./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 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_BER_test3-1.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 eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:11:47,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:11:47,787 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:11:47,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:11:47,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:11:47,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:11:47,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:11:47,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:11:47,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:11:47,815 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:11:47,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:11:47,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:11:47,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:11:47,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:11:47,816 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:11:47,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:11:47,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:11:47,817 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:11:47,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:11:47,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:11:47,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:11:47,818 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:11:47,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:11:47,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:11:47,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:11:47,819 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:11:47,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:11:47,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:11:47,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:11:47,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:11:47,820 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:11:47,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:11:47,820 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:11:47,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:11:47,820 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:11:47,820 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:11:47,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:11:47,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:11:47,820 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 -> eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 [2025-01-10 06:11:48,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:11:48,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:11:48,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:11:48,046 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:11:48,046 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:11:48,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2025-01-10 06:11:49,249 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/de84baf5a/fbc245b3065e45a98ccfec26209ff104/FLAG666c2b379 [2025-01-10 06:11:49,583 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:11:49,585 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2025-01-10 06:11:49,600 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/de84baf5a/fbc245b3065e45a98ccfec26209ff104/FLAG666c2b379 [2025-01-10 06:11:49,611 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/de84baf5a/fbc245b3065e45a98ccfec26209ff104 [2025-01-10 06:11:49,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:11:49,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:11:49,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:11:49,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:11:49,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:11:49,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:11:49" (1/1) ... [2025-01-10 06:11:49,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dace4ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:49, skipping insertion in model container [2025-01-10 06:11:49,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:11:49" (1/1) ... [2025-01-10 06:11:49,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:11:49,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:11:49,993 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:11:50,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:11:50,089 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:11:50,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50 WrapperNode [2025-01-10 06:11:50,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:11:50,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:11:50,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:11:50,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:11:50,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,172 INFO L138 Inliner]: procedures = 177, calls = 279, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1418 [2025-01-10 06:11:50,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:11:50,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:11:50,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:11:50,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:11:50,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,187 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,242 INFO L175 MemorySlicer]: Split 255 memory accesses to 3 slices as follows [2, 219, 34]. 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, 50, 4]. [2025-01-10 06:11:50,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,277 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:11:50,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:11:50,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:11:50,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:11:50,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (1/1) ... [2025-01-10 06:11:50,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:11:50,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:11:50,345 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) [2025-01-10 06:11:50,347 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 [2025-01-10 06:11:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-01-10 06:11:50,365 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-01-10 06:11:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 06:11:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-10 06:11:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-10 06:11:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 06:11:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 06:11:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 06:11:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 06:11:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-10 06:11:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-10 06:11:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-10 06:11:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-10 06:11:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-10 06:11:50,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-10 06:11:50,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-10 06:11:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:11:50,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:11:50,526 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:11:50,528 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:11:51,652 INFO L? ?]: Removed 333 outVars from TransFormulas that were not future-live. [2025-01-10 06:11:51,652 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:11:51,672 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:11:51,672 INFO L312 CfgBuilder]: Removed 31 assume(true) statements. [2025-01-10 06:11:51,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:11:51 BoogieIcfgContainer [2025-01-10 06:11:51,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:11:51,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:11:51,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:11:51,677 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:11:51,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:11:49" (1/3) ... [2025-01-10 06:11:51,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a61dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:11:51, skipping insertion in model container [2025-01-10 06:11:51,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:11:50" (2/3) ... [2025-01-10 06:11:51,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a61dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:11:51, skipping insertion in model container [2025-01-10 06:11:51,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:11:51" (3/3) ... [2025-01-10 06:11:51,679 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-1.i [2025-01-10 06:11:51,693 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:11:51,694 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test3-1.i that has 6 procedures, 434 locations, 1 initial locations, 38 loop locations, and 8 error locations. [2025-01-10 06:11:51,749 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:11:51,759 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;@5a4c7143, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:11:51,760 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-01-10 06:11:51,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 426 states, 404 states have (on average 1.6212871287128714) internal successors, (655), 419 states have internal predecessors, (655), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 06:11:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 06:11:51,769 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:11:51,770 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:11:51,770 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:11:51,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:11:51,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1794109960, now seen corresponding path program 1 times [2025-01-10 06:11:51,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:11:51,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25441637] [2025-01-10 06:11:51,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:51,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:11:51,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:11:51,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:11:51,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:51,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:11:51,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:11:51,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25441637] [2025-01-10 06:11:51,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25441637] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:11:51,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:11:51,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:11:51,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206894212] [2025-01-10 06:11:51,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:11:51,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 06:11:51,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:11:51,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 06:11:51,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 06:11:51,938 INFO L87 Difference]: Start difference. First operand has 426 states, 404 states have (on average 1.6212871287128714) internal successors, (655), 419 states have internal predecessors, (655), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) 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) [2025-01-10 06:11:51,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:11:51,991 INFO L93 Difference]: Finished difference Result 848 states and 1352 transitions. [2025-01-10 06:11:51,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 06:11:51,998 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 [2025-01-10 06:11:51,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:11:52,004 INFO L225 Difference]: With dead ends: 848 [2025-01-10 06:11:52,005 INFO L226 Difference]: Without dead ends: 418 [2025-01-10 06:11:52,008 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 [2025-01-10 06:11:52,010 INFO L435 NwaCegarLoop]: 608 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:11:52,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:11:52,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2025-01-10 06:11:52,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2025-01-10 06:11:52,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 400 states have (on average 1.4625) internal successors, (585), 412 states have internal predecessors, (585), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 06:11:52,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 601 transitions. [2025-01-10 06:11:52,067 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 601 transitions. Word has length 8 [2025-01-10 06:11:52,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:11:52,068 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 601 transitions. [2025-01-10 06:11:52,068 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) [2025-01-10 06:11:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 601 transitions. [2025-01-10 06:11:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 06:11:52,069 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:11:52,069 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:11:52,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:11:52,069 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:11:52,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:11:52,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1000487724, now seen corresponding path program 1 times [2025-01-10 06:11:52,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:11:52,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698413562] [2025-01-10 06:11:52,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:52,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:11:52,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:11:52,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:11:52,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:52,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 06:11:52,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [631121692] [2025-01-10 06:11:52,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:52,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:11:52,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:11:52,108 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) [2025-01-10 06:11:52,110 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 [2025-01-10 06:11:52,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:11:52,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:11:52,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:52,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:52,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:11:52,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:11:52,267 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 [2025-01-10 06:11:52,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:11:52,302 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:11:52,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:11:52,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698413562] [2025-01-10 06:11:52,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 06:11:52,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631121692] [2025-01-10 06:11:52,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631121692] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:11:52,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:11:52,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:11:52,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134218295] [2025-01-10 06:11:52,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:11:52,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:11:52,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:11:52,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:11:52,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:11:52,306 INFO L87 Difference]: Start difference. First operand 418 states and 601 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) [2025-01-10 06:11:52,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:11:52,476 INFO L93 Difference]: Finished difference Result 826 states and 1193 transitions. [2025-01-10 06:11:52,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:11:52,480 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 [2025-01-10 06:11:52,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:11:52,483 INFO L225 Difference]: With dead ends: 826 [2025-01-10 06:11:52,485 INFO L226 Difference]: Without dead ends: 825 [2025-01-10 06:11:52,486 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 [2025-01-10 06:11:52,487 INFO L435 NwaCegarLoop]: 578 mSDtfsCounter, 569 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1725 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:11:52,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1725 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:11:52,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2025-01-10 06:11:52,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 424. [2025-01-10 06:11:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 406 states have (on average 1.458128078817734) internal successors, (592), 418 states have internal predecessors, (592), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 06:11:52,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 608 transitions. [2025-01-10 06:11:52,513 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 608 transitions. Word has length 8 [2025-01-10 06:11:52,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:11:52,513 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 608 transitions. [2025-01-10 06:11:52,514 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) [2025-01-10 06:11:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 608 transitions. [2025-01-10 06:11:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 06:11:52,514 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:11:52,514 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:11:52,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 06:11:52,715 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 [2025-01-10 06:11:52,715 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:11:52,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:11:52,715 INFO L85 PathProgramCache]: Analyzing trace with hash 950348457, now seen corresponding path program 1 times [2025-01-10 06:11:52,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:11:52,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395548850] [2025-01-10 06:11:52,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:52,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:11:52,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 06:11:52,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 06:11:52,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:52,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 06:11:52,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [812193513] [2025-01-10 06:11:52,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:52,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:11:52,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:11:52,745 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) [2025-01-10 06:11:52,746 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 [2025-01-10 06:11:52,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 06:11:52,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 06:11:52,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:52,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:52,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:11:52,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:11:52,861 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 [2025-01-10 06:11:52,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:11:52,881 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:11:52,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:11:52,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395548850] [2025-01-10 06:11:52,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 06:11:52,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812193513] [2025-01-10 06:11:52,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812193513] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:11:52,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:11:52,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:11:52,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475088487] [2025-01-10 06:11:52,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:11:52,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:11:52,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:11:52,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:11:52,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:11:52,882 INFO L87 Difference]: Start difference. First operand 424 states and 608 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-01-10 06:11:53,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:11:53,010 INFO L93 Difference]: Finished difference Result 825 states and 1192 transitions. [2025-01-10 06:11:53,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:11:53,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2025-01-10 06:11:53,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:11:53,013 INFO L225 Difference]: With dead ends: 825 [2025-01-10 06:11:53,013 INFO L226 Difference]: Without dead ends: 824 [2025-01-10 06:11:53,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:11:53,014 INFO L435 NwaCegarLoop]: 622 mSDtfsCounter, 567 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 1812 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:11:53,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 1812 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:11:53,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2025-01-10 06:11:53,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 425. [2025-01-10 06:11:53,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 407 states have (on average 1.457002457002457) internal successors, (593), 419 states have internal predecessors, (593), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 06:11:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 609 transitions. [2025-01-10 06:11:53,026 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 609 transitions. Word has length 9 [2025-01-10 06:11:53,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:11:53,026 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 609 transitions. [2025-01-10 06:11:53,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-01-10 06:11:53,026 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 609 transitions. [2025-01-10 06:11:53,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 06:11:53,027 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:11:53,027 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:11:53,033 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 [2025-01-10 06:11:53,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:11:53,228 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:11:53,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:11:53,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1794907690, now seen corresponding path program 1 times [2025-01-10 06:11:53,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:11:53,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002683902] [2025-01-10 06:11:53,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:53,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:11:53,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 06:11:53,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 06:11:53,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:53,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:11:53,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:11:53,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002683902] [2025-01-10 06:11:53,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002683902] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:11:53,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:11:53,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:11:53,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204826272] [2025-01-10 06:11:53,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:11:53,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:11:53,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:11:53,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:11:53,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:11:53,361 INFO L87 Difference]: Start difference. First operand 425 states and 609 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-01-10 06:11:53,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:11:53,464 INFO L93 Difference]: Finished difference Result 1032 states and 1494 transitions. [2025-01-10 06:11:53,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:11:53,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2025-01-10 06:11:53,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:11:53,468 INFO L225 Difference]: With dead ends: 1032 [2025-01-10 06:11:53,471 INFO L226 Difference]: Without dead ends: 823 [2025-01-10 06:11:53,473 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 [2025-01-10 06:11:53,474 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 570 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1733 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:11:53,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1733 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:11:53,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2025-01-10 06:11:53,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 425. [2025-01-10 06:11:53,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 407 states have (on average 1.4545454545454546) internal successors, (592), 419 states have internal predecessors, (592), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 06:11:53,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 608 transitions. [2025-01-10 06:11:53,504 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 608 transitions. Word has length 10 [2025-01-10 06:11:53,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:11:53,504 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 608 transitions. [2025-01-10 06:11:53,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-01-10 06:11:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 608 transitions. [2025-01-10 06:11:53,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-01-10 06:11:53,506 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:11:53,506 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] [2025-01-10 06:11:53,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:11:53,507 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:11:53,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:11:53,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1666939625, now seen corresponding path program 1 times [2025-01-10 06:11:53,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:11:53,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699177903] [2025-01-10 06:11:53,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:53,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:11:53,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-10 06:11:53,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 06:11:53,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:53,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:11:53,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:11:53,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699177903] [2025-01-10 06:11:53,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699177903] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:11:53,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:11:53,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:11:53,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299334649] [2025-01-10 06:11:53,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:11:53,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:11:53,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:11:53,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:11:53,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:11:53,809 INFO L87 Difference]: Start difference. First operand 425 states and 608 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) [2025-01-10 06:11:53,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:11:53,883 INFO L93 Difference]: Finished difference Result 844 states and 1210 transitions. [2025-01-10 06:11:53,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:11:53,883 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 [2025-01-10 06:11:53,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:11:53,885 INFO L225 Difference]: With dead ends: 844 [2025-01-10 06:11:53,885 INFO L226 Difference]: Without dead ends: 428 [2025-01-10 06:11:53,886 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 [2025-01-10 06:11:53,886 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 105 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:11:53,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1629 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:11:53,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2025-01-10 06:11:53,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 425. [2025-01-10 06:11:53,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 407 states have (on average 1.4373464373464373) internal successors, (585), 419 states have internal predecessors, (585), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 06:11:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 601 transitions. [2025-01-10 06:11:53,896 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 601 transitions. Word has length 81 [2025-01-10 06:11:53,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:11:53,897 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 601 transitions. [2025-01-10 06:11:53,897 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) [2025-01-10 06:11:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 601 transitions. [2025-01-10 06:11:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-01-10 06:11:53,898 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:11:53,899 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] [2025-01-10 06:11:53,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 06:11:53,899 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:11:53,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:11:53,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1538676899, now seen corresponding path program 1 times [2025-01-10 06:11:53,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:11:53,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739399181] [2025-01-10 06:11:53,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:53,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:11:53,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-10 06:11:53,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 06:11:53,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:53,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:11:54,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:11:54,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739399181] [2025-01-10 06:11:54,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739399181] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:11:54,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:11:54,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:11:54,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202016640] [2025-01-10 06:11:54,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:11:54,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:11:54,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:11:54,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:11:54,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:11:54,064 INFO L87 Difference]: Start difference. First operand 425 states and 601 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) [2025-01-10 06:11:54,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:11:54,143 INFO L93 Difference]: Finished difference Result 1132 states and 1622 transitions. [2025-01-10 06:11:54,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:11:54,145 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 [2025-01-10 06:11:54,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:11:54,148 INFO L225 Difference]: With dead ends: 1132 [2025-01-10 06:11:54,148 INFO L226 Difference]: Without dead ends: 716 [2025-01-10 06:11:54,148 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 [2025-01-10 06:11:54,149 INFO L435 NwaCegarLoop]: 779 mSDtfsCounter, 372 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:11:54,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1349 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:11:54,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2025-01-10 06:11:54,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 712. [2025-01-10 06:11:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 694 states have (on average 1.4553314121037464) internal successors, (1010), 706 states have internal predecessors, (1010), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 06:11:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1026 transitions. [2025-01-10 06:11:54,177 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1026 transitions. Word has length 81 [2025-01-10 06:11:54,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:11:54,178 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 1026 transitions. [2025-01-10 06:11:54,178 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) [2025-01-10 06:11:54,178 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1026 transitions. [2025-01-10 06:11:54,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-10 06:11:54,180 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:11:54,180 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] [2025-01-10 06:11:54,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:11:54,180 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:11:54,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:11:54,181 INFO L85 PathProgramCache]: Analyzing trace with hash -2057163265, now seen corresponding path program 1 times [2025-01-10 06:11:54,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:11:54,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528293001] [2025-01-10 06:11:54,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:54,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:11:54,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-10 06:11:54,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 06:11:54,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:54,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:54,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:11:54,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:11:54,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528293001] [2025-01-10 06:11:54,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528293001] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:11:54,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:11:54,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:11:54,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162727095] [2025-01-10 06:11:54,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:11:54,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:11:54,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:11:54,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:11:54,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:11:54,578 INFO L87 Difference]: Start difference. First operand 712 states and 1026 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) [2025-01-10 06:11:54,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:11:54,666 INFO L93 Difference]: Finished difference Result 1015 states and 1457 transitions. [2025-01-10 06:11:54,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:11:54,666 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 [2025-01-10 06:11:54,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:11:54,670 INFO L225 Difference]: With dead ends: 1015 [2025-01-10 06:11:54,671 INFO L226 Difference]: Without dead ends: 1013 [2025-01-10 06:11:54,671 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 [2025-01-10 06:11:54,672 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 477 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 1711 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:11:54,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 1711 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:11:54,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2025-01-10 06:11:54,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 776. [2025-01-10 06:11:54,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 755 states have (on average 1.4410596026490066) internal successors, (1088), 767 states have internal predecessors, (1088), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-10 06:11:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1110 transitions. [2025-01-10 06:11:54,698 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1110 transitions. Word has length 96 [2025-01-10 06:11:54,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:11:54,699 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1110 transitions. [2025-01-10 06:11:54,699 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) [2025-01-10 06:11:54,699 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1110 transitions. [2025-01-10 06:11:54,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-01-10 06:11:54,699 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:11:54,700 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] [2025-01-10 06:11:54,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 06:11:54,700 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:11:54,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:11:54,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1604449436, now seen corresponding path program 1 times [2025-01-10 06:11:54,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:11:54,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447889209] [2025-01-10 06:11:54,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:54,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:11:54,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 06:11:54,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 06:11:54,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:54,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:55,129 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 06:11:55,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:11:55,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447889209] [2025-01-10 06:11:55,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447889209] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:11:55,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174521957] [2025-01-10 06:11:55,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:55,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:11:55,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:11:55,134 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) [2025-01-10 06:11:55,136 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 [2025-01-10 06:11:55,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 06:11:55,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 06:11:55,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:55,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:55,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-10 06:11:55,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:11:55,461 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 [2025-01-10 06:11:55,482 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 [2025-01-10 06:11:55,499 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 [2025-01-10 06:11:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:11:56,101 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:11:56,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174521957] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:11:56,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:11:56,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-01-10 06:11:56,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643023478] [2025-01-10 06:11:56,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:11:56,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 06:11:56,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:11:56,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 06:11:56,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:11:56,102 INFO L87 Difference]: Start difference. First operand 776 states and 1110 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 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) [2025-01-10 06:11:57,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:11:57,324 INFO L93 Difference]: Finished difference Result 1749 states and 2504 transitions. [2025-01-10 06:11:57,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 06:11:57,325 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 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 [2025-01-10 06:11:57,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:11:57,329 INFO L225 Difference]: With dead ends: 1749 [2025-01-10 06:11:57,329 INFO L226 Difference]: Without dead ends: 1061 [2025-01-10 06:11:57,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-01-10 06:11:57,331 INFO L435 NwaCegarLoop]: 616 mSDtfsCounter, 833 mSDsluCounter, 2522 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 3138 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 06:11:57,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 3138 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 06:11:57,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2025-01-10 06:11:57,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 801. [2025-01-10 06:11:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 780 states have (on average 1.4333333333333333) internal successors, (1118), 792 states have internal predecessors, (1118), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-10 06:11:57,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1140 transitions. [2025-01-10 06:11:57,351 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1140 transitions. Word has length 103 [2025-01-10 06:11:57,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:11:57,351 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1140 transitions. [2025-01-10 06:11:57,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 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) [2025-01-10 06:11:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1140 transitions. [2025-01-10 06:11:57,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-10 06:11:57,352 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:11:57,352 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] [2025-01-10 06:11:57,362 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 [2025-01-10 06:11:57,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:11:57,557 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:11:57,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:11:57,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1108106495, now seen corresponding path program 1 times [2025-01-10 06:11:57,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:11:57,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873355081] [2025-01-10 06:11:57,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:11:57,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 06:11:57,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 06:11:57,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:57,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:57,935 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 06:11:57,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:11:57,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873355081] [2025-01-10 06:11:57,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873355081] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:11:57,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566215098] [2025-01-10 06:11:57,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:57,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:11:57,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:11:57,938 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) [2025-01-10 06:11:57,939 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 [2025-01-10 06:11:58,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 06:11:58,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 06:11:58,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:58,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:58,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:11:58,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:11:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:11:58,342 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:11:58,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566215098] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:11:58,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:11:58,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-01-10 06:11:58,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3079728] [2025-01-10 06:11:58,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:11:58,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:11:58,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:11:58,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:11:58,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:11:58,344 INFO L87 Difference]: Start difference. First operand 801 states and 1140 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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) [2025-01-10 06:11:58,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:11:58,375 INFO L93 Difference]: Finished difference Result 1442 states and 2061 transitions. [2025-01-10 06:11:58,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:11:58,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 104 [2025-01-10 06:11:58,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:11:58,380 INFO L225 Difference]: With dead ends: 1442 [2025-01-10 06:11:58,380 INFO L226 Difference]: Without dead ends: 804 [2025-01-10 06:11:58,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:11:58,382 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 0 mSDsluCounter, 1178 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:11:58,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1769 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:11:58,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2025-01-10 06:11:58,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2025-01-10 06:11:58,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 782 states have (on average 1.4335038363171355) internal successors, (1121), 795 states have internal predecessors, (1121), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2025-01-10 06:11:58,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1145 transitions. [2025-01-10 06:11:58,408 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1145 transitions. Word has length 104 [2025-01-10 06:11:58,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:11:58,408 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1145 transitions. [2025-01-10 06:11:58,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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) [2025-01-10 06:11:58,409 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1145 transitions. [2025-01-10 06:11:58,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-10 06:11:58,409 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:11:58,410 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:11:58,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 06:11:58,610 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,SelfDestructingSolverStorable8 [2025-01-10 06:11:58,610 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:11:58,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:11:58,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1967918275, now seen corresponding path program 1 times [2025-01-10 06:11:58,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:11:58,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453160281] [2025-01-10 06:11:58,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:58,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:11:58,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 06:11:58,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 06:11:58,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:58,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 06:11:58,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:11:58,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453160281] [2025-01-10 06:11:58,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453160281] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:11:58,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534106819] [2025-01-10 06:11:58,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:11:58,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:11:58,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:11:58,919 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) [2025-01-10 06:11:58,920 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 [2025-01-10 06:11:59,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 06:11:59,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 06:11:59,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:11:59,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:11:59,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-10 06:11:59,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:11:59,195 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 [2025-01-10 06:11:59,209 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 [2025-01-10 06:11:59,220 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 [2025-01-10 06:11:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-10 06:11:59,806 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:11:59,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534106819] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:11:59,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:11:59,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2025-01-10 06:11:59,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954058953] [2025-01-10 06:11:59,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:11:59,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 06:11:59,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:11:59,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 06:11:59,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-01-10 06:11:59,807 INFO L87 Difference]: Start difference. First operand 804 states and 1145 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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) [2025-01-10 06:12:02,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-10 06:12:04,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-01-10 06:12:04,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:04,820 INFO L93 Difference]: Finished difference Result 1802 states and 2577 transitions. [2025-01-10 06:12:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 06:12:04,820 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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 106 [2025-01-10 06:12:04,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:04,825 INFO L225 Difference]: With dead ends: 1802 [2025-01-10 06:12:04,825 INFO L226 Difference]: Without dead ends: 1116 [2025-01-10 06:12:04,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=132, Invalid=420, Unknown=0, NotChecked=0, Total=552 [2025-01-10 06:12:04,828 INFO L435 NwaCegarLoop]: 612 mSDtfsCounter, 912 mSDsluCounter, 3045 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 3657 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:04,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [919 Valid, 3657 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1075 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-01-10 06:12:04,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2025-01-10 06:12:04,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 839. [2025-01-10 06:12:04,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 817 states have (on average 1.427172582619339) internal successors, (1166), 830 states have internal predecessors, (1166), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2025-01-10 06:12:04,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1190 transitions. [2025-01-10 06:12:04,852 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1190 transitions. Word has length 106 [2025-01-10 06:12:04,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:04,852 INFO L471 AbstractCegarLoop]: Abstraction has 839 states and 1190 transitions. [2025-01-10 06:12:04,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 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) [2025-01-10 06:12:04,852 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1190 transitions. [2025-01-10 06:12:04,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-10 06:12:04,853 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:04,853 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:04,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 06:12:05,054 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,SelfDestructingSolverStorable9 [2025-01-10 06:12:05,055 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:05,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:05,055 INFO L85 PathProgramCache]: Analyzing trace with hash -855786838, now seen corresponding path program 1 times [2025-01-10 06:12:05,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:05,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638011324] [2025-01-10 06:12:05,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:05,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:05,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-10 06:12:05,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-10 06:12:05,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:05,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:05,277 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-10 06:12:05,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:05,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638011324] [2025-01-10 06:12:05,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638011324] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:05,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:12:05,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-10 06:12:05,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009735441] [2025-01-10 06:12:05,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:05,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:12:05,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:05,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:12:05,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:12:05,279 INFO L87 Difference]: Start difference. First operand 839 states and 1190 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 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) [2025-01-10 06:12:05,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:05,725 INFO L93 Difference]: Finished difference Result 1584 states and 2257 transitions. [2025-01-10 06:12:05,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 06:12:05,725 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 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 107 [2025-01-10 06:12:05,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:05,729 INFO L225 Difference]: With dead ends: 1584 [2025-01-10 06:12:05,729 INFO L226 Difference]: Without dead ends: 873 [2025-01-10 06:12:05,730 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 [2025-01-10 06:12:05,731 INFO L435 NwaCegarLoop]: 573 mSDtfsCounter, 14 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:05,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2821 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 06:12:05,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2025-01-10 06:12:05,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 867. [2025-01-10 06:12:05,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 845 states have (on average 1.4284023668639054) internal successors, (1207), 858 states have internal predecessors, (1207), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2025-01-10 06:12:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1231 transitions. [2025-01-10 06:12:05,752 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1231 transitions. Word has length 107 [2025-01-10 06:12:05,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:05,753 INFO L471 AbstractCegarLoop]: Abstraction has 867 states and 1231 transitions. [2025-01-10 06:12:05,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 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) [2025-01-10 06:12:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1231 transitions. [2025-01-10 06:12:05,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-10 06:12:05,754 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:05,754 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:05,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-10 06:12:05,754 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:05,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:05,754 INFO L85 PathProgramCache]: Analyzing trace with hash 792286659, now seen corresponding path program 1 times [2025-01-10 06:12:05,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:05,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934811018] [2025-01-10 06:12:05,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:05,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:05,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-10 06:12:05,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-10 06:12:05,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:05,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-10 06:12:06,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:06,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934811018] [2025-01-10 06:12:06,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934811018] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:06,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:12:06,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 06:12:06,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748428905] [2025-01-10 06:12:06,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:06,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:12:06,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:06,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:12:06,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:12:06,007 INFO L87 Difference]: Start difference. First operand 867 states and 1231 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 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) [2025-01-10 06:12:06,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:06,382 INFO L93 Difference]: Finished difference Result 1610 states and 2294 transitions. [2025-01-10 06:12:06,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:12:06,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 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 107 [2025-01-10 06:12:06,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:06,386 INFO L225 Difference]: With dead ends: 1610 [2025-01-10 06:12:06,386 INFO L226 Difference]: Without dead ends: 873 [2025-01-10 06:12:06,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:12:06,388 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 9 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2378 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:06,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2378 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 06:12:06,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2025-01-10 06:12:06,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 873. [2025-01-10 06:12:06,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 851 states have (on average 1.4253819036427733) internal successors, (1213), 864 states have internal predecessors, (1213), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2025-01-10 06:12:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1237 transitions. [2025-01-10 06:12:06,407 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1237 transitions. Word has length 107 [2025-01-10 06:12:06,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:06,407 INFO L471 AbstractCegarLoop]: Abstraction has 873 states and 1237 transitions. [2025-01-10 06:12:06,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 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) [2025-01-10 06:12:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1237 transitions. [2025-01-10 06:12:06,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-10 06:12:06,409 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:06,409 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:06,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 06:12:06,409 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:06,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:06,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1608492815, now seen corresponding path program 1 times [2025-01-10 06:12:06,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:06,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974437374] [2025-01-10 06:12:06,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:06,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:06,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-10 06:12:06,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 06:12:06,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:06,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:06,818 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 06:12:06,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:06,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974437374] [2025-01-10 06:12:06,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974437374] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:06,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089833496] [2025-01-10 06:12:06,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:06,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:06,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:06,822 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) [2025-01-10 06:12:06,823 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 [2025-01-10 06:12:07,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-10 06:12:07,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 06:12:07,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:07,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:07,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 06:12:07,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:07,173 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-10 06:12:07,175 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:12:07,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089833496] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:07,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:12:07,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-01-10 06:12:07,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201102556] [2025-01-10 06:12:07,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:07,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:12:07,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:07,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:12:07,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:12:07,177 INFO L87 Difference]: Start difference. First operand 873 states and 1237 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) [2025-01-10 06:12:07,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:07,596 INFO L93 Difference]: Finished difference Result 1640 states and 2333 transitions. [2025-01-10 06:12:07,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 06:12:07,597 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 108 [2025-01-10 06:12:07,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:07,601 INFO L225 Difference]: With dead ends: 1640 [2025-01-10 06:12:07,602 INFO L226 Difference]: Without dead ends: 893 [2025-01-10 06:12:07,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-01-10 06:12:07,604 INFO L435 NwaCegarLoop]: 576 mSDtfsCounter, 42 mSDsluCounter, 2348 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 2924 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:07,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 2924 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 06:12:07,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2025-01-10 06:12:07,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 869. [2025-01-10 06:12:07,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 847 states have (on average 1.423848878394333) internal successors, (1206), 860 states have internal predecessors, (1206), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2025-01-10 06:12:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1230 transitions. [2025-01-10 06:12:07,623 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1230 transitions. Word has length 108 [2025-01-10 06:12:07,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:07,623 INFO L471 AbstractCegarLoop]: Abstraction has 869 states and 1230 transitions. [2025-01-10 06:12:07,623 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) [2025-01-10 06:12:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1230 transitions. [2025-01-10 06:12:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-10 06:12:07,627 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:07,627 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:07,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 06:12:07,827 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,SelfDestructingSolverStorable12 [2025-01-10 06:12:07,827 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:07,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:07,828 INFO L85 PathProgramCache]: Analyzing trace with hash -2031494330, now seen corresponding path program 1 times [2025-01-10 06:12:07,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:07,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166869547] [2025-01-10 06:12:07,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:07,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:07,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-10 06:12:07,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 06:12:07,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:07,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 06:12:08,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:08,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166869547] [2025-01-10 06:12:08,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166869547] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:08,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950122455] [2025-01-10 06:12:08,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:08,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:08,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:08,118 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) [2025-01-10 06:12:08,120 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 [2025-01-10 06:12:08,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-10 06:12:08,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 06:12:08,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:08,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:08,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 06:12:08,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:08,443 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 06:12:08,445 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:12:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 06:12:08,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950122455] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:12:08,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:12:08,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-01-10 06:12:08,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154372076] [2025-01-10 06:12:08,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:12:08,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 06:12:08,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:08,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 06:12:08,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-01-10 06:12:08,499 INFO L87 Difference]: Start difference. First operand 869 states and 1230 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:12:08,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:08,585 INFO L93 Difference]: Finished difference Result 1566 states and 2228 transitions. [2025-01-10 06:12:08,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 06:12:08,585 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 108 [2025-01-10 06:12:08,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:08,589 INFO L225 Difference]: With dead ends: 1566 [2025-01-10 06:12:08,590 INFO L226 Difference]: Without dead ends: 880 [2025-01-10 06:12:08,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2025-01-10 06:12:08,591 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 5 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1773 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:08,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1773 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:12:08,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2025-01-10 06:12:08,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 878. [2025-01-10 06:12:08,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 855 states have (on average 1.4269005847953216) internal successors, (1220), 868 states have internal predecessors, (1220), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2025-01-10 06:12:08,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1244 transitions. [2025-01-10 06:12:08,610 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1244 transitions. Word has length 108 [2025-01-10 06:12:08,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:08,610 INFO L471 AbstractCegarLoop]: Abstraction has 878 states and 1244 transitions. [2025-01-10 06:12:08,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 06:12:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1244 transitions. [2025-01-10 06:12:08,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-10 06:12:08,611 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:08,612 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:08,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 06:12:08,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:08,814 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:08,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:08,814 INFO L85 PathProgramCache]: Analyzing trace with hash 447316004, now seen corresponding path program 2 times [2025-01-10 06:12:08,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:08,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978731779] [2025-01-10 06:12:08,815 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:12:08,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:08,848 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-01-10 06:12:08,965 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-01-10 06:12:08,965 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:12:08,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:09,188 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:12:09,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:09,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978731779] [2025-01-10 06:12:09,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978731779] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:09,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224662276] [2025-01-10 06:12:09,188 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:12:09,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:09,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:09,192 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:12:09,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 06:12:09,412 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-01-10 06:12:09,421 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 112 statements. [2025-01-10 06:12:09,421 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:12:09,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:09,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 06:12:09,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:09,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-01-10 06:12:09,439 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 06:12:09,439 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:12:09,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224662276] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:09,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:12:09,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2025-01-10 06:12:09,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619044642] [2025-01-10 06:12:09,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:09,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:12:09,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:09,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:12:09,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 06:12:09,441 INFO L87 Difference]: Start difference. First operand 878 states and 1244 transitions. Second operand has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 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) [2025-01-10 06:12:09,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:09,456 INFO L93 Difference]: Finished difference Result 878 states and 1244 transitions. [2025-01-10 06:12:09,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:12:09,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 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 112 [2025-01-10 06:12:09,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:09,459 INFO L225 Difference]: With dead ends: 878 [2025-01-10 06:12:09,460 INFO L226 Difference]: Without dead ends: 877 [2025-01-10 06:12:09,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 06:12:09,462 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 1 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:09,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1178 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:12:09,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2025-01-10 06:12:09,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 877. [2025-01-10 06:12:09,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 855 states have (on average 1.4257309941520468) internal successors, (1219), 867 states have internal predecessors, (1219), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2025-01-10 06:12:09,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1243 transitions. [2025-01-10 06:12:09,480 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1243 transitions. Word has length 112 [2025-01-10 06:12:09,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:09,480 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1243 transitions. [2025-01-10 06:12:09,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 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) [2025-01-10 06:12:09,480 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1243 transitions. [2025-01-10 06:12:09,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-01-10 06:12:09,481 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:09,481 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:09,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 06:12:09,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-10 06:12:09,685 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:09,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:09,685 INFO L85 PathProgramCache]: Analyzing trace with hash 981894321, now seen corresponding path program 1 times [2025-01-10 06:12:09,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:09,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580973492] [2025-01-10 06:12:09,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:09,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:09,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-10 06:12:09,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-10 06:12:09,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:09,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:10,050 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:12:10,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:10,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580973492] [2025-01-10 06:12:10,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580973492] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:10,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600576287] [2025-01-10 06:12:10,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:10,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:10,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:10,054 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:12:10,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 06:12:10,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-10 06:12:10,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-10 06:12:10,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:10,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:10,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 06:12:10,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-01-10 06:12:23,891 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:12:23,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600576287] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:23,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:12:23,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2025-01-10 06:12:23,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801346094] [2025-01-10 06:12:23,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:23,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:12:23,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:23,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:12:23,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=124, Unknown=1, NotChecked=0, Total=156 [2025-01-10 06:12:23,893 INFO L87 Difference]: Start difference. First operand 877 states and 1243 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 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) [2025-01-10 06:12:28,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-10 06:12:31,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-10 06:12:31,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:31,875 INFO L93 Difference]: Finished difference Result 1621 states and 2306 transitions. [2025-01-10 06:12:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 06:12:31,876 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 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 113 [2025-01-10 06:12:31,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:31,878 INFO L225 Difference]: With dead ends: 1621 [2025-01-10 06:12:31,878 INFO L226 Difference]: Without dead ends: 887 [2025-01-10 06:12:31,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=31, Invalid=124, Unknown=1, NotChecked=0, Total=156 [2025-01-10 06:12:31,880 INFO L435 NwaCegarLoop]: 579 mSDtfsCounter, 12 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2823 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:31,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2823 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 770 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2025-01-10 06:12:31,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2025-01-10 06:12:31,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 877. [2025-01-10 06:12:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 855 states have (on average 1.4257309941520468) internal successors, (1219), 867 states have internal predecessors, (1219), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2025-01-10 06:12:31,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1243 transitions. [2025-01-10 06:12:31,899 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1243 transitions. Word has length 113 [2025-01-10 06:12:31,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:31,900 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1243 transitions. [2025-01-10 06:12:31,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 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) [2025-01-10 06:12:31,900 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1243 transitions. [2025-01-10 06:12:31,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-10 06:12:31,901 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:31,901 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:31,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-10 06:12:32,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:32,106 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:32,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:32,106 INFO L85 PathProgramCache]: Analyzing trace with hash -322281663, now seen corresponding path program 1 times [2025-01-10 06:12:32,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:32,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261918533] [2025-01-10 06:12:32,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:32,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:32,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-10 06:12:32,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-10 06:12:32,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:32,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:32,443 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-01-10 06:12:32,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:32,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261918533] [2025-01-10 06:12:32,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261918533] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:32,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:12:32,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 06:12:32,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26597745] [2025-01-10 06:12:32,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:32,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 06:12:32,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:32,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 06:12:32,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:12:32,445 INFO L87 Difference]: Start difference. First operand 877 states and 1243 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2025-01-10 06:12:33,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:33,075 INFO L93 Difference]: Finished difference Result 1643 states and 2335 transitions. [2025-01-10 06:12:33,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 06:12:33,079 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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 115 [2025-01-10 06:12:33,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:33,081 INFO L225 Difference]: With dead ends: 1643 [2025-01-10 06:12:33,081 INFO L226 Difference]: Without dead ends: 909 [2025-01-10 06:12:33,082 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 [2025-01-10 06:12:33,083 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 26 mSDsluCounter, 3201 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3781 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:33,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3781 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 06:12:33,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2025-01-10 06:12:33,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 897. [2025-01-10 06:12:33,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 875 states have (on average 1.4205714285714286) internal successors, (1243), 887 states have internal predecessors, (1243), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2025-01-10 06:12:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1267 transitions. [2025-01-10 06:12:33,097 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1267 transitions. Word has length 115 [2025-01-10 06:12:33,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:33,097 INFO L471 AbstractCegarLoop]: Abstraction has 897 states and 1267 transitions. [2025-01-10 06:12:33,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2025-01-10 06:12:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1267 transitions. [2025-01-10 06:12:33,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-10 06:12:33,098 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:33,098 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:33,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 06:12:33,099 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:33,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:33,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1779173140, now seen corresponding path program 1 times [2025-01-10 06:12:33,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:33,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652081253] [2025-01-10 06:12:33,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:33,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:33,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-10 06:12:33,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-10 06:12:33,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:33,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:33,379 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 06:12:33,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:33,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652081253] [2025-01-10 06:12:33,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652081253] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:33,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109085924] [2025-01-10 06:12:33,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:33,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:33,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:33,381 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:12:33,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 06:12:33,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-10 06:12:33,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-10 06:12:33,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:33,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:33,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-10 06:12:33,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:33,951 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-10 06:12:33,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:12:34,077 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-10 06:12:34,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109085924] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:12:34,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:12:34,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 19 [2025-01-10 06:12:34,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961688921] [2025-01-10 06:12:34,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:12:34,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 06:12:34,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:34,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 06:12:34,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2025-01-10 06:12:34,079 INFO L87 Difference]: Start difference. First operand 897 states and 1267 transitions. Second operand has 19 states, 19 states have (on average 6.684210526315789) internal successors, (127), 19 states have internal predecessors, (127), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 06:12:34,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:34,379 INFO L93 Difference]: Finished difference Result 1576 states and 2240 transitions. [2025-01-10 06:12:34,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 06:12:34,380 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.684210526315789) internal successors, (127), 19 states have internal predecessors, (127), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 115 [2025-01-10 06:12:34,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:34,382 INFO L225 Difference]: With dead ends: 1576 [2025-01-10 06:12:34,382 INFO L226 Difference]: Without dead ends: 742 [2025-01-10 06:12:34,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2025-01-10 06:12:34,383 INFO L435 NwaCegarLoop]: 503 mSDtfsCounter, 30 mSDsluCounter, 3998 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 4501 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:34,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 4501 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 06:12:34,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2025-01-10 06:12:34,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 736. [2025-01-10 06:12:34,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 714 states have (on average 1.4061624649859943) internal successors, (1004), 726 states have internal predecessors, (1004), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2025-01-10 06:12:34,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1028 transitions. [2025-01-10 06:12:34,397 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1028 transitions. Word has length 115 [2025-01-10 06:12:34,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:34,397 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 1028 transitions. [2025-01-10 06:12:34,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.684210526315789) internal successors, (127), 19 states have internal predecessors, (127), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 06:12:34,397 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1028 transitions. [2025-01-10 06:12:34,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-10 06:12:34,398 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:34,398 INFO L218 NwaCegarLoop]: trace histogram [13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:34,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-10 06:12:34,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 06:12:34,599 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:34,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:34,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1827513, now seen corresponding path program 2 times [2025-01-10 06:12:34,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:34,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914281029] [2025-01-10 06:12:34,599 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:12:34,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:34,630 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 122 statements into 2 equivalence classes. [2025-01-10 06:12:34,702 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 122 of 122 statements. [2025-01-10 06:12:34,702 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:12:34,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:34,965 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 71 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-01-10 06:12:34,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:34,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914281029] [2025-01-10 06:12:34,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914281029] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:34,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23393687] [2025-01-10 06:12:34,966 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:12:34,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:34,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:34,968 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:12:34,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 06:12:35,239 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 122 statements into 2 equivalence classes. [2025-01-10 06:12:35,312 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 122 of 122 statements. [2025-01-10 06:12:35,312 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:12:35,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:35,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 06:12:35,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:35,322 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 [2025-01-10 06:12:35,530 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 23 treesize of output 3 [2025-01-10 06:12:35,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2025-01-10 06:12:35,616 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-01-10 06:12:35,616 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:12:36,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23393687] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:36,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 06:12:36,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2025-01-10 06:12:36,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789725124] [2025-01-10 06:12:36,083 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 06:12:36,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 06:12:36,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:36,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 06:12:36,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2025-01-10 06:12:36,084 INFO L87 Difference]: Start difference. First operand 736 states and 1028 transitions. Second operand has 16 states, 16 states have (on average 13.3125) internal successors, (213), 16 states have internal predecessors, (213), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 06:12:36,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:36,751 INFO L93 Difference]: Finished difference Result 1810 states and 2538 transitions. [2025-01-10 06:12:36,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-10 06:12:36,752 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 13.3125) internal successors, (213), 16 states have internal predecessors, (213), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 122 [2025-01-10 06:12:36,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:36,757 INFO L225 Difference]: With dead ends: 1810 [2025-01-10 06:12:36,758 INFO L226 Difference]: Without dead ends: 1179 [2025-01-10 06:12:36,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 138 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2025-01-10 06:12:36,759 INFO L435 NwaCegarLoop]: 675 mSDtfsCounter, 985 mSDsluCounter, 7642 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 8317 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:36,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 8317 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 06:12:36,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2025-01-10 06:12:36,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 768. [2025-01-10 06:12:36,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 743 states have (on average 1.407806191117093) internal successors, (1046), 756 states have internal predecessors, (1046), 11 states have call successors, (11), 5 states have call predecessors, (11), 7 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2025-01-10 06:12:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1070 transitions. [2025-01-10 06:12:36,780 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1070 transitions. Word has length 122 [2025-01-10 06:12:36,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:36,780 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 1070 transitions. [2025-01-10 06:12:36,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 13.3125) internal successors, (213), 16 states have internal predecessors, (213), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 06:12:36,781 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1070 transitions. [2025-01-10 06:12:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-01-10 06:12:36,781 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:36,781 INFO L218 NwaCegarLoop]: trace histogram [14, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:36,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 06:12:36,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:36,982 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:36,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:36,983 INFO L85 PathProgramCache]: Analyzing trace with hash -204679289, now seen corresponding path program 1 times [2025-01-10 06:12:36,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:36,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238560277] [2025-01-10 06:12:36,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:36,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:37,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-01-10 06:12:37,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-01-10 06:12:37,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:37,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:37,195 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2025-01-10 06:12:37,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:37,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238560277] [2025-01-10 06:12:37,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238560277] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:37,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:12:37,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:12:37,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633233758] [2025-01-10 06:12:37,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:37,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:12:37,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:37,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:12:37,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:12:37,197 INFO L87 Difference]: Start difference. First operand 768 states and 1070 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2025-01-10 06:12:37,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:37,271 INFO L93 Difference]: Finished difference Result 1009 states and 1418 transitions. [2025-01-10 06:12:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:12:37,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 124 [2025-01-10 06:12:37,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:37,274 INFO L225 Difference]: With dead ends: 1009 [2025-01-10 06:12:37,274 INFO L226 Difference]: Without dead ends: 987 [2025-01-10 06:12:37,275 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 [2025-01-10 06:12:37,275 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 461 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:37,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 1565 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:12:37,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2025-01-10 06:12:37,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 770. [2025-01-10 06:12:37,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 745 states have (on average 1.4067114093959732) internal successors, (1048), 758 states have internal predecessors, (1048), 11 states have call successors, (11), 5 states have call predecessors, (11), 7 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2025-01-10 06:12:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1072 transitions. [2025-01-10 06:12:37,295 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1072 transitions. Word has length 124 [2025-01-10 06:12:37,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:37,295 INFO L471 AbstractCegarLoop]: Abstraction has 770 states and 1072 transitions. [2025-01-10 06:12:37,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2025-01-10 06:12:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1072 transitions. [2025-01-10 06:12:37,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-01-10 06:12:37,297 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:37,297 INFO L218 NwaCegarLoop]: trace histogram [14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:37,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-01-10 06:12:37,297 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:37,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:37,298 INFO L85 PathProgramCache]: Analyzing trace with hash 25267026, now seen corresponding path program 1 times [2025-01-10 06:12:37,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:37,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198271954] [2025-01-10 06:12:37,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:37,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:37,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-10 06:12:37,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-10 06:12:37,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:37,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:37,471 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-10 06:12:37,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:37,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198271954] [2025-01-10 06:12:37,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198271954] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:37,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:12:37,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 06:12:37,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169347056] [2025-01-10 06:12:37,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:37,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:12:37,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:37,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:12:37,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:12:37,472 INFO L87 Difference]: Start difference. First operand 770 states and 1072 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 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) [2025-01-10 06:12:37,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:37,842 INFO L93 Difference]: Finished difference Result 1712 states and 2430 transitions. [2025-01-10 06:12:37,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:12:37,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 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 184 [2025-01-10 06:12:37,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:37,846 INFO L225 Difference]: With dead ends: 1712 [2025-01-10 06:12:37,846 INFO L226 Difference]: Without dead ends: 1143 [2025-01-10 06:12:37,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:12:37,847 INFO L435 NwaCegarLoop]: 641 mSDtfsCounter, 1184 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 1930 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:37,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1190 Valid, 1930 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 06:12:37,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2025-01-10 06:12:37,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 926. [2025-01-10 06:12:37,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 905 states have (on average 1.419889502762431) internal successors, (1285), 917 states have internal predecessors, (1285), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2025-01-10 06:12:37,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1304 transitions. [2025-01-10 06:12:37,866 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1304 transitions. Word has length 184 [2025-01-10 06:12:37,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:37,867 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1304 transitions. [2025-01-10 06:12:37,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 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) [2025-01-10 06:12:37,867 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1304 transitions. [2025-01-10 06:12:37,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-01-10 06:12:37,868 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:37,869 INFO L218 NwaCegarLoop]: trace histogram [14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:37,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-01-10 06:12:37,870 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:37,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:37,870 INFO L85 PathProgramCache]: Analyzing trace with hash 895877123, now seen corresponding path program 1 times [2025-01-10 06:12:37,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:37,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016695524] [2025-01-10 06:12:37,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:37,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:37,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-10 06:12:37,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-10 06:12:37,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:37,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-10 06:12:38,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:38,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016695524] [2025-01-10 06:12:38,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016695524] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:38,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663032028] [2025-01-10 06:12:38,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:38,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:38,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:38,394 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:12:38,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 06:12:38,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-10 06:12:38,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-10 06:12:38,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:38,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:38,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:12:38,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2025-01-10 06:12:38,910 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:12:38,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663032028] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:38,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:12:38,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2025-01-10 06:12:38,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617451009] [2025-01-10 06:12:38,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:38,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:12:38,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:38,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:12:38,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:12:38,912 INFO L87 Difference]: Start difference. First operand 926 states and 1304 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2025-01-10 06:12:38,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:38,977 INFO L93 Difference]: Finished difference Result 1537 states and 2206 transitions. [2025-01-10 06:12:38,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:12:38,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 194 [2025-01-10 06:12:38,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:38,980 INFO L225 Difference]: With dead ends: 1537 [2025-01-10 06:12:38,980 INFO L226 Difference]: Without dead ends: 986 [2025-01-10 06:12:38,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:12:38,983 INFO L435 NwaCegarLoop]: 496 mSDtfsCounter, 8 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:38,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 977 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:12:38,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2025-01-10 06:12:39,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 986. [2025-01-10 06:12:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 965 states have (on average 1.3937823834196892) internal successors, (1345), 977 states have internal predecessors, (1345), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2025-01-10 06:12:39,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1364 transitions. [2025-01-10 06:12:39,003 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1364 transitions. Word has length 194 [2025-01-10 06:12:39,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:39,003 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1364 transitions. [2025-01-10 06:12:39,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2025-01-10 06:12:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1364 transitions. [2025-01-10 06:12:39,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-01-10 06:12:39,005 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:39,005 INFO L218 NwaCegarLoop]: trace histogram [14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:39,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-10 06:12:39,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:39,206 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:39,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:39,206 INFO L85 PathProgramCache]: Analyzing trace with hash -365040127, now seen corresponding path program 1 times [2025-01-10 06:12:39,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:39,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929128556] [2025-01-10 06:12:39,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:39,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:39,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-10 06:12:39,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-10 06:12:39,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:39,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2025-01-10 06:12:39,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:39,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929128556] [2025-01-10 06:12:39,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929128556] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:39,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:12:39,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:12:39,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006168756] [2025-01-10 06:12:39,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:39,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:12:39,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:39,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:12:39,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:12:39,364 INFO L87 Difference]: Start difference. First operand 986 states and 1364 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2025-01-10 06:12:39,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:39,393 INFO L93 Difference]: Finished difference Result 1588 states and 2219 transitions. [2025-01-10 06:12:39,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:12:39,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 194 [2025-01-10 06:12:39,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:39,395 INFO L225 Difference]: With dead ends: 1588 [2025-01-10 06:12:39,395 INFO L226 Difference]: Without dead ends: 813 [2025-01-10 06:12:39,396 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 [2025-01-10 06:12:39,396 INFO L435 NwaCegarLoop]: 515 mSDtfsCounter, 13 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:39,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1004 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:12:39,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2025-01-10 06:12:39,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 611. [2025-01-10 06:12:39,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 590 states have (on average 1.3593220338983052) internal successors, (802), 602 states have internal predecessors, (802), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2025-01-10 06:12:39,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 821 transitions. [2025-01-10 06:12:39,413 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 821 transitions. Word has length 194 [2025-01-10 06:12:39,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:39,413 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 821 transitions. [2025-01-10 06:12:39,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2025-01-10 06:12:39,413 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 821 transitions. [2025-01-10 06:12:39,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-01-10 06:12:39,415 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:39,415 INFO L218 NwaCegarLoop]: trace histogram [14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:39,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-01-10 06:12:39,415 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:39,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:39,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1578797701, now seen corresponding path program 1 times [2025-01-10 06:12:39,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:39,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58152363] [2025-01-10 06:12:39,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:39,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:39,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-01-10 06:12:39,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-01-10 06:12:39,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:39,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:40,161 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-10 06:12:40,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:40,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58152363] [2025-01-10 06:12:40,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58152363] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:40,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343231112] [2025-01-10 06:12:40,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:40,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:40,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:40,164 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:12:40,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 06:12:40,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-01-10 06:12:40,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-01-10 06:12:40,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:40,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:40,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 06:12:40,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:40,652 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 15 treesize of output 1 [2025-01-10 06:12:40,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2025-01-10 06:12:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-10 06:12:40,783 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:12:40,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343231112] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:40,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:12:40,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-10 06:12:40,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367745717] [2025-01-10 06:12:40,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:40,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:12:40,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:40,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:12:40,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 06:12:40,786 INFO L87 Difference]: Start difference. First operand 611 states and 821 transitions. Second operand has 5 states, 4 states have (on average 44.25) internal successors, (177), 5 states have internal predecessors, (177), 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) [2025-01-10 06:12:40,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:40,864 INFO L93 Difference]: Finished difference Result 821 states and 1114 transitions. [2025-01-10 06:12:40,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:12:40,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 44.25) internal successors, (177), 5 states have internal predecessors, (177), 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 197 [2025-01-10 06:12:40,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:40,867 INFO L225 Difference]: With dead ends: 821 [2025-01-10 06:12:40,867 INFO L226 Difference]: Without dead ends: 820 [2025-01-10 06:12:40,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-01-10 06:12:40,868 INFO L435 NwaCegarLoop]: 488 mSDtfsCounter, 386 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:40,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1263 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:12:40,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2025-01-10 06:12:40,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 610. [2025-01-10 06:12:40,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 590 states have (on average 1.3576271186440678) internal successors, (801), 601 states have internal predecessors, (801), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2025-01-10 06:12:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 820 transitions. [2025-01-10 06:12:40,883 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 820 transitions. Word has length 197 [2025-01-10 06:12:40,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:40,884 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 820 transitions. [2025-01-10 06:12:40,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 44.25) internal successors, (177), 5 states have internal predecessors, (177), 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) [2025-01-10 06:12:40,884 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 820 transitions. [2025-01-10 06:12:40,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2025-01-10 06:12:40,885 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:40,885 INFO L218 NwaCegarLoop]: trace histogram [14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:40,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 06:12:41,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:41,086 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:41,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:41,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1698089292, now seen corresponding path program 1 times [2025-01-10 06:12:41,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:41,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891919359] [2025-01-10 06:12:41,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:41,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:41,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 198 statements into 1 equivalence classes. [2025-01-10 06:12:41,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 198 of 198 statements. [2025-01-10 06:12:41,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:41,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-10 06:12:41,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:41,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891919359] [2025-01-10 06:12:41,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891919359] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:41,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:12:41,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:12:41,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320153868] [2025-01-10 06:12:41,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:41,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:12:41,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:41,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:12:41,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:12:41,372 INFO L87 Difference]: Start difference. First operand 610 states and 820 transitions. Second operand has 5 states, 4 states have (on average 44.5) internal successors, (178), 5 states have internal predecessors, (178), 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) [2025-01-10 06:12:41,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:41,500 INFO L93 Difference]: Finished difference Result 820 states and 1113 transitions. [2025-01-10 06:12:41,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:12:41,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 44.5) internal successors, (178), 5 states have internal predecessors, (178), 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 198 [2025-01-10 06:12:41,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:41,503 INFO L225 Difference]: With dead ends: 820 [2025-01-10 06:12:41,503 INFO L226 Difference]: Without dead ends: 819 [2025-01-10 06:12:41,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:12:41,504 INFO L435 NwaCegarLoop]: 487 mSDtfsCounter, 384 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:41,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 1740 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:12:41,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2025-01-10 06:12:41,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 609. [2025-01-10 06:12:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 590 states have (on average 1.3559322033898304) internal successors, (800), 600 states have internal predecessors, (800), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2025-01-10 06:12:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 819 transitions. [2025-01-10 06:12:41,531 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 819 transitions. Word has length 198 [2025-01-10 06:12:41,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:41,531 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 819 transitions. [2025-01-10 06:12:41,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 44.5) internal successors, (178), 5 states have internal predecessors, (178), 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) [2025-01-10 06:12:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 819 transitions. [2025-01-10 06:12:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-01-10 06:12:41,534 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:41,534 INFO L218 NwaCegarLoop]: trace histogram [14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:41,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-01-10 06:12:41,534 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:41,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:41,535 INFO L85 PathProgramCache]: Analyzing trace with hash -786177272, now seen corresponding path program 1 times [2025-01-10 06:12:41,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:41,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593346244] [2025-01-10 06:12:41,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:41,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:41,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-01-10 06:12:41,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-01-10 06:12:41,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:41,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-10 06:12:41,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:41,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593346244] [2025-01-10 06:12:41,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593346244] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:41,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524346969] [2025-01-10 06:12:41,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:41,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:41,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:42,000 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:12:42,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 06:12:42,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-01-10 06:12:42,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-01-10 06:12:42,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:42,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:42,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 06:12:42,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2025-01-10 06:12:42,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:12:42,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524346969] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:42,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:12:42,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2025-01-10 06:12:42,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320906938] [2025-01-10 06:12:42,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:42,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:12:42,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:42,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:12:42,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:12:42,463 INFO L87 Difference]: Start difference. First operand 609 states and 819 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2025-01-10 06:12:42,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:42,482 INFO L93 Difference]: Finished difference Result 846 states and 1150 transitions. [2025-01-10 06:12:42,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:12:42,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 199 [2025-01-10 06:12:42,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:42,486 INFO L225 Difference]: With dead ends: 846 [2025-01-10 06:12:42,486 INFO L226 Difference]: Without dead ends: 610 [2025-01-10 06:12:42,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:12:42,489 INFO L435 NwaCegarLoop]: 509 mSDtfsCounter, 0 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:42,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1013 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:12:42,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2025-01-10 06:12:42,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 610. [2025-01-10 06:12:42,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 591 states have (on average 1.3553299492385786) internal successors, (801), 601 states have internal predecessors, (801), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2025-01-10 06:12:42,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 820 transitions. [2025-01-10 06:12:42,504 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 820 transitions. Word has length 199 [2025-01-10 06:12:42,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:42,505 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 820 transitions. [2025-01-10 06:12:42,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2025-01-10 06:12:42,505 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 820 transitions. [2025-01-10 06:12:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-01-10 06:12:42,506 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:42,506 INFO L218 NwaCegarLoop]: trace histogram [14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:42,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-10 06:12:42,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-01-10 06:12:42,707 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:42,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:42,708 INFO L85 PathProgramCache]: Analyzing trace with hash 802170630, now seen corresponding path program 1 times [2025-01-10 06:12:42,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:42,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386543401] [2025-01-10 06:12:42,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:42,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:42,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-01-10 06:12:42,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-01-10 06:12:42,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:42,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-10 06:12:43,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:43,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386543401] [2025-01-10 06:12:43,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386543401] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:43,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742691627] [2025-01-10 06:12:43,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:43,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:43,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:43,138 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:12:43,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 06:12:43,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-01-10 06:12:43,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-01-10 06:12:43,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:43,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:43,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:12:43,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:43,618 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2025-01-10 06:12:43,619 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:12:43,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742691627] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:43,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:12:43,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-01-10 06:12:43,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898685684] [2025-01-10 06:12:43,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:43,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:12:43,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:43,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:12:43,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-10 06:12:43,620 INFO L87 Difference]: Start difference. First operand 610 states and 820 transitions. Second operand has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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) [2025-01-10 06:12:43,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:43,676 INFO L93 Difference]: Finished difference Result 833 states and 1136 transitions. [2025-01-10 06:12:43,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:12:43,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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 199 [2025-01-10 06:12:43,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:43,678 INFO L225 Difference]: With dead ends: 833 [2025-01-10 06:12:43,678 INFO L226 Difference]: Without dead ends: 596 [2025-01-10 06:12:43,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 06:12:43,679 INFO L435 NwaCegarLoop]: 483 mSDtfsCounter, 105 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:43,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1356 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:12:43,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2025-01-10 06:12:43,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2025-01-10 06:12:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 577 states have (on average 1.3518197573656845) internal successors, (780), 587 states have internal predecessors, (780), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2025-01-10 06:12:43,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 799 transitions. [2025-01-10 06:12:43,692 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 799 transitions. Word has length 199 [2025-01-10 06:12:43,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:43,693 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 799 transitions. [2025-01-10 06:12:43,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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) [2025-01-10 06:12:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 799 transitions. [2025-01-10 06:12:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-01-10 06:12:43,694 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:43,694 INFO L218 NwaCegarLoop]: trace histogram [14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:43,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 06:12:43,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-01-10 06:12:43,895 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:43,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:43,896 INFO L85 PathProgramCache]: Analyzing trace with hash 226636856, now seen corresponding path program 1 times [2025-01-10 06:12:43,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:43,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013196082] [2025-01-10 06:12:43,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:43,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:43,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-01-10 06:12:43,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-01-10 06:12:43,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:43,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-10 06:12:44,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:44,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013196082] [2025-01-10 06:12:44,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013196082] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:44,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564301481] [2025-01-10 06:12:44,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:44,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:44,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:44,254 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:12:44,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 06:12:44,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-01-10 06:12:44,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-01-10 06:12:44,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:44,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:44,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 06:12:44,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:44,738 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 [2025-01-10 06:12:44,922 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 23 treesize of output 3 [2025-01-10 06:12:44,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-01-10 06:12:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-10 06:12:44,928 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:12:45,065 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-10 06:12:45,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564301481] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:12:45,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:12:45,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 12 [2025-01-10 06:12:45,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851776120] [2025-01-10 06:12:45,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:12:45,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 06:12:45,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:45,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 06:12:45,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-01-10 06:12:45,067 INFO L87 Difference]: Start difference. First operand 596 states and 799 transitions. Second operand has 12 states, 12 states have (on average 23.25) internal successors, (279), 12 states have internal predecessors, (279), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 06:12:45,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:45,250 INFO L93 Difference]: Finished difference Result 1335 states and 1803 transitions. [2025-01-10 06:12:45,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 06:12:45,251 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 23.25) internal successors, (279), 12 states have internal predecessors, (279), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 199 [2025-01-10 06:12:45,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:45,254 INFO L225 Difference]: With dead ends: 1335 [2025-01-10 06:12:45,254 INFO L226 Difference]: Without dead ends: 1109 [2025-01-10 06:12:45,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 389 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2025-01-10 06:12:45,255 INFO L435 NwaCegarLoop]: 528 mSDtfsCounter, 1525 mSDsluCounter, 3417 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 3945 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:45,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1528 Valid, 3945 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:12:45,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2025-01-10 06:12:45,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 752. [2025-01-10 06:12:45,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 732 states have (on average 1.3442622950819672) internal successors, (984), 742 states have internal predecessors, (984), 10 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (11), 6 states have call predecessors, (11), 10 states have call successors, (11) [2025-01-10 06:12:45,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1005 transitions. [2025-01-10 06:12:45,281 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1005 transitions. Word has length 199 [2025-01-10 06:12:45,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:45,282 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1005 transitions. [2025-01-10 06:12:45,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.25) internal successors, (279), 12 states have internal predecessors, (279), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 06:12:45,282 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1005 transitions. [2025-01-10 06:12:45,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-01-10 06:12:45,283 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:45,283 INFO L218 NwaCegarLoop]: trace histogram [14, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:45,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-10 06:12:45,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-01-10 06:12:45,484 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:45,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:45,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1762334143, now seen corresponding path program 1 times [2025-01-10 06:12:45,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:45,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177882606] [2025-01-10 06:12:45,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:45,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:45,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-01-10 06:12:45,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-01-10 06:12:45,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:45,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:46,183 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 67 proven. 86 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 06:12:46,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:46,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177882606] [2025-01-10 06:12:46,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177882606] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:46,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795982300] [2025-01-10 06:12:46,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:46,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:46,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:46,186 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:12:46,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 06:12:46,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-01-10 06:12:46,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-01-10 06:12:46,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:46,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:46,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-01-10 06:12:46,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:46,816 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 [2025-01-10 06:12:46,995 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 19 treesize of output 11 [2025-01-10 06:12:47,010 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 [2025-01-10 06:12:47,026 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 [2025-01-10 06:12:47,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-10 06:12:47,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 106 treesize of output 66 [2025-01-10 06:12:47,472 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 59 proven. 35 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-10 06:12:47,472 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:12:48,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-10 06:12:48,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 26 [2025-01-10 06:12:49,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795982300] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:49,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 06:12:49,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2025-01-10 06:12:49,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487139076] [2025-01-10 06:12:49,232 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 06:12:49,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-10 06:12:49,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:49,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-10 06:12:49,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=936, Unknown=0, NotChecked=0, Total=1056 [2025-01-10 06:12:49,233 INFO L87 Difference]: Start difference. First operand 752 states and 1005 transitions. Second operand has 22 states, 22 states have (on average 13.545454545454545) internal successors, (298), 22 states have internal predecessors, (298), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 06:12:52,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:52,225 INFO L93 Difference]: Finished difference Result 1613 states and 2169 transitions. [2025-01-10 06:12:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-10 06:12:52,226 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 13.545454545454545) internal successors, (298), 22 states have internal predecessors, (298), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 205 [2025-01-10 06:12:52,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:52,228 INFO L225 Difference]: With dead ends: 1613 [2025-01-10 06:12:52,228 INFO L226 Difference]: Without dead ends: 978 [2025-01-10 06:12:52,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 299 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=310, Invalid=2240, Unknown=0, NotChecked=0, Total=2550 [2025-01-10 06:12:52,230 INFO L435 NwaCegarLoop]: 667 mSDtfsCounter, 729 mSDsluCounter, 10192 mSDsCounter, 0 mSdLazyCounter, 2486 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 10859 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:52,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 10859 Invalid, 2516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2486 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-01-10 06:12:52,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2025-01-10 06:12:52,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 760. [2025-01-10 06:12:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 740 states have (on average 1.3432432432432433) internal successors, (994), 750 states have internal predecessors, (994), 10 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (11), 6 states have call predecessors, (11), 10 states have call successors, (11) [2025-01-10 06:12:52,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1015 transitions. [2025-01-10 06:12:52,248 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1015 transitions. Word has length 205 [2025-01-10 06:12:52,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:52,248 INFO L471 AbstractCegarLoop]: Abstraction has 760 states and 1015 transitions. [2025-01-10 06:12:52,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 13.545454545454545) internal successors, (298), 22 states have internal predecessors, (298), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 06:12:52,248 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1015 transitions. [2025-01-10 06:12:52,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2025-01-10 06:12:52,249 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:52,249 INFO L218 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:52,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-10 06:12:52,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-10 06:12:52,450 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:52,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:52,450 INFO L85 PathProgramCache]: Analyzing trace with hash -985937032, now seen corresponding path program 1 times [2025-01-10 06:12:52,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:52,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227635361] [2025-01-10 06:12:52,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:52,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:52,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-01-10 06:12:52,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-01-10 06:12:52,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:52,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-01-10 06:12:52,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:52,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227635361] [2025-01-10 06:12:52,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227635361] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:52,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:12:52,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:12:52,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493383318] [2025-01-10 06:12:52,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:52,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:12:52,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:52,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:12:52,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:12:52,627 INFO L87 Difference]: Start difference. First operand 760 states and 1015 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2025-01-10 06:12:52,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:52,667 INFO L93 Difference]: Finished difference Result 1506 states and 2022 transitions. [2025-01-10 06:12:52,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:12:52,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 206 [2025-01-10 06:12:52,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:52,673 INFO L225 Difference]: With dead ends: 1506 [2025-01-10 06:12:52,673 INFO L226 Difference]: Without dead ends: 776 [2025-01-10 06:12:52,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:12:52,675 INFO L435 NwaCegarLoop]: 497 mSDtfsCounter, 1 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:52,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 972 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:12:52,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2025-01-10 06:12:52,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 776. [2025-01-10 06:12:52,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 756 states have (on average 1.3333333333333333) internal successors, (1008), 766 states have internal predecessors, (1008), 10 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (11), 6 states have call predecessors, (11), 10 states have call successors, (11) [2025-01-10 06:12:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1029 transitions. [2025-01-10 06:12:52,694 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1029 transitions. Word has length 206 [2025-01-10 06:12:52,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:52,694 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1029 transitions. [2025-01-10 06:12:52,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2025-01-10 06:12:52,694 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1029 transitions. [2025-01-10 06:12:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2025-01-10 06:12:52,695 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:52,695 INFO L218 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:52,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-01-10 06:12:52,695 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:52,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:52,696 INFO L85 PathProgramCache]: Analyzing trace with hash -794786762, now seen corresponding path program 1 times [2025-01-10 06:12:52,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:52,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093796781] [2025-01-10 06:12:52,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:52,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:52,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-01-10 06:12:52,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-01-10 06:12:52,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:52,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2025-01-10 06:12:52,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:52,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093796781] [2025-01-10 06:12:52,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093796781] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:12:52,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:12:52,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:12:52,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209293421] [2025-01-10 06:12:52,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:12:52,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:12:52,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:12:52,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:12:52,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:12:52,853 INFO L87 Difference]: Start difference. First operand 776 states and 1029 transitions. Second operand has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 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) [2025-01-10 06:12:52,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:12:52,897 INFO L93 Difference]: Finished difference Result 1499 states and 1994 transitions. [2025-01-10 06:12:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:12:52,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 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 206 [2025-01-10 06:12:52,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:12:52,900 INFO L225 Difference]: With dead ends: 1499 [2025-01-10 06:12:52,900 INFO L226 Difference]: Without dead ends: 753 [2025-01-10 06:12:52,901 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 [2025-01-10 06:12:52,901 INFO L435 NwaCegarLoop]: 484 mSDtfsCounter, 9 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1433 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:12:52,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1433 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:12:52,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2025-01-10 06:12:52,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 753. [2025-01-10 06:12:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 733 states have (on average 1.3260572987721693) internal successors, (972), 743 states have internal predecessors, (972), 10 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (11), 6 states have call predecessors, (11), 10 states have call successors, (11) [2025-01-10 06:12:52,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 993 transitions. [2025-01-10 06:12:52,922 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 993 transitions. Word has length 206 [2025-01-10 06:12:52,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:12:52,923 INFO L471 AbstractCegarLoop]: Abstraction has 753 states and 993 transitions. [2025-01-10 06:12:52,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 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) [2025-01-10 06:12:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 993 transitions. [2025-01-10 06:12:52,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-01-10 06:12:52,925 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:12:52,925 INFO L218 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:12:52,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-01-10 06:12:52,925 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 06:12:52,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:12:52,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1343511898, now seen corresponding path program 1 times [2025-01-10 06:12:52,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:12:52,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537242216] [2025-01-10 06:12:52,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:52,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:12:52,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-01-10 06:12:53,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-01-10 06:12:53,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:53,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 70 proven. 102 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 06:12:53,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:12:53,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537242216] [2025-01-10 06:12:53,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537242216] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:12:53,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892424781] [2025-01-10 06:12:53,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:12:53,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:12:53,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:12:53,763 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:12:53,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-10 06:12:54,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-01-10 06:12:54,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-01-10 06:12:54,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:12:54,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:12:54,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 1233 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-01-10 06:12:54,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:12:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 145 proven. 28 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-10 06:12:55,089 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:13:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 70 proven. 97 refuted. 5 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 06:13:15,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892424781] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:13:15,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:13:15,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2025-01-10 06:13:15,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352678658] [2025-01-10 06:13:15,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:13:15,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-10 06:13:15,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:13:15,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-10 06:13:15,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=536, Unknown=5, NotChecked=0, Total=756 [2025-01-10 06:13:15,424 INFO L87 Difference]: Start difference. First operand 753 states and 993 transitions. Second operand has 28 states, 28 states have (on average 6.964285714285714) internal successors, (195), 28 states have internal predecessors, (195), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 06:13:16,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:13:16,872 INFO L93 Difference]: Finished difference Result 1412 states and 1876 transitions. [2025-01-10 06:13:16,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-10 06:13:16,874 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.964285714285714) internal successors, (195), 28 states have internal predecessors, (195), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 209 [2025-01-10 06:13:16,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:13:16,881 INFO L225 Difference]: With dead ends: 1412 [2025-01-10 06:13:16,881 INFO L226 Difference]: Without dead ends: 771 [2025-01-10 06:13:16,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 21.4s TimeCoverageRelationStatistics Valid=576, Invalid=1225, Unknown=5, NotChecked=0, Total=1806 [2025-01-10 06:13:16,883 INFO L435 NwaCegarLoop]: 498 mSDtfsCounter, 11 mSDsluCounter, 4966 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 5464 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 06:13:16,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 5464 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 06:13:16,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2025-01-10 06:13:16,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 767. [2025-01-10 06:13:16,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 747 states have (on average 1.3186077643908969) internal successors, (985), 757 states have internal predecessors, (985), 10 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (11), 6 states have call predecessors, (11), 10 states have call successors, (11) [2025-01-10 06:13:16,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1006 transitions. [2025-01-10 06:13:16,907 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1006 transitions. Word has length 209 [2025-01-10 06:13:16,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:13:16,907 INFO L471 AbstractCegarLoop]: Abstraction has 767 states and 1006 transitions. [2025-01-10 06:13:16,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.964285714285714) internal successors, (195), 28 states have internal predecessors, (195), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 06:13:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1006 transitions. [2025-01-10 06:13:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2025-01-10 06:13:16,908 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:13:16,908 INFO L218 NwaCegarLoop]: trace histogram [24, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:13:16,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0