47,699 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:37:47,699 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:37:47,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i [2025-02-06 13:37:48,973 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17e993e5e/e26f79b7926647f0bd85bbe4412b6102/FLAG7296d3a28 [2025-02-06 13:37:49,280 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:37:49,281 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i [2025-02-06 13:37:49,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17e993e5e/e26f79b7926647f0bd85bbe4412b6102/FLAG7296d3a28 [2025-02-06 13:37:49,311 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17e993e5e/e26f79b7926647f0bd85bbe4412b6102 [2025-02-06 13:37:49,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:37:49,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:37:49,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:37:49,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:37:49,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:37:49,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:49,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798d4742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49, skipping insertion in model container [2025-02-06 13:37:49,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:49,343 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:37:49,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:37:49,680 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:37:49,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:37:49,782 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:37:49,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49 WrapperNode [2025-02-06 13:37:49,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:37:49,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:37:49,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:37:49,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:37:49,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:49,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:49,848 INFO L138 Inliner]: procedures = 174, calls = 145, calls flagged for inlining = 33, calls inlined = 20, statements flattened = 331 [2025-02-06 13:37:49,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:37:49,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:37:49,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:37:49,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:37:49,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:49,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:49,872 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:49,959 INFO L175 MemorySlicer]: Split 55 memory accesses to 2 slices as follows [45, 10]. 82 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 23 writes are split as follows [23, 0]. [2025-02-06 13:37:49,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:49,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:49,982 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:49,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:49,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:50,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:50,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:37:50,014 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:37:50,014 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:37:50,014 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:37:50,014 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (1/1) ... [2025-02-06 13:37:50,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:37:50,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:50,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 13:37:50,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 13:37:50,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 13:37:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 13:37:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 13:37:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 13:37:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 13:37:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 13:37:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 13:37:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 13:37:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-06 13:37:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-06 13:37:50,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-06 13:37:50,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-06 13:37:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2025-02-06 13:37:50,083 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2025-02-06 13:37:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2025-02-06 13:37:50,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2025-02-06 13:37:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-02-06 13:37:50,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-02-06 13:37:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 13:37:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 13:37:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 13:37:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:37:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2025-02-06 13:37:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2025-02-06 13:37:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 13:37:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 13:37:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 13:37:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 13:37:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 13:37:50,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 13:37:50,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 13:37:50,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 13:37:50,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:37:50,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 13:37:50,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 13:37:50,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 13:37:50,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:37:50,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:37:50,214 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:37:50,216 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:37:50,332 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L527: havoc #t~malloc12.base, #t~malloc12.offset; [2025-02-06 13:37:50,581 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L814: havoc ldv_i2c_transfer_#t~mem49#1.base, ldv_i2c_transfer_#t~mem49#1.offset;havoc ldv_i2c_transfer_#t~ret50#1; [2025-02-06 13:37:50,581 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L774: havoc ldv_i2c_get_clientdata_#t~ret42#1.base, ldv_i2c_get_clientdata_#t~ret42#1.offset; [2025-02-06 13:37:50,581 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L816: call ULTIMATE.dealloc(ldv_m88ts2022_rd_reg_~#reg#1.base, ldv_m88ts2022_rd_reg_~#reg#1.offset);havoc ldv_m88ts2022_rd_reg_~#reg#1.base, ldv_m88ts2022_rd_reg_~#reg#1.offset;call ULTIMATE.dealloc(ldv_m88ts2022_rd_reg_~#buf~0#1.base, ldv_m88ts2022_rd_reg_~#buf~0#1.offset);havoc ldv_m88ts2022_rd_reg_~#buf~0#1.base, ldv_m88ts2022_rd_reg_~#buf~0#1.offset;call ULTIMATE.dealloc(ldv_m88ts2022_rd_reg_~#msg~2#1.base, ldv_m88ts2022_rd_reg_~#msg~2#1.offset);havoc ldv_m88ts2022_rd_reg_~#msg~2#1.base, ldv_m88ts2022_rd_reg_~#msg~2#1.offset; [2025-02-06 13:37:50,581 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L619: havoc ldv_dev_get_drvdata_#t~mem29#1.base, ldv_dev_get_drvdata_#t~mem29#1.offset; [2025-02-06 13:37:50,581 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L842: call ULTIMATE.dealloc(alloc_fix_12_~#chip_id~0#1.base, alloc_fix_12_~#chip_id~0#1.offset);havoc alloc_fix_12_~#chip_id~0#1.base, alloc_fix_12_~#chip_id~0#1.offset; [2025-02-06 13:37:50,656 INFO L? ?]: Removed 226 outVars from TransFormulas that were not future-live. [2025-02-06 13:37:50,660 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:37:50,672 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:37:50,675 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:37:50,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:37:50 BoogieIcfgContainer [2025-02-06 13:37:50,676 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:37:50,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:37:50,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:37:50,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:37:50,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:37:49" (1/3) ... [2025-02-06 13:37:50,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1daec768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:37:50, skipping insertion in model container [2025-02-06 13:37:50,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:37:49" (2/3) ... [2025-02-06 13:37:50,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1daec768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:37:50, skipping insertion in model container [2025-02-06 13:37:50,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:37:50" (3/3) ... [2025-02-06 13:37:50,687 INFO L128 eAbstractionObserver]: Analyzing ICFG memleaks_test12-2.i [2025-02-06 13:37:50,702 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:37:50,703 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG memleaks_test12-2.i that has 7 procedures, 112 locations, 1 initial locations, 6 loop locations, and 2 error locations. [2025-02-06 13:37:50,754 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:37:50,767 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;@29233ae9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:37:50,767 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 13:37:50,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 84 states have (on average 1.3214285714285714) internal successors, (111), 88 states have internal predecessors, (111), 15 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 13:37:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-06 13:37:50,780 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:50,780 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:37:50,781 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 13:37:50,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:50,786 INFO L85 PathProgramCache]: Analyzing trace with hash -703236378, now seen corresponding path program 1 times [2025-02-06 13:37:50,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:50,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218400976] [2025-02-06 13:37:50,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:50,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:50,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 13:37:50,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 13:37:50,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:50,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-02-06 13:37:51,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:51,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218400976] [2025-02-06 13:37:51,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218400976] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:37:51,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569297581] [2025-02-06 13:37:51,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:51,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:51,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:51,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:37:51,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 13:37:51,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 13:37:51,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 13:37:51,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:51,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:51,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:37:51,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:37:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:37:51,625 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:37:51,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569297581] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:51,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:37:51,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2025-02-06 13:37:51,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440205182] [2025-02-06 13:37:51,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:51,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:37:51,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:51,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:37:51,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:37:51,643 INFO L87 Difference]: Start difference. First operand has 107 states, 84 states have (on average 1.3214285714285714) internal successors, (111), 88 states have internal predecessors, (111), 15 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2025-02-06 13:37:51,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:51,691 INFO L93 Difference]: Finished difference Result 212 states and 277 transitions. [2025-02-06 13:37:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:37:51,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 75 [2025-02-06 13:37:51,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:51,697 INFO L225 Difference]: With dead ends: 212 [2025-02-06 13:37:51,697 INFO L226 Difference]: Without dead ends: 76 [2025-02-06 13:37:51,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:37:51,701 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 14 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:51,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 405 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:51,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2025-02-06 13:37:51,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 62. [2025-02-06 13:37:51,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 46 states have internal predecessors, (51), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 13:37:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 75 transitions. [2025-02-06 13:37:51,727 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 75 transitions. Word has length 75 [2025-02-06 13:37:51,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:51,728 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 75 transitions. [2025-02-06 13:37:51,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2025-02-06 13:37:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2025-02-06 13:37:51,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 13:37:51,730 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:51,730 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:37:51,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 13:37:51,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 13:37:51,931 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 13:37:51,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:51,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1950803947, now seen corresponding path program 1 times [2025-02-06 13:37:51,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:51,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072371210] [2025-02-06 13:37:51,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:51,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:51,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 13:37:51,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 13:37:51,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:51,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:52,177 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2025-02-06 13:37:52,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:52,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072371210] [2025-02-06 13:37:52,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072371210] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:37:52,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273798975] [2025-02-06 13:37:52,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:52,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:52,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:52,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:37:52,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 13:37:52,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 13:37:52,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 13:37:52,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:52,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:52,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:37:52,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:37:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2025-02-06 13:37:52,465 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:37:52,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273798975] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:52,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:37:52,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2025-02-06 13:37:52,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733081358] [2025-02-06 13:37:52,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:52,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:37:52,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:52,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:37:52,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:37:52,467 INFO L87 Difference]: Start difference. First operand 62 states and 75 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2025-02-06 13:37:52,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:52,504 INFO L93 Difference]: Finished difference Result 104 states and 123 transitions. [2025-02-06 13:37:52,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:37:52,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 82 [2025-02-06 13:37:52,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:52,506 INFO L225 Difference]: With dead ends: 104 [2025-02-06 13:37:52,506 INFO L226 Difference]: Without dead ends: 62 [2025-02-06 13:37:52,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:37:52,509 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:52,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:52,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-02-06 13:37:52,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-02-06 13:37:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 46 states have internal predecessors, (50), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 13:37:52,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 74 transitions. [2025-02-06 13:37:52,521 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 74 transitions. Word has length 82 [2025-02-06 13:37:52,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:52,521 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 74 transitions. [2025-02-06 13:37:52,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2025-02-06 13:37:52,522 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2025-02-06 13:37:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 13:37:52,523 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:52,523 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:37:52,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 13:37:52,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:52,727 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 13:37:52,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:52,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1480269992, now seen corresponding path program 1 times [2025-02-06 13:37:52,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:52,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780464563] [2025-02-06 13:37:52,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:52,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:52,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:37:52,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:37:52,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:52,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2025-02-06 13:37:52,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:52,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780464563] [2025-02-06 13:37:52,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780464563] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:37:52,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522874981] [2025-02-06 13:37:52,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:52,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:52,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:52,981 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:37:52,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 13:37:53,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:37:53,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:37:53,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:53,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:53,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:37:53,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:37:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2025-02-06 13:37:53,246 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:37:53,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522874981] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:53,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:37:53,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2025-02-06 13:37:53,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577995330] [2025-02-06 13:37:53,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:53,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:37:53,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:53,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:37:53,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:37:53,248 INFO L87 Difference]: Start difference. First operand 62 states and 74 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-06 13:37:53,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:53,266 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2025-02-06 13:37:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:37:53,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 88 [2025-02-06 13:37:53,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:53,267 INFO L225 Difference]: With dead ends: 62 [2025-02-06 13:37:53,267 INFO L226 Difference]: Without dead ends: 61 [2025-02-06 13:37:53,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:37:53,268 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 2 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:53,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 180 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:53,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-02-06 13:37:53,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-02-06 13:37:53,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 45 states have internal predecessors, (49), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 13:37:53,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2025-02-06 13:37:53,272 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 88 [2025-02-06 13:37:53,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:53,273 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2025-02-06 13:37:53,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-06 13:37:53,273 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2025-02-06 13:37:53,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-06 13:37:53,274 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:53,274 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:37:53,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 13:37:53,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:53,475 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 13:37:53,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:53,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1356270569, now seen corresponding path program 1 times [2025-02-06 13:37:53,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:53,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312906754] [2025-02-06 13:37:53,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:53,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:53,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-06 13:37:53,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-06 13:37:53,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:53,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2025-02-06 13:37:53,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:53,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312906754] [2025-02-06 13:37:53,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312906754] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:37:53,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178021127] [2025-02-06 13:37:53,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:53,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:53,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:53,648 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:37:53,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 13:37:53,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-06 13:37:53,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-06 13:37:53,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:53,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:53,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:37:53,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:37:53,909 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2025-02-06 13:37:53,910 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:37:53,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178021127] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:53,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:37:53,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2025-02-06 13:37:53,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811404359] [2025-02-06 13:37:53,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:53,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:37:53,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:53,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:37:53,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:37:53,911 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-06 13:37:53,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:53,935 INFO L93 Difference]: Finished difference Result 85 states and 103 transitions. [2025-02-06 13:37:53,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:37:53,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2025-02-06 13:37:53,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:53,937 INFO L225 Difference]: With dead ends: 85 [2025-02-06 13:37:53,937 INFO L226 Difference]: Without dead ends: 84 [2025-02-06 13:37:53,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:37:53,938 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 1 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:53,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 201 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:37:53,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-02-06 13:37:53,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2025-02-06 13:37:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.096774193548387) internal successors, (68), 64 states have internal predecessors, (68), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:37:53,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 102 transitions. [2025-02-06 13:37:53,945 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 102 transitions. Word has length 89 [2025-02-06 13:37:53,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:53,945 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 102 transitions. [2025-02-06 13:37:53,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-06 13:37:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2025-02-06 13:37:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-02-06 13:37:53,946 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:53,947 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:37:53,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 13:37:54,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:54,147 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 13:37:54,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:54,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1963596470, now seen corresponding path program 1 times [2025-02-06 13:37:54,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:54,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800742495] [2025-02-06 13:37:54,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:54,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:54,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-02-06 13:37:54,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-02-06 13:37:54,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:54,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2025-02-06 13:37:54,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:54,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800742495] [2025-02-06 13:37:54,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800742495] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:37:54,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162039293] [2025-02-06 13:37:54,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:54,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:54,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:54,358 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:37:54,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 13:37:54,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-02-06 13:37:54,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-02-06 13:37:54,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:54,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:54,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:37:54,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:37:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-02-06 13:37:54,704 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:37:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-02-06 13:37:54,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162039293] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:37:54,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:37:54,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-02-06 13:37:54,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187989423] [2025-02-06 13:37:54,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:37:54,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:37:54,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:54,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:37:54,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:37:54,837 INFO L87 Difference]: Start difference. First operand 84 states and 102 transitions. Second operand has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 12 states have internal predecessors, (131), 6 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-06 13:37:54,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:54,934 INFO L93 Difference]: Finished difference Result 236 states and 307 transitions. [2025-02-06 13:37:54,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:37:54,934 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 12 states have internal predecessors, (131), 6 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) Word has length 127 [2025-02-06 13:37:54,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:54,936 INFO L225 Difference]: With dead ends: 236 [2025-02-06 13:37:54,937 INFO L226 Difference]: Without dead ends: 155 [2025-02-06 13:37:54,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:37:54,938 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 7 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:54,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 545 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:37:54,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-02-06 13:37:54,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2025-02-06 13:37:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 117 states have (on average 1.0769230769230769) internal successors, (126), 123 states have internal predecessors, (126), 32 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (47), 32 states have call predecessors, (47), 32 states have call successors, (47) [2025-02-06 13:37:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 205 transitions. [2025-02-06 13:37:54,949 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 205 transitions. Word has length 127 [2025-02-06 13:37:54,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:54,949 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 205 transitions. [2025-02-06 13:37:54,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 12 states have internal predecessors, (131), 6 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-06 13:37:54,950 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 205 transitions. [2025-02-06 13:37:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2025-02-06 13:37:54,955 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:37:54,955 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:37:54,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 13:37:55,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:55,156 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 13:37:55,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:37:55,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1376145948, now seen corresponding path program 1 times [2025-02-06 13:37:55,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:37:55,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585808840] [2025-02-06 13:37:55,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:55,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:37:55,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 241 statements into 1 equivalence classes. [2025-02-06 13:37:55,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 241 of 241 statements. [2025-02-06 13:37:55,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:55,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:55,453 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2025-02-06 13:37:55,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:37:55,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585808840] [2025-02-06 13:37:55,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585808840] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:37:55,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906382318] [2025-02-06 13:37:55,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:37:55,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:37:55,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:37:55,455 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:37:55,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 13:37:55,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 241 statements into 1 equivalence classes. [2025-02-06 13:37:55,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 241 of 241 statements. [2025-02-06 13:37:55,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:37:55,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:37:55,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 1752 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:37:55,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:37:56,002 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 459 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2025-02-06 13:37:56,003 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:37:56,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906382318] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:37:56,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:37:56,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-02-06 13:37:56,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669828973] [2025-02-06 13:37:56,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:37:56,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:37:56,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:37:56,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:37:56,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:37:56,004 INFO L87 Difference]: Start difference. First operand 155 states and 205 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2025-02-06 13:37:56,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:37:56,073 INFO L93 Difference]: Finished difference Result 172 states and 220 transitions. [2025-02-06 13:37:56,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:37:56,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 241 [2025-02-06 13:37:56,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:37:56,074 INFO L225 Difference]: With dead ends: 172 [2025-02-06 13:37:56,074 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 13:37:56,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:37:56,076 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 2 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:37:56,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 383 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:37:56,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 13:37:56,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 13:37:56,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2025-02-06 13:37:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 13:37:56,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2025-02-06 13:37:56,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:37:56,077 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 13:37:56,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2025-02-06 13:37:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 13:37:56,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 13:37:56,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-02-06 13:37:56,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-02-06 13:37:56,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 13:37:56,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-02-06 13:37:56,283 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-02-06 13:37:56,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 13:37:56,371 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 13:37:56,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 01:37:56 BoogieIcfgContainer [2025-02-06 13:37:56,379 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 13:37:56,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 13:37:56,380 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 13:37:56,380 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 13:37:56,381 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:37:50" (3/4) ... [2025-02-06 13:37:56,382 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 13:37:56,386 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2025-02-06 13:37:56,386 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-02-06 13:37:56,386 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2025-02-06 13:37:56,386 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2025-02-06 13:37:56,386 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2025-02-06 13:37:56,387 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2025-02-06 13:37:56,391 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2025-02-06 13:37:56,391 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-02-06 13:37:56,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-06 13:37:56,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 13:37:56,457 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 13:37:56,457 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 13:37:56,457 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 13:37:56,458 INFO L158 Benchmark]: Toolchain (without parser) took 7144.14ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 120.5MB in the beginning and 56.5MB in the end (delta: 64.0MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. [2025-02-06 13:37:56,458 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 218.1MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 13:37:56,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.17ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 96.2MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 13:37:56,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.31ms. Allocated memory is still 167.8MB. Free memory was 96.2MB in the beginning and 93.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 13:37:56,459 INFO L158 Benchmark]: Boogie Preprocessor took 164.10ms. Allocated memory is still 167.8MB. Free memory was 93.0MB in the beginning and 82.7MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 13:37:56,459 INFO L158 Benchmark]: IcfgBuilder took 662.37ms. Allocated memory is still 167.8MB. Free memory was 82.7MB in the beginning and 41.2MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-06 13:37:56,459 INFO L158 Benchmark]: TraceAbstraction took 5702.04ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 40.3MB in the beginning and 65.5MB in the end (delta: -25.2MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2025-02-06 13:37:56,459 INFO L158 Benchmark]: Witness Printer took 77.46ms. Allocated memory is still 209.7MB. Free memory was 65.5MB in the beginning and 56.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 13:37:56,460 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 218.1MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.17ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 96.2MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.31ms. Allocated memory is still 167.8MB. Free memory was 96.2MB in the beginning and 93.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 164.10ms. Allocated memory is still 167.8MB. Free memory was 93.0MB in the beginning and 82.7MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * IcfgBuilder took 662.37ms. Allocated memory is still 167.8MB. Free memory was 82.7MB in the beginning and 41.2MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5702.04ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 40.3MB in the beginning and 65.5MB in the end (delta: -25.2MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 77.46ms. Allocated memory is still 209.7MB. Free memory was 65.5MB in the beginning and 56.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 112 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 6, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 1929 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1424 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 210 IncrementalHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 505 mSDtfsCounter, 210 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=5, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1404 NumberOfCodeBlocks, 1404 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1518 ConstructedInterpolants, 0 QuantifiedInterpolants, 2206 SizeOfPredicates, 2 NumberOfNonLiveVariables, 5390 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 3050/3196 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 797]: Location Invariant Derived location invariant: (((((num <= 2) && (i <= 2147483645)) && (2 <= i)) || ((num <= 2) && (i == 1))) || ((i == 0) && (num <= 2))) RESULT: Ultimate proved your program to be correct! [2025-02-06 13:37:56,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE