./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-2.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/uthash-2.0.2/uthash_SFH_nondet_test2-2.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 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:24:45,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:24:45,778 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 18:24:45,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:24:45,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:24:45,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:24:45,811 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:24:45,811 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:24:45,812 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:24:45,812 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:24:45,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 18:24:45,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 18:24:45,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:24:45,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:24:45,813 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:24:45,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:24:45,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 18:24:45,813 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 18:24:45,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:24:45,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 18:24:45,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:24:45,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 18:24:45,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 18:24:45,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 18:24:45,814 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 18:24:45,814 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:24:45,814 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 18:24:45,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:24:45,814 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:24:45,815 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:24:45,815 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:24:45,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:24:45,815 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 18:24:45,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 18:24:45,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:24:45,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:24:45,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 18:24:45,816 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 18:24:45,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 18:24:45,816 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:24:45,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 18:24:45,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 18:24:45,816 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 18:24:45,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 18:24:45,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 18:24:45,816 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 -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2025-02-06 18:24:46,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:24:46,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:24:46,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:24:46,158 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:24:46,158 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:24:46,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-2.i [2025-02-06 18:24:47,472 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/06ed3bf1b/876c2da2f16743cf91e7106d5331dffd/FLAGac1ec9c9c [2025-02-06 18:24:47,828 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:24:47,829 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-2.i [2025-02-06 18:24:47,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/06ed3bf1b/876c2da2f16743cf91e7106d5331dffd/FLAGac1ec9c9c [2025-02-06 18:24:48,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/06ed3bf1b/876c2da2f16743cf91e7106d5331dffd [2025-02-06 18:24:48,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:24:48,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:24:48,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:24:48,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:24:48,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:24:48,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7af3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48, skipping insertion in model container [2025-02-06 18:24:48,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:24:48,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:24:48,524 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:24:48,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:24:48,701 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:24:48,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48 WrapperNode [2025-02-06 18:24:48,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:24:48,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:24:48,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:24:48,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:24:48,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,799 INFO L138 Inliner]: procedures = 207, calls = 273, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1406 [2025-02-06 18:24:48,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:24:48,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:24:48,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:24:48,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:24:48,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,897 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 34, 218]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2025-02-06 18:24:48,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,942 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:24:48,982 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:24:48,983 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:24:48,983 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:24:48,984 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (1/1) ... [2025-02-06 18:24:48,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:24:49,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:24:49,016 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 18:24:49,023 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 18:24:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 18:24:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 18:24:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 18:24:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 18:24:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 18:24:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 18:24:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 18:24:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 18:24:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 18:24:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 18:24:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 18:24:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 18:24:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 18:24:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 18:24:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 18:24:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 18:24:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 18:24:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 18:24:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 18:24:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 18:24:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 18:24:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 18:24:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 18:24:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 18:24:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 18:24:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:24:49,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:24:49,254 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:24:49,256 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:24:50,524 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-02-06 18:24:50,624 INFO L? ?]: Removed 329 outVars from TransFormulas that were not future-live. [2025-02-06 18:24:50,625 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:24:50,691 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:24:50,696 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-06 18:24:50,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:24:50 BoogieIcfgContainer [2025-02-06 18:24:50,696 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:24:50,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 18:24:50,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 18:24:50,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 18:24:50,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:24:48" (1/3) ... [2025-02-06 18:24:50,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24532659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:24:50, skipping insertion in model container [2025-02-06 18:24:50,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:24:48" (2/3) ... [2025-02-06 18:24:50,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24532659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:24:50, skipping insertion in model container [2025-02-06 18:24:50,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:24:50" (3/3) ... [2025-02-06 18:24:50,707 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test2-2.i [2025-02-06 18:24:50,724 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 18:24:50,725 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_nondet_test2-2.i that has 4 procedures, 415 locations, 1 initial locations, 38 loop locations, and 6 error locations. [2025-02-06 18:24:50,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 18:24:50,823 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;@3cf430cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 18:24:50,825 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-06 18:24:50,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 407 states, 396 states have (on average 1.621212121212121) internal successors, (642), 402 states have internal predecessors, (642), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 18:24:50,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 18:24:50,836 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:24:50,836 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:24:50,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:24:50,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:24:50,842 INFO L85 PathProgramCache]: Analyzing trace with hash 472332212, now seen corresponding path program 1 times [2025-02-06 18:24:50,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:24:50,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40823955] [2025-02-06 18:24:50,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:24:50,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:24:50,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:24:50,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:24:50,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:24:50,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:24:51,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:24:51,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:24:51,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40823955] [2025-02-06 18:24:51,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40823955] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:24:51,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:24:51,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:24:51,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933512262] [2025-02-06 18:24:51,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:24:51,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 18:24:51,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:24:51,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 18:24:51,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 18:24:51,040 INFO L87 Difference]: Start difference. First operand has 407 states, 396 states have (on average 1.621212121212121) internal successors, (642), 402 states have internal predecessors, (642), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:24:51,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:24:51,192 INFO L93 Difference]: Finished difference Result 810 states and 1291 transitions. [2025-02-06 18:24:51,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 18:24:51,194 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-06 18:24:51,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:24:51,207 INFO L225 Difference]: With dead ends: 810 [2025-02-06 18:24:51,208 INFO L226 Difference]: Without dead ends: 368 [2025-02-06 18:24:51,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 18:24:51,214 INFO L435 NwaCegarLoop]: 541 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:24:51,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 541 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:24:51,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-02-06 18:24:51,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2025-02-06 18:24:51,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 358 states have (on average 1.4664804469273742) internal successors, (525), 363 states have internal predecessors, (525), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 18:24:51,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 531 transitions. [2025-02-06 18:24:51,276 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 531 transitions. Word has length 8 [2025-02-06 18:24:51,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:24:51,276 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 531 transitions. [2025-02-06 18:24:51,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:24:51,277 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 531 transitions. [2025-02-06 18:24:51,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 18:24:51,277 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:24:51,277 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:24:51,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 18:24:51,278 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:24:51,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:24:51,279 INFO L85 PathProgramCache]: Analyzing trace with hash 472333173, now seen corresponding path program 1 times [2025-02-06 18:24:51,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:24:51,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673567623] [2025-02-06 18:24:51,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:24:51,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:24:51,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:24:51,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:24:51,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:24:51,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 18:24:51,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [6415618] [2025-02-06 18:24:51,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:24:51,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:24:51,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:24:51,338 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 18:24:51,340 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 18:24:51,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:24:51,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:24:51,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:24:51,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:24:51,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 18:24:51,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:24:51,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-06 18:24:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:24:51,575 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:24:51,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:24:51,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673567623] [2025-02-06 18:24:51,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 18:24:51,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6415618] [2025-02-06 18:24:51,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6415618] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:24:51,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:24:51,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:24:51,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030446589] [2025-02-06 18:24:51,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:24:51,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:24:51,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:24:51,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:24:51,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:24:51,581 INFO L87 Difference]: Start difference. First operand 368 states and 531 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:24:51,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:24:51,898 INFO L93 Difference]: Finished difference Result 729 states and 1055 transitions. [2025-02-06 18:24:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:24:51,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-06 18:24:51,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:24:51,904 INFO L225 Difference]: With dead ends: 729 [2025-02-06 18:24:51,905 INFO L226 Difference]: Without dead ends: 727 [2025-02-06 18:24:51,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:24:51,907 INFO L435 NwaCegarLoop]: 467 mSDtfsCounter, 511 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:24:51,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1395 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:24:51,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2025-02-06 18:24:51,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 374. [2025-02-06 18:24:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 364 states have (on average 1.4615384615384615) internal successors, (532), 369 states have internal predecessors, (532), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 18:24:51,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 538 transitions. [2025-02-06 18:24:51,944 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 538 transitions. Word has length 8 [2025-02-06 18:24:51,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:24:51,945 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 538 transitions. [2025-02-06 18:24:51,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:24:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 538 transitions. [2025-02-06 18:24:51,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-02-06 18:24:51,951 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:24:51,951 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:24:51,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 18:24:52,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:24:52,152 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:24:52,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:24:52,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1553436892, now seen corresponding path program 1 times [2025-02-06 18:24:52,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:24:52,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845947838] [2025-02-06 18:24:52,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:24:52,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:24:52,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-06 18:24:52,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-06 18:24:52,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:24:52,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:24:52,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:24:52,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:24:52,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845947838] [2025-02-06 18:24:52,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845947838] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:24:52,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:24:52,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:24:52,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507375148] [2025-02-06 18:24:52,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:24:52,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:24:52,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:24:52,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:24:52,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:24:52,577 INFO L87 Difference]: Start difference. First operand 374 states and 538 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 18:24:52,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:24:52,755 INFO L93 Difference]: Finished difference Result 491 states and 706 transitions. [2025-02-06 18:24:52,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:24:52,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2025-02-06 18:24:52,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:24:52,757 INFO L225 Difference]: With dead ends: 491 [2025-02-06 18:24:52,757 INFO L226 Difference]: Without dead ends: 332 [2025-02-06 18:24:52,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:24:52,761 INFO L435 NwaCegarLoop]: 398 mSDtfsCounter, 30 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:24:52,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1175 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:24:52,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-02-06 18:24:52,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2025-02-06 18:24:52,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 322 states have (on average 1.4130434782608696) internal successors, (455), 327 states have internal predecessors, (455), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 18:24:52,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 461 transitions. [2025-02-06 18:24:52,784 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 461 transitions. Word has length 66 [2025-02-06 18:24:52,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:24:52,785 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 461 transitions. [2025-02-06 18:24:52,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 18:24:52,785 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 461 transitions. [2025-02-06 18:24:52,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-02-06 18:24:52,787 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:24:52,787 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:24:52,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 18:24:52,788 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:24:52,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:24:52,789 INFO L85 PathProgramCache]: Analyzing trace with hash -517837154, now seen corresponding path program 1 times [2025-02-06 18:24:52,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:24:52,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585723460] [2025-02-06 18:24:52,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:24:52,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:24:52,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-06 18:24:52,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-06 18:24:52,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:24:52,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:24:53,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:24:53,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:24:53,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585723460] [2025-02-06 18:24:53,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585723460] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:24:53,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:24:53,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:24:53,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946804692] [2025-02-06 18:24:53,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:24:53,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:24:53,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:24:53,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:24:53,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:24:53,182 INFO L87 Difference]: Start difference. First operand 332 states and 461 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 18:24:53,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:24:53,382 INFO L93 Difference]: Finished difference Result 643 states and 899 transitions. [2025-02-06 18:24:53,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:24:53,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2025-02-06 18:24:53,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:24:53,386 INFO L225 Difference]: With dead ends: 643 [2025-02-06 18:24:53,386 INFO L226 Difference]: Without dead ends: 641 [2025-02-06 18:24:53,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:24:53,387 INFO L435 NwaCegarLoop]: 402 mSDtfsCounter, 371 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:24:53,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1199 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:24:53,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2025-02-06 18:24:53,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 447. [2025-02-06 18:24:53,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 437 states have (on average 1.3958810068649885) internal successors, (610), 442 states have internal predecessors, (610), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 18:24:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 616 transitions. [2025-02-06 18:24:53,416 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 616 transitions. Word has length 66 [2025-02-06 18:24:53,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:24:53,416 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 616 transitions. [2025-02-06 18:24:53,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 18:24:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 616 transitions. [2025-02-06 18:24:53,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 18:24:53,422 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:24:53,422 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:24:53,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 18:24:53,424 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:24:53,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:24:53,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1793293081, now seen corresponding path program 1 times [2025-02-06 18:24:53,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:24:53,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084953187] [2025-02-06 18:24:53,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:24:53,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:24:53,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 18:24:53,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 18:24:53,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:24:53,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:24:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:24:53,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:24:53,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084953187] [2025-02-06 18:24:53,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084953187] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:24:53,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:24:53,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:24:53,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183784994] [2025-02-06 18:24:53,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:24:53,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:24:53,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:24:53,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:24:53,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:24:53,700 INFO L87 Difference]: Start difference. First operand 447 states and 616 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 18:24:53,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:24:53,857 INFO L93 Difference]: Finished difference Result 843 states and 1156 transitions. [2025-02-06 18:24:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:24:53,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2025-02-06 18:24:53,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:24:53,862 INFO L225 Difference]: With dead ends: 843 [2025-02-06 18:24:53,863 INFO L226 Difference]: Without dead ends: 405 [2025-02-06 18:24:53,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:24:53,864 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 30 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:24:53,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 953 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:24:53,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-02-06 18:24:53,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2025-02-06 18:24:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 395 states have (on average 1.349367088607595) internal successors, (533), 400 states have internal predecessors, (533), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 18:24:53,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 539 transitions. [2025-02-06 18:24:53,885 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 539 transitions. Word has length 81 [2025-02-06 18:24:53,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:24:53,885 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 539 transitions. [2025-02-06 18:24:53,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 18:24:53,886 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 539 transitions. [2025-02-06 18:24:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 18:24:53,890 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:24:53,890 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:24:53,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 18:24:53,890 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:24:53,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:24:53,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1014818529, now seen corresponding path program 1 times [2025-02-06 18:24:53,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:24:53,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159528018] [2025-02-06 18:24:53,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:24:53,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:24:53,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 18:24:53,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 18:24:53,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:24:53,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:24:54,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:24:54,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:24:54,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159528018] [2025-02-06 18:24:54,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159528018] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:24:54,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:24:54,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:24:54,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52949002] [2025-02-06 18:24:54,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:24:54,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:24:54,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:24:54,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:24:54,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:24:54,073 INFO L87 Difference]: Start difference. First operand 405 states and 539 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 18:24:54,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:24:54,183 INFO L93 Difference]: Finished difference Result 1076 states and 1439 transitions. [2025-02-06 18:24:54,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:24:54,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2025-02-06 18:24:54,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:24:54,186 INFO L225 Difference]: With dead ends: 1076 [2025-02-06 18:24:54,189 INFO L226 Difference]: Without dead ends: 680 [2025-02-06 18:24:54,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:24:54,191 INFO L435 NwaCegarLoop]: 340 mSDtfsCounter, 181 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:24:54,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 667 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:24:54,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2025-02-06 18:24:54,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 678. [2025-02-06 18:24:54,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 668 states have (on average 1.348802395209581) internal successors, (901), 673 states have internal predecessors, (901), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 18:24:54,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 907 transitions. [2025-02-06 18:24:54,223 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 907 transitions. Word has length 81 [2025-02-06 18:24:54,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:24:54,223 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 907 transitions. [2025-02-06 18:24:54,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 18:24:54,224 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 907 transitions. [2025-02-06 18:24:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 18:24:54,225 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:24:54,225 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:24:54,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 18:24:54,225 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:24:54,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:24:54,226 INFO L85 PathProgramCache]: Analyzing trace with hash -995117927, now seen corresponding path program 1 times [2025-02-06 18:24:54,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:24:54,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587317057] [2025-02-06 18:24:54,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:24:54,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:24:54,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 18:24:54,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 18:24:54,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:24:54,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:24:54,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:24:54,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:24:54,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587317057] [2025-02-06 18:24:54,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587317057] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:24:54,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:24:54,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:24:54,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026457649] [2025-02-06 18:24:54,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:24:54,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:24:54,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:24:54,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:24:54,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:24:54,652 INFO L87 Difference]: Start difference. First operand 678 states and 907 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:24:54,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:24:54,803 INFO L93 Difference]: Finished difference Result 743 states and 992 transitions. [2025-02-06 18:24:54,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:24:54,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2025-02-06 18:24:54,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:24:54,807 INFO L225 Difference]: With dead ends: 743 [2025-02-06 18:24:54,807 INFO L226 Difference]: Without dead ends: 741 [2025-02-06 18:24:54,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:24:54,808 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 260 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:24:54,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 977 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:24:54,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2025-02-06 18:24:54,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2025-02-06 18:24:54,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 728 states have (on average 1.3434065934065933) internal successors, (978), 733 states have internal predecessors, (978), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:24:54,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 990 transitions. [2025-02-06 18:24:54,830 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 990 transitions. Word has length 96 [2025-02-06 18:24:54,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:24:54,831 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 990 transitions. [2025-02-06 18:24:54,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:24:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 990 transitions. [2025-02-06 18:24:54,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-06 18:24:54,832 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:24:54,832 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:24:54,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 18:24:54,833 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:24:54,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:24:54,833 INFO L85 PathProgramCache]: Analyzing trace with hash 267315817, now seen corresponding path program 1 times [2025-02-06 18:24:54,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:24:54,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659520821] [2025-02-06 18:24:54,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:24:54,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:24:54,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 18:24:55,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 18:24:55,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:24:55,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:24:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:24:55,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:24:55,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659520821] [2025-02-06 18:24:55,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659520821] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:24:55,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112989660] [2025-02-06 18:24:55,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:24:55,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:24:55,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:24:55,256 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 18:24:55,258 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 18:24:55,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 18:24:55,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 18:24:55,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:24:55,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:24:55,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-06 18:24:55,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:24:55,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-06 18:24:55,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-06 18:24:55,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-02-06 18:24:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:24:56,407 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:24:56,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112989660] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:24:56,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:24:56,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-02-06 18:24:56,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465030258] [2025-02-06 18:24:56,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:24:56,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 18:24:56,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:24:56,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 18:24:56,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-06 18:24:56,409 INFO L87 Difference]: Start difference. First operand 741 states and 990 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:24:57,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:24:57,729 INFO L93 Difference]: Finished difference Result 1363 states and 1822 transitions. [2025-02-06 18:24:57,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 18:24:57,730 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2025-02-06 18:24:57,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:24:57,733 INFO L225 Difference]: With dead ends: 1363 [2025-02-06 18:24:57,733 INFO L226 Difference]: Without dead ends: 755 [2025-02-06 18:24:57,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-06 18:24:57,735 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 468 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-06 18:24:57,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 1932 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-06 18:24:57,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2025-02-06 18:24:57,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 741. [2025-02-06 18:24:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 728 states have (on average 1.342032967032967) internal successors, (977), 733 states have internal predecessors, (977), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:24:57,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 989 transitions. [2025-02-06 18:24:57,755 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 989 transitions. Word has length 102 [2025-02-06 18:24:57,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:24:57,755 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 989 transitions. [2025-02-06 18:24:57,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:24:57,756 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 989 transitions. [2025-02-06 18:24:57,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-06 18:24:57,757 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:24:57,757 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:24:57,767 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 18:24:57,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:24:57,961 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:24:57,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:24:57,961 INFO L85 PathProgramCache]: Analyzing trace with hash -361243117, now seen corresponding path program 1 times [2025-02-06 18:24:57,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:24:57,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488296736] [2025-02-06 18:24:57,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:24:57,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:24:58,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 18:24:58,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 18:24:58,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:24:58,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:24:58,336 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:24:58,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:24:58,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488296736] [2025-02-06 18:24:58,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488296736] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:24:58,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945974473] [2025-02-06 18:24:58,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:24:58,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:24:58,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:24:58,339 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 18:24:58,344 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 18:24:58,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 18:24:58,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 18:24:58,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:24:58,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:24:58,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-02-06 18:24:58,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:24:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:24:58,904 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:24:58,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945974473] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:24:58,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:24:58,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-06 18:24:58,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16256262] [2025-02-06 18:24:58,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:24:58,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:24:58,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:24:58,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:24:58,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:24:58,906 INFO L87 Difference]: Start difference. First operand 741 states and 989 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:25:00,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:25:00,189 INFO L93 Difference]: Finished difference Result 1359 states and 1823 transitions. [2025-02-06 18:25:00,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:25:00,190 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2025-02-06 18:25:00,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:25:00,193 INFO L225 Difference]: With dead ends: 1359 [2025-02-06 18:25:00,193 INFO L226 Difference]: Without dead ends: 751 [2025-02-06 18:25:00,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:25:00,195 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 15 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:25:00,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1643 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-06 18:25:00,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2025-02-06 18:25:00,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 749. [2025-02-06 18:25:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 736 states have (on average 1.3355978260869565) internal successors, (983), 741 states have internal predecessors, (983), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:25:00,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 995 transitions. [2025-02-06 18:25:00,215 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 995 transitions. Word has length 103 [2025-02-06 18:25:00,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:25:00,215 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 995 transitions. [2025-02-06 18:25:00,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:25:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 995 transitions. [2025-02-06 18:25:00,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-06 18:25:00,216 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:25:00,217 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:25:00,227 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 18:25:00,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:25:00,417 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:25:00,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:25:00,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1174033105, now seen corresponding path program 1 times [2025-02-06 18:25:00,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:25:00,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728381611] [2025-02-06 18:25:00,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:25:00,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:25:00,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 18:25:00,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 18:25:00,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:25:00,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:25:00,791 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:25:00,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:25:00,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728381611] [2025-02-06 18:25:00,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728381611] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:25:00,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:25:00,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 18:25:00,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994768336] [2025-02-06 18:25:00,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:25:00,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:25:00,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:25:00,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:25:00,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:25:00,793 INFO L87 Difference]: Start difference. First operand 749 states and 995 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:25:01,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:25:01,180 INFO L93 Difference]: Finished difference Result 1361 states and 1816 transitions. [2025-02-06 18:25:01,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:25:01,180 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2025-02-06 18:25:01,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:25:01,185 INFO L225 Difference]: With dead ends: 1361 [2025-02-06 18:25:01,185 INFO L226 Difference]: Without dead ends: 759 [2025-02-06 18:25:01,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:25:01,187 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 12 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:25:01,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1663 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:25:01,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2025-02-06 18:25:01,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 755. [2025-02-06 18:25:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 742 states have (on average 1.3355795148247978) internal successors, (991), 747 states have internal predecessors, (991), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:25:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1003 transitions. [2025-02-06 18:25:01,212 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1003 transitions. Word has length 105 [2025-02-06 18:25:01,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:25:01,213 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 1003 transitions. [2025-02-06 18:25:01,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:25:01,213 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1003 transitions. [2025-02-06 18:25:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-06 18:25:01,215 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:25:01,215 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:25:01,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 18:25:01,216 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:25:01,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:25:01,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1625434367, now seen corresponding path program 1 times [2025-02-06 18:25:01,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:25:01,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327043813] [2025-02-06 18:25:01,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:25:01,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:25:01,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-06 18:25:01,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-06 18:25:01,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:25:01,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:25:01,598 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:25:01,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:25:01,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327043813] [2025-02-06 18:25:01,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327043813] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:25:01,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:25:01,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-06 18:25:01,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977815313] [2025-02-06 18:25:01,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:25:01,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 18:25:01,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:25:01,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 18:25:01,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:25:01,600 INFO L87 Difference]: Start difference. First operand 755 states and 1003 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:25:02,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:25:02,009 INFO L93 Difference]: Finished difference Result 1399 states and 1867 transitions. [2025-02-06 18:25:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 18:25:02,009 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2025-02-06 18:25:02,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:25:02,014 INFO L225 Difference]: With dead ends: 1399 [2025-02-06 18:25:02,015 INFO L226 Difference]: Without dead ends: 787 [2025-02-06 18:25:02,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:25:02,017 INFO L435 NwaCegarLoop]: 323 mSDtfsCounter, 21 mSDsluCounter, 1672 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1995 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:25:02,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1995 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:25:02,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2025-02-06 18:25:02,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 775. [2025-02-06 18:25:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 762 states have (on average 1.3346456692913387) internal successors, (1017), 767 states have internal predecessors, (1017), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:25:02,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1029 transitions. [2025-02-06 18:25:02,046 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1029 transitions. Word has length 106 [2025-02-06 18:25:02,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:25:02,046 INFO L471 AbstractCegarLoop]: Abstraction has 775 states and 1029 transitions. [2025-02-06 18:25:02,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:25:02,047 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1029 transitions. [2025-02-06 18:25:02,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-06 18:25:02,048 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:25:02,048 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:25:02,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 18:25:02,049 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:25:02,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:25:02,049 INFO L85 PathProgramCache]: Analyzing trace with hash 263836936, now seen corresponding path program 1 times [2025-02-06 18:25:02,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:25:02,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160678240] [2025-02-06 18:25:02,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:25:02,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:25:02,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 18:25:02,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 18:25:02,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:25:02,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:25:02,496 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:25:02,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:25:02,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160678240] [2025-02-06 18:25:02,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160678240] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:25:02,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:25:02,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-06 18:25:02,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614451105] [2025-02-06 18:25:02,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:25:02,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 18:25:02,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:25:02,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 18:25:02,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-06 18:25:02,500 INFO L87 Difference]: Start difference. First operand 775 states and 1029 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:25:03,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:25:03,068 INFO L93 Difference]: Finished difference Result 1417 states and 1889 transitions. [2025-02-06 18:25:03,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 18:25:03,068 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2025-02-06 18:25:03,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:25:03,072 INFO L225 Difference]: With dead ends: 1417 [2025-02-06 18:25:03,072 INFO L226 Difference]: Without dead ends: 793 [2025-02-06 18:25:03,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-06 18:25:03,074 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 26 mSDsluCounter, 1917 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2247 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 18:25:03,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2247 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 18:25:03,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2025-02-06 18:25:03,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 781. [2025-02-06 18:25:03,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 768 states have (on average 1.3294270833333333) internal successors, (1021), 773 states have internal predecessors, (1021), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:25:03,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1033 transitions. [2025-02-06 18:25:03,098 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1033 transitions. Word has length 107 [2025-02-06 18:25:03,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:25:03,098 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1033 transitions. [2025-02-06 18:25:03,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:25:03,099 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1033 transitions. [2025-02-06 18:25:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-06 18:25:03,100 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:25:03,100 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:25:03,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 18:25:03,101 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:25:03,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:25:03,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1468142787, now seen corresponding path program 1 times [2025-02-06 18:25:03,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:25:03,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751468513] [2025-02-06 18:25:03,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:25:03,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:25:03,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 18:25:03,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 18:25:03,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:25:03,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:25:03,606 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:25:03,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:25:03,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751468513] [2025-02-06 18:25:03,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751468513] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:25:03,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275855816] [2025-02-06 18:25:03,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:25:03,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:25:03,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:25:03,609 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 18:25:03,612 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 18:25:03,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 18:25:03,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 18:25:03,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:25:03,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:25:03,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 18:25:03,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:25:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:25:04,075 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:25:04,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275855816] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:25:04,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:25:04,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-06 18:25:04,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022086376] [2025-02-06 18:25:04,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:25:04,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:25:04,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:25:04,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:25:04,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:25:04,081 INFO L87 Difference]: Start difference. First operand 781 states and 1033 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:25:04,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:25:04,441 INFO L93 Difference]: Finished difference Result 1408 states and 1869 transitions. [2025-02-06 18:25:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 18:25:04,442 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2025-02-06 18:25:04,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:25:04,445 INFO L225 Difference]: With dead ends: 1408 [2025-02-06 18:25:04,446 INFO L226 Difference]: Without dead ends: 795 [2025-02-06 18:25:04,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-06 18:25:04,448 INFO L435 NwaCegarLoop]: 319 mSDtfsCounter, 39 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 1670 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:25:04,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 1670 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:25:04,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2025-02-06 18:25:04,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 785. [2025-02-06 18:25:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 772 states have (on average 1.327720207253886) internal successors, (1025), 777 states have internal predecessors, (1025), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:25:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1037 transitions. [2025-02-06 18:25:04,475 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1037 transitions. Word has length 107 [2025-02-06 18:25:04,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:25:04,475 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 1037 transitions. [2025-02-06 18:25:04,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:25:04,475 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1037 transitions. [2025-02-06 18:25:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-06 18:25:04,477 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:25:04,477 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:25:04,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 18:25:04,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-06 18:25:04,681 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:25:04,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:25:04,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1229746937, now seen corresponding path program 1 times [2025-02-06 18:25:04,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:25:04,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571144464] [2025-02-06 18:25:04,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:25:04,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:25:04,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 18:25:04,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 18:25:04,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:25:04,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:25:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:25:04,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:25:04,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571144464] [2025-02-06 18:25:04,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571144464] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:25:04,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121034106] [2025-02-06 18:25:04,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:25:04,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:25:04,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:25:04,956 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 18:25:04,958 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 18:25:05,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 18:25:05,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 18:25:05,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:25:05,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:25:05,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 18:25:05,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:25:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:25:05,541 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:25:05,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121034106] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:25:05,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:25:05,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-06 18:25:05,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329666596] [2025-02-06 18:25:05,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:25:05,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:25:05,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:25:05,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:25:05,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:25:05,543 INFO L87 Difference]: Start difference. First operand 785 states and 1037 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:25:06,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:25:06,044 INFO L93 Difference]: Finished difference Result 1415 states and 1879 transitions. [2025-02-06 18:25:06,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:25:06,045 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2025-02-06 18:25:06,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:25:06,048 INFO L225 Difference]: With dead ends: 1415 [2025-02-06 18:25:06,048 INFO L226 Difference]: Without dead ends: 795 [2025-02-06 18:25:06,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:25:06,049 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 10 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 18:25:06,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1664 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 18:25:06,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2025-02-06 18:25:06,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 785. [2025-02-06 18:25:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 772 states have (on average 1.327720207253886) internal successors, (1025), 777 states have internal predecessors, (1025), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:25:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1037 transitions. [2025-02-06 18:25:06,069 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1037 transitions. Word has length 107 [2025-02-06 18:25:06,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:25:06,069 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 1037 transitions. [2025-02-06 18:25:06,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:25:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1037 transitions. [2025-02-06 18:25:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-06 18:25:06,071 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:25:06,071 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:25:06,082 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 18:25:06,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-06 18:25:06,272 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:25:06,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:25:06,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1606346489, now seen corresponding path program 1 times [2025-02-06 18:25:06,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:25:06,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800744374] [2025-02-06 18:25:06,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:25:06,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:25:06,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 18:25:06,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 18:25:06,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:25:06,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:25:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:25:06,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:25:06,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800744374] [2025-02-06 18:25:06,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800744374] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:25:06,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935181244] [2025-02-06 18:25:06,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:25:06,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:25:06,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:25:06,644 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 18:25:06,646 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 18:25:06,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 18:25:07,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 18:25:07,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:25:07,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:25:07,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 18:25:07,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:25:07,044 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:25:07,044 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:25:07,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935181244] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:25:07,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:25:07,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-02-06 18:25:07,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780524064] [2025-02-06 18:25:07,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:25:07,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:25:07,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:25:07,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:25:07,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:25:07,046 INFO L87 Difference]: Start difference. First operand 785 states and 1037 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 18:25:07,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:25:07,122 INFO L93 Difference]: Finished difference Result 1368 states and 1813 transitions. [2025-02-06 18:25:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:25:07,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 108 [2025-02-06 18:25:07,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:25:07,127 INFO L225 Difference]: With dead ends: 1368 [2025-02-06 18:25:07,127 INFO L226 Difference]: Without dead ends: 788 [2025-02-06 18:25:07,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:25:07,129 INFO L435 NwaCegarLoop]: 338 mSDtfsCounter, 0 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:25:07,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1010 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:25:07,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2025-02-06 18:25:07,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 788. [2025-02-06 18:25:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 774 states have (on average 1.3281653746770026) internal successors, (1028), 780 states have internal predecessors, (1028), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-06 18:25:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1042 transitions. [2025-02-06 18:25:07,152 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1042 transitions. Word has length 108 [2025-02-06 18:25:07,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:25:07,153 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1042 transitions. [2025-02-06 18:25:07,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 18:25:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1042 transitions. [2025-02-06 18:25:07,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-06 18:25:07,154 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:25:07,154 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:25:07,164 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 18:25:07,354 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,SelfDestructingSolverStorable14 [2025-02-06 18:25:07,355 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:25:07,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:25:07,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1142994443, now seen corresponding path program 1 times [2025-02-06 18:25:07,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:25:07,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993631105] [2025-02-06 18:25:07,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:25:07,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:25:07,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 18:25:07,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 18:25:07,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:25:07,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:25:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:25:07,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:25:07,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993631105] [2025-02-06 18:25:07,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993631105] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:25:07,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877593572] [2025-02-06 18:25:07,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:25:07,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:25:07,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:25:07,704 INFO L229 MonitoredProcess]: Starting monitored process 8 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 18:25:07,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 18:25:07,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 18:25:08,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 18:25:08,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:25:08,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:25:08,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 98 conjuncts are in the unsatisfiable core [2025-02-06 18:25:08,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:25:08,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2025-02-06 18:25:08,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-02-06 18:25:08,675 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2025-02-06 18:25:08,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2025-02-06 18:25:08,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-02-06 18:25:08,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2025-02-06 18:25:08,875 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2025-02-06 18:25:08,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2025-02-06 18:25:08,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2025-02-06 18:25:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-06 18:25:11,500 INFO L224 Elim1Store]: Index analysis took 102 ms