./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-1.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 e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:49:03,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:49:03,592 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 13:49:03,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:49:03,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:49:03,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:49:03,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:49:03,634 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:49:03,634 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:49:03,635 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:49:03,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:49:03,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:49:03,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:49:03,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:49:03,636 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:49:03,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:49:03,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:49:03,637 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 13:49:03,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:49:03,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 13:49:03,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:49:03,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:49:03,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:49:03,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:49:03,638 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:49:03,638 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:49:03,638 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 13:49:03,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:49:03,638 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:49:03,638 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:49:03,639 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:49:03,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:49:03,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:49:03,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:49:03,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:49:03,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:49:03,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:49:03,640 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:49:03,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:49:03,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:49:03,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:49:03,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:49:03,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:49:03,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:49:03,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:49:03,641 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 -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2025-02-08 13:49:03,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:49:03,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:49:03,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:49:03,934 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:49:03,934 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:49:03,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-1.i [2025-02-08 13:49:05,291 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7d47826d9/3c3d1647c9de44b084dfa9185cca8c26/FLAGc7ad14631 [2025-02-08 13:49:05,644 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:49:05,645 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-1.i [2025-02-08 13:49:05,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7d47826d9/3c3d1647c9de44b084dfa9185cca8c26/FLAGc7ad14631 [2025-02-08 13:49:05,863 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7d47826d9/3c3d1647c9de44b084dfa9185cca8c26 [2025-02-08 13:49:05,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:49:05,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:49:05,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:49:05,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:49:05,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:49:05,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:49:05" (1/1) ... [2025-02-08 13:49:05,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373fecce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:05, skipping insertion in model container [2025-02-08 13:49:05,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:49:05" (1/1) ... [2025-02-08 13:49:05,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:49:06,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:49:06,431 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:49:06,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:49:06,583 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:49:06,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06 WrapperNode [2025-02-08 13:49:06,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:49:06,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:49:06,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:49:06,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:49:06,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (1/1) ... [2025-02-08 13:49:06,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (1/1) ... [2025-02-08 13:49:06,664 INFO L138 Inliner]: procedures = 207, calls = 222, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1247 [2025-02-08 13:49:06,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:49:06,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:49:06,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:49:06,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:49:06,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (1/1) ... [2025-02-08 13:49:06,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (1/1) ... [2025-02-08 13:49:06,695 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (1/1) ... [2025-02-08 13:49:06,753 INFO L175 MemorySlicer]: Split 206 memory accesses to 3 slices as follows [2, 34, 170]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2025-02-08 13:49:06,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (1/1) ... [2025-02-08 13:49:06,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (1/1) ... [2025-02-08 13:49:06,806 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (1/1) ... [2025-02-08 13:49:06,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (1/1) ... [2025-02-08 13:49:06,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (1/1) ... [2025-02-08 13:49:06,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (1/1) ... [2025-02-08 13:49:06,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:49:06,836 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:49:06,836 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:49:06,836 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:49:06,837 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (1/1) ... [2025-02-08 13:49:06,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:49:06,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:49:06,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 13:49:06,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 13:49:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 13:49:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 13:49:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 13:49:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 13:49:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 13:49:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 13:49:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 13:49:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 13:49:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 13:49:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 13:49:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 13:49:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 13:49:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 13:49:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 13:49:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 13:49:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 13:49:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 13:49:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 13:49:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:49:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 13:49:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 13:49:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 13:49:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 13:49:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 13:49:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 13:49:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:49:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:49:07,117 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:49:07,120 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:49:08,289 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-02-08 13:49:08,379 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2025-02-08 13:49:08,379 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:49:08,439 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:49:08,441 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-08 13:49:08,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:49:08 BoogieIcfgContainer [2025-02-08 13:49:08,442 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:49:08,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:49:08,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:49:08,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:49:08,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:49:05" (1/3) ... [2025-02-08 13:49:08,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a9a90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:49:08, skipping insertion in model container [2025-02-08 13:49:08,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:49:06" (2/3) ... [2025-02-08 13:49:08,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a9a90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:49:08, skipping insertion in model container [2025-02-08 13:49:08,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:49:08" (3/3) ... [2025-02-08 13:49:08,450 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test2-1.i [2025-02-08 13:49:08,464 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:49:08,465 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_nondet_test2-1.i that has 4 procedures, 381 locations, 1 initial locations, 33 loop locations, and 6 error locations. [2025-02-08 13:49:08,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:49:08,537 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;@547b0fdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:49:08,538 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-08 13:49:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 373 states, 362 states have (on average 1.6215469613259668) internal successors, (587), 368 states have internal predecessors, (587), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:49:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 13:49:08,548 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:08,548 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:08,549 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:08,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:08,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1440268921, now seen corresponding path program 1 times [2025-02-08 13:49:08,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:08,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050469030] [2025-02-08 13:49:08,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:08,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:08,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 13:49:08,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 13:49:08,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:08,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:49:08,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:08,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050469030] [2025-02-08 13:49:08,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050469030] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:08,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:49:08,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:49:08,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694040377] [2025-02-08 13:49:08,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:08,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 13:49:08,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:08,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 13:49:08,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 13:49:08,730 INFO L87 Difference]: Start difference. First operand has 373 states, 362 states have (on average 1.6215469613259668) internal successors, (587), 368 states have internal predecessors, (587), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:08,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:08,887 INFO L93 Difference]: Finished difference Result 743 states and 1182 transitions. [2025-02-08 13:49:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 13:49:08,889 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-08 13:49:08,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:08,897 INFO L225 Difference]: With dead ends: 743 [2025-02-08 13:49:08,897 INFO L226 Difference]: Without dead ends: 367 [2025-02-08 13:49:08,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 13:49:08,903 INFO L435 NwaCegarLoop]: 495 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:08,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 495 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:49:08,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2025-02-08 13:49:08,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2025-02-08 13:49:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 357 states have (on average 1.4677871148459383) internal successors, (524), 362 states have internal predecessors, (524), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:49:08,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 530 transitions. [2025-02-08 13:49:08,960 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 530 transitions. Word has length 7 [2025-02-08 13:49:08,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:08,960 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 530 transitions. [2025-02-08 13:49:08,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 530 transitions. [2025-02-08 13:49:08,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 13:49:08,962 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:08,962 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:08,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 13:49:08,963 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:08,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:08,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1440269882, now seen corresponding path program 1 times [2025-02-08 13:49:08,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:08,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717582906] [2025-02-08 13:49:08,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:08,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:08,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 13:49:09,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 13:49:09,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:09,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 13:49:09,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [710944215] [2025-02-08 13:49:09,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:09,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:09,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:49:09,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:49:09,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 13:49:09,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 13:49:09,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 13:49:09,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:09,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:09,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 13:49:09,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:49:09,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 13:49:09,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:49:09,237 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:49:09,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:09,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717582906] [2025-02-08 13:49:09,238 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 13:49:09,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710944215] [2025-02-08 13:49:09,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710944215] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:09,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:49:09,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:49:09,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718560287] [2025-02-08 13:49:09,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:09,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:49:09,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:09,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:49:09,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:49:09,241 INFO L87 Difference]: Start difference. First operand 367 states and 530 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:09,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:09,509 INFO L93 Difference]: Finished difference Result 728 states and 1054 transitions. [2025-02-08 13:49:09,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:49:09,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-08 13:49:09,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:09,514 INFO L225 Difference]: With dead ends: 728 [2025-02-08 13:49:09,514 INFO L226 Difference]: Without dead ends: 726 [2025-02-08 13:49:09,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:49:09,515 INFO L435 NwaCegarLoop]: 466 mSDtfsCounter, 511 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:09,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1392 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:49:09,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2025-02-08 13:49:09,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 373. [2025-02-08 13:49:09,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 363 states have (on average 1.462809917355372) internal successors, (531), 368 states have internal predecessors, (531), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:49:09,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 537 transitions. [2025-02-08 13:49:09,544 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 537 transitions. Word has length 7 [2025-02-08 13:49:09,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:09,545 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 537 transitions. [2025-02-08 13:49:09,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 537 transitions. [2025-02-08 13:49:09,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-08 13:49:09,547 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:09,547 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] [2025-02-08 13:49:09,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 13:49:09,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:09,748 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:09,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:09,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1278315127, now seen corresponding path program 1 times [2025-02-08 13:49:09,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:09,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623234746] [2025-02-08 13:49:09,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:09,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:09,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-08 13:49:09,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-08 13:49:09,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:09,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:10,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:49:10,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:10,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623234746] [2025-02-08 13:49:10,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623234746] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:10,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:49:10,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:49:10,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088729358] [2025-02-08 13:49:10,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:10,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:49:10,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:10,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:49:10,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:49:10,109 INFO L87 Difference]: Start difference. First operand 373 states and 537 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:10,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:10,253 INFO L93 Difference]: Finished difference Result 490 states and 705 transitions. [2025-02-08 13:49:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 13:49:10,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2025-02-08 13:49:10,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:10,256 INFO L225 Difference]: With dead ends: 490 [2025-02-08 13:49:10,256 INFO L226 Difference]: Without dead ends: 331 [2025-02-08 13:49:10,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:49:10,257 INFO L435 NwaCegarLoop]: 394 mSDtfsCounter, 36 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:10,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1168 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:49:10,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2025-02-08 13:49:10,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2025-02-08 13:49:10,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 321 states have (on average 1.4143302180685358) internal successors, (454), 326 states have internal predecessors, (454), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:49:10,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 460 transitions. [2025-02-08 13:49:10,269 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 460 transitions. Word has length 65 [2025-02-08 13:49:10,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:10,270 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 460 transitions. [2025-02-08 13:49:10,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 460 transitions. [2025-02-08 13:49:10,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-08 13:49:10,272 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:10,272 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] [2025-02-08 13:49:10,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 13:49:10,272 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:10,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:10,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1112433729, now seen corresponding path program 1 times [2025-02-08 13:49:10,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:10,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951385080] [2025-02-08 13:49:10,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:10,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:10,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-08 13:49:10,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-08 13:49:10,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:10,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:49:10,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:10,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951385080] [2025-02-08 13:49:10,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951385080] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:10,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:49:10,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:49:10,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497327380] [2025-02-08 13:49:10,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:10,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:49:10,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:10,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:49:10,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:49:10,426 INFO L87 Difference]: Start difference. First operand 331 states and 460 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:10,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:10,555 INFO L93 Difference]: Finished difference Result 442 states and 611 transitions. [2025-02-08 13:49:10,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 13:49:10,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2025-02-08 13:49:10,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:10,559 INFO L225 Difference]: With dead ends: 442 [2025-02-08 13:49:10,559 INFO L226 Difference]: Without dead ends: 325 [2025-02-08 13:49:10,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:49:10,560 INFO L435 NwaCegarLoop]: 396 mSDtfsCounter, 9 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:10,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1169 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:49:10,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-02-08 13:49:10,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2025-02-08 13:49:10,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 315 states have (on average 1.4095238095238096) internal successors, (444), 320 states have internal predecessors, (444), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:49:10,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 450 transitions. [2025-02-08 13:49:10,572 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 450 transitions. Word has length 65 [2025-02-08 13:49:10,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:10,572 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 450 transitions. [2025-02-08 13:49:10,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 450 transitions. [2025-02-08 13:49:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-08 13:49:10,574 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:10,574 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] [2025-02-08 13:49:10,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 13:49:10,574 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:10,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:10,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1407324611, now seen corresponding path program 1 times [2025-02-08 13:49:10,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:10,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098655545] [2025-02-08 13:49:10,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:10,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:10,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-08 13:49:10,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-08 13:49:10,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:10,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:10,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:49:10,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:10,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098655545] [2025-02-08 13:49:10,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098655545] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:10,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:49:10,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:49:10,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360250630] [2025-02-08 13:49:10,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:10,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:49:10,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:10,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:49:10,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:49:10,869 INFO L87 Difference]: Start difference. First operand 325 states and 450 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:11,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:11,037 INFO L93 Difference]: Finished difference Result 630 states and 878 transitions. [2025-02-08 13:49:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:49:11,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2025-02-08 13:49:11,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:11,041 INFO L225 Difference]: With dead ends: 630 [2025-02-08 13:49:11,041 INFO L226 Difference]: Without dead ends: 628 [2025-02-08 13:49:11,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:49:11,046 INFO L435 NwaCegarLoop]: 397 mSDtfsCounter, 367 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:11,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 1184 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:49:11,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2025-02-08 13:49:11,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 434. [2025-02-08 13:49:11,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 424 states have (on average 1.3891509433962264) internal successors, (589), 429 states have internal predecessors, (589), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:49:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 595 transitions. [2025-02-08 13:49:11,068 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 595 transitions. Word has length 65 [2025-02-08 13:49:11,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:11,069 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 595 transitions. [2025-02-08 13:49:11,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 595 transitions. [2025-02-08 13:49:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 13:49:11,072 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:11,072 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] [2025-02-08 13:49:11,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 13:49:11,073 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:11,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:11,073 INFO L85 PathProgramCache]: Analyzing trace with hash -580658613, now seen corresponding path program 1 times [2025-02-08 13:49:11,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:11,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805400874] [2025-02-08 13:49:11,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:11,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:11,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 13:49:11,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 13:49:11,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:11,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:49:11,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:11,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805400874] [2025-02-08 13:49:11,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805400874] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:11,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:49:11,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:49:11,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124850874] [2025-02-08 13:49:11,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:11,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:49:11,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:11,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:49:11,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:49:11,366 INFO L87 Difference]: Start difference. First operand 434 states and 595 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:11,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:11,488 INFO L93 Difference]: Finished difference Result 818 states and 1115 transitions. [2025-02-08 13:49:11,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 13:49:11,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2025-02-08 13:49:11,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:11,490 INFO L225 Difference]: With dead ends: 818 [2025-02-08 13:49:11,490 INFO L226 Difference]: Without dead ends: 392 [2025-02-08 13:49:11,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:49:11,493 INFO L435 NwaCegarLoop]: 316 mSDtfsCounter, 36 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:11,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 934 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:49:11,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-02-08 13:49:11,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2025-02-08 13:49:11,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 382 states have (on average 1.3403141361256545) internal successors, (512), 387 states have internal predecessors, (512), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:49:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 518 transitions. [2025-02-08 13:49:11,512 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 518 transitions. Word has length 80 [2025-02-08 13:49:11,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:11,512 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 518 transitions. [2025-02-08 13:49:11,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:11,513 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 518 transitions. [2025-02-08 13:49:11,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 13:49:11,513 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:11,514 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] [2025-02-08 13:49:11,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 13:49:11,514 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:11,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:11,514 INFO L85 PathProgramCache]: Analyzing trace with hash -468391423, now seen corresponding path program 1 times [2025-02-08 13:49:11,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:11,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518916649] [2025-02-08 13:49:11,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:11,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:11,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 13:49:11,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 13:49:11,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:11,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:49:11,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:11,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518916649] [2025-02-08 13:49:11,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518916649] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:11,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:49:11,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 13:49:11,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752314153] [2025-02-08 13:49:11,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:11,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:49:11,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:11,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:49:11,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:49:11,692 INFO L87 Difference]: Start difference. First operand 392 states and 518 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:11,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:11,790 INFO L93 Difference]: Finished difference Result 770 states and 1021 transitions. [2025-02-08 13:49:11,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 13:49:11,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2025-02-08 13:49:11,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:11,793 INFO L225 Difference]: With dead ends: 770 [2025-02-08 13:49:11,793 INFO L226 Difference]: Without dead ends: 386 [2025-02-08 13:49:11,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:49:11,795 INFO L435 NwaCegarLoop]: 318 mSDtfsCounter, 9 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:11,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 935 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:49:11,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2025-02-08 13:49:11,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2025-02-08 13:49:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 376 states have (on average 1.3351063829787233) internal successors, (502), 381 states have internal predecessors, (502), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:49:11,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 508 transitions. [2025-02-08 13:49:11,814 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 508 transitions. Word has length 80 [2025-02-08 13:49:11,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:11,814 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 508 transitions. [2025-02-08 13:49:11,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 508 transitions. [2025-02-08 13:49:11,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 13:49:11,815 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:11,815 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] [2025-02-08 13:49:11,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 13:49:11,815 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:11,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:11,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1890355461, now seen corresponding path program 1 times [2025-02-08 13:49:11,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:11,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146521258] [2025-02-08 13:49:11,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:11,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:11,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 13:49:11,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 13:49:11,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:11,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 13:49:11,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:11,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146521258] [2025-02-08 13:49:11,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146521258] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:11,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:49:11,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:49:11,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101867181] [2025-02-08 13:49:11,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:11,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:49:11,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:11,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:49:11,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:49:11,950 INFO L87 Difference]: Start difference. First operand 386 states and 508 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:12,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:12,067 INFO L93 Difference]: Finished difference Result 1021 states and 1348 transitions. [2025-02-08 13:49:12,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:49:12,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 80 [2025-02-08 13:49:12,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:12,071 INFO L225 Difference]: With dead ends: 1021 [2025-02-08 13:49:12,072 INFO L226 Difference]: Without dead ends: 643 [2025-02-08 13:49:12,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:49:12,073 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 173 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:12,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 649 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:49:12,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2025-02-08 13:49:12,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 641. [2025-02-08 13:49:12,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 631 states have (on average 1.3312202852614896) internal successors, (840), 636 states have internal predecessors, (840), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 13:49:12,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 846 transitions. [2025-02-08 13:49:12,092 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 846 transitions. Word has length 80 [2025-02-08 13:49:12,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:12,092 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 846 transitions. [2025-02-08 13:49:12,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 13:49:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 846 transitions. [2025-02-08 13:49:12,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 13:49:12,093 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:12,093 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] [2025-02-08 13:49:12,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 13:49:12,094 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:12,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:12,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1361986562, now seen corresponding path program 1 times [2025-02-08 13:49:12,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:12,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765100707] [2025-02-08 13:49:12,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:12,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:12,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 13:49:12,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 13:49:12,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:12,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:49:12,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:12,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765100707] [2025-02-08 13:49:12,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765100707] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:12,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:49:12,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 13:49:12,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378730378] [2025-02-08 13:49:12,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:12,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:49:12,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:12,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:49:12,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 13:49:12,463 INFO L87 Difference]: Start difference. First operand 641 states and 846 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:12,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:12,597 INFO L93 Difference]: Finished difference Result 706 states and 931 transitions. [2025-02-08 13:49:12,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:49:12,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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 95 [2025-02-08 13:49:12,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:12,601 INFO L225 Difference]: With dead ends: 706 [2025-02-08 13:49:12,601 INFO L226 Difference]: Without dead ends: 704 [2025-02-08 13:49:12,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:49:12,602 INFO L435 NwaCegarLoop]: 319 mSDtfsCounter, 252 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:12,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 950 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:49:12,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2025-02-08 13:49:12,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 704. [2025-02-08 13:49:12,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 691 states have (on average 1.3270622286541245) internal successors, (917), 696 states have internal predecessors, (917), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:49:12,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 929 transitions. [2025-02-08 13:49:12,620 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 929 transitions. Word has length 95 [2025-02-08 13:49:12,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:12,621 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 929 transitions. [2025-02-08 13:49:12,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:12,621 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 929 transitions. [2025-02-08 13:49:12,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 13:49:12,622 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:12,622 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:12,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 13:49:12,622 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:12,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:12,623 INFO L85 PathProgramCache]: Analyzing trace with hash 571057518, now seen corresponding path program 1 times [2025-02-08 13:49:12,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:12,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880517744] [2025-02-08 13:49:12,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:12,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:12,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 13:49:12,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 13:49:12,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:12,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:49:13,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:13,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880517744] [2025-02-08 13:49:13,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880517744] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:49:13,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594403099] [2025-02-08 13:49:13,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:13,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:13,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:49:13,133 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:49:13,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 13:49:13,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 13:49:13,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 13:49:13,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:13,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:13,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-08 13:49:13,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:49:13,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 13:49:13,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 13:49:13,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-02-08 13:49:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:49:14,278 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:49:14,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594403099] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:14,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:49:14,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-02-08 13:49:14,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563708317] [2025-02-08 13:49:14,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:14,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 13:49:14,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:14,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 13:49:14,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-08 13:49:14,279 INFO L87 Difference]: Start difference. First operand 704 states and 929 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:16,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:16,468 INFO L93 Difference]: Finished difference Result 1288 states and 1707 transitions. [2025-02-08 13:49:16,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 13:49:16,468 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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 101 [2025-02-08 13:49:16,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:16,471 INFO L225 Difference]: With dead ends: 1288 [2025-02-08 13:49:16,471 INFO L226 Difference]: Without dead ends: 704 [2025-02-08 13:49:16,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-08 13:49:16,475 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 432 mSDsluCounter, 1907 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:16,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 2211 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-02-08 13:49:16,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2025-02-08 13:49:16,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 704. [2025-02-08 13:49:16,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 691 states have (on average 1.32561505065123) internal successors, (916), 696 states have internal predecessors, (916), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:49:16,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 928 transitions. [2025-02-08 13:49:16,516 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 928 transitions. Word has length 101 [2025-02-08 13:49:16,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:16,516 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 928 transitions. [2025-02-08 13:49:16,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 928 transitions. [2025-02-08 13:49:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-08 13:49:16,517 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:16,518 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:16,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 13:49:16,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:16,722 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:16,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:16,722 INFO L85 PathProgramCache]: Analyzing trace with hash 614683575, now seen corresponding path program 1 times [2025-02-08 13:49:16,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:16,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2378284] [2025-02-08 13:49:16,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:16,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:16,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 13:49:16,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 13:49:16,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:16,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:49:17,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:17,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2378284] [2025-02-08 13:49:17,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2378284] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:49:17,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762418168] [2025-02-08 13:49:17,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:17,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:17,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:49:17,104 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:49:17,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 13:49:17,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 13:49:17,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 13:49:17,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:17,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:17,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-08 13:49:17,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:49:17,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 13:49:17,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 13:49:17,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-02-08 13:49:18,259 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:49:18,259 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:49:18,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762418168] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:18,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:49:18,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2025-02-08 13:49:18,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247217175] [2025-02-08 13:49:18,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:18,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 13:49:18,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:18,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 13:49:18,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-02-08 13:49:18,261 INFO L87 Difference]: Start difference. First operand 704 states and 928 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 12 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:19,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:19,462 INFO L93 Difference]: Finished difference Result 1288 states and 1706 transitions. [2025-02-08 13:49:19,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 13:49:19,465 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 12 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2025-02-08 13:49:19,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:19,468 INFO L225 Difference]: With dead ends: 1288 [2025-02-08 13:49:19,468 INFO L226 Difference]: Without dead ends: 709 [2025-02-08 13:49:19,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2025-02-08 13:49:19,470 INFO L435 NwaCegarLoop]: 339 mSDtfsCounter, 479 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:19,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 1816 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 13:49:19,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2025-02-08 13:49:19,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 708. [2025-02-08 13:49:19,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 695 states have (on average 1.325179856115108) internal successors, (921), 700 states have internal predecessors, (921), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:49:19,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 933 transitions. [2025-02-08 13:49:19,492 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 933 transitions. Word has length 102 [2025-02-08 13:49:19,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:19,492 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 933 transitions. [2025-02-08 13:49:19,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 12 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 933 transitions. [2025-02-08 13:49:19,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 13:49:19,493 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:19,494 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:19,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 13:49:19,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:19,695 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:19,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:19,695 INFO L85 PathProgramCache]: Analyzing trace with hash 669777707, now seen corresponding path program 1 times [2025-02-08 13:49:19,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:19,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145557241] [2025-02-08 13:49:19,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:19,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:19,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 13:49:19,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 13:49:19,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:19,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:49:19,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:19,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145557241] [2025-02-08 13:49:19,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145557241] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:19,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:49:19,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 13:49:19,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040471653] [2025-02-08 13:49:19,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:19,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 13:49:19,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:19,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 13:49:19,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 13:49:19,983 INFO L87 Difference]: Start difference. First operand 708 states and 933 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:20,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:20,254 INFO L93 Difference]: Finished difference Result 1295 states and 1716 transitions. [2025-02-08 13:49:20,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 13:49:20,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2025-02-08 13:49:20,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:20,257 INFO L225 Difference]: With dead ends: 1295 [2025-02-08 13:49:20,258 INFO L226 Difference]: Without dead ends: 714 [2025-02-08 13:49:20,258 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 [2025-02-08 13:49:20,259 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 5 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:20,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1120 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 13:49:20,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2025-02-08 13:49:20,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 714. [2025-02-08 13:49:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 701 states have (on average 1.3223965763195435) internal successors, (927), 706 states have internal predecessors, (927), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:49:20,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 939 transitions. [2025-02-08 13:49:20,279 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 939 transitions. Word has length 103 [2025-02-08 13:49:20,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:20,279 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 939 transitions. [2025-02-08 13:49:20,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:20,279 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 939 transitions. [2025-02-08 13:49:20,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 13:49:20,280 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:20,280 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:20,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 13:49:20,281 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:20,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:20,282 INFO L85 PathProgramCache]: Analyzing trace with hash -818444313, now seen corresponding path program 1 times [2025-02-08 13:49:20,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:20,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584550021] [2025-02-08 13:49:20,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:20,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:20,321 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 13:49:20,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 13:49:20,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:20,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 13:49:20,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:20,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584550021] [2025-02-08 13:49:20,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584550021] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:20,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:49:20,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 13:49:20,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486933714] [2025-02-08 13:49:20,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:20,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:49:20,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:20,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:49:20,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:49:20,565 INFO L87 Difference]: Start difference. First operand 714 states and 939 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:20,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:20,947 INFO L93 Difference]: Finished difference Result 1301 states and 1720 transitions. [2025-02-08 13:49:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:49:20,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2025-02-08 13:49:20,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:20,951 INFO L225 Difference]: With dead ends: 1301 [2025-02-08 13:49:20,951 INFO L226 Difference]: Without dead ends: 724 [2025-02-08 13:49:20,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-08 13:49:20,952 INFO L435 NwaCegarLoop]: 315 mSDtfsCounter, 10 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:20,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1608 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 13:49:20,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2025-02-08 13:49:20,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 722. [2025-02-08 13:49:20,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 709 states have (on average 1.3215796897038081) internal successors, (937), 714 states have internal predecessors, (937), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:49:20,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 949 transitions. [2025-02-08 13:49:20,989 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 949 transitions. Word has length 103 [2025-02-08 13:49:20,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:20,990 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 949 transitions. [2025-02-08 13:49:20,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 949 transitions. [2025-02-08 13:49:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-08 13:49:20,992 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:20,993 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:20,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 13:49:20,993 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:20,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:20,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1932948848, now seen corresponding path program 1 times [2025-02-08 13:49:20,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:20,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141355804] [2025-02-08 13:49:20,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:20,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:21,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 13:49:21,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 13:49:21,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:21,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:49:21,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:21,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141355804] [2025-02-08 13:49:21,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141355804] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:49:21,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454957417] [2025-02-08 13:49:21,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:21,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:21,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:49:21,397 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:49:21,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 13:49:21,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 13:49:21,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 13:49:21,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:21,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:21,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 13:49:21,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:49:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 13:49:21,796 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:49:21,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454957417] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:21,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:49:21,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-02-08 13:49:21,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215999624] [2025-02-08 13:49:21,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:21,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 13:49:21,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:21,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 13:49:21,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 13:49:21,798 INFO L87 Difference]: Start difference. First operand 722 states and 949 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:21,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:21,869 INFO L93 Difference]: Finished difference Result 1266 states and 1669 transitions. [2025-02-08 13:49:21,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 13:49:21,870 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2025-02-08 13:49:21,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:21,875 INFO L225 Difference]: With dead ends: 1266 [2025-02-08 13:49:21,875 INFO L226 Difference]: Without dead ends: 725 [2025-02-08 13:49:21,876 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 [2025-02-08 13:49:21,876 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 0 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:21,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 986 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 13:49:21,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2025-02-08 13:49:21,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 725. [2025-02-08 13:49:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 711 states have (on average 1.3220815752461321) internal successors, (940), 717 states have internal predecessors, (940), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:49:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 954 transitions. [2025-02-08 13:49:21,898 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 954 transitions. Word has length 104 [2025-02-08 13:49:21,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:21,898 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 954 transitions. [2025-02-08 13:49:21,898 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 954 transitions. [2025-02-08 13:49:21,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-08 13:49:21,900 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:21,900 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:21,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 13:49:22,101 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,SelfDestructingSolverStorable13 [2025-02-08 13:49:22,101 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:22,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:22,102 INFO L85 PathProgramCache]: Analyzing trace with hash -44567660, now seen corresponding path program 1 times [2025-02-08 13:49:22,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:22,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827353263] [2025-02-08 13:49:22,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:22,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:22,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 13:49:22,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 13:49:22,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:22,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:22,621 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 13:49:22,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:22,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827353263] [2025-02-08 13:49:22,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827353263] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:49:22,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109477499] [2025-02-08 13:49:22,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:22,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:22,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:49:22,625 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:49:22,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 13:49:22,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 13:49:23,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 13:49:23,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:23,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:23,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 13:49:23,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:49:33,250 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-02-08 13:49:33,250 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:49:33,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109477499] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:33,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:49:33,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-02-08 13:49:33,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219833002] [2025-02-08 13:49:33,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:33,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:49:33,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:33,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:49:33,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:49:33,256 INFO L87 Difference]: Start difference. First operand 725 states and 954 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:38,736 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] [2025-02-08 13:49:38,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:38,969 INFO L93 Difference]: Finished difference Result 1329 states and 1759 transitions. [2025-02-08 13:49:38,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 13:49:38,970 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2025-02-08 13:49:38,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:38,973 INFO L225 Difference]: With dead ends: 1329 [2025-02-08 13:49:38,973 INFO L226 Difference]: Without dead ends: 731 [2025-02-08 13:49:38,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:49:38,975 INFO L435 NwaCegarLoop]: 315 mSDtfsCounter, 8 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:38,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1608 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 486 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2025-02-08 13:49:38,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2025-02-08 13:49:38,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 721. [2025-02-08 13:49:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 707 states have (on average 1.3196605374823196) internal successors, (933), 713 states have internal predecessors, (933), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:49:38,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 947 transitions. [2025-02-08 13:49:38,995 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 947 transitions. Word has length 106 [2025-02-08 13:49:38,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:38,995 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 947 transitions. [2025-02-08 13:49:38,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:38,996 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 947 transitions. [2025-02-08 13:49:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-08 13:49:38,997 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:38,997 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:39,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 13:49:39,198 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,SelfDestructingSolverStorable14 [2025-02-08 13:49:39,198 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:39,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:39,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1388527861, now seen corresponding path program 1 times [2025-02-08 13:49:39,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:39,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536817237] [2025-02-08 13:49:39,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:39,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:39,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 13:49:39,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 13:49:39,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:39,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:39,570 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 13:49:39,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:39,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536817237] [2025-02-08 13:49:39,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536817237] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:49:39,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985865343] [2025-02-08 13:49:39,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:39,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:39,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:49:39,574 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:49:39,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 13:49:39,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 13:49:39,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 13:49:39,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:39,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:39,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 13:49:39,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:49:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-02-08 13:49:40,121 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:49:40,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985865343] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:40,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:49:40,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2025-02-08 13:49:40,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712018170] [2025-02-08 13:49:40,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:40,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 13:49:40,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:40,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 13:49:40,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2025-02-08 13:49:40,123 INFO L87 Difference]: Start difference. First operand 721 states and 947 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:40,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:40,484 INFO L93 Difference]: Finished difference Result 1320 states and 1741 transitions. [2025-02-08 13:49:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 13:49:40,485 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 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 [2025-02-08 13:49:40,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:40,488 INFO L225 Difference]: With dead ends: 1320 [2025-02-08 13:49:40,488 INFO L226 Difference]: Without dead ends: 741 [2025-02-08 13:49:40,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-02-08 13:49:40,490 INFO L435 NwaCegarLoop]: 311 mSDtfsCounter, 31 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:40,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 1643 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:49:40,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2025-02-08 13:49:40,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 731. [2025-02-08 13:49:40,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 717 states have (on average 1.3179916317991631) internal successors, (945), 723 states have internal predecessors, (945), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:49:40,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 959 transitions. [2025-02-08 13:49:40,506 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 959 transitions. Word has length 107 [2025-02-08 13:49:40,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:40,507 INFO L471 AbstractCegarLoop]: Abstraction has 731 states and 959 transitions. [2025-02-08 13:49:40,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:40,507 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 959 transitions. [2025-02-08 13:49:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-08 13:49:40,508 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:40,508 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:40,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 13:49:40,709 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,SelfDestructingSolverStorable15 [2025-02-08 13:49:40,710 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:40,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:40,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1170800696, now seen corresponding path program 1 times [2025-02-08 13:49:40,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:40,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214515122] [2025-02-08 13:49:40,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:40,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:40,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 13:49:40,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 13:49:40,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:40,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-02-08 13:49:41,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:41,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214515122] [2025-02-08 13:49:41,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214515122] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:41,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:49:41,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 13:49:41,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823341641] [2025-02-08 13:49:41,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:41,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 13:49:41,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:41,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 13:49:41,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:49:41,032 INFO L87 Difference]: Start difference. First operand 731 states and 959 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:41,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:41,413 INFO L93 Difference]: Finished difference Result 1335 states and 1759 transitions. [2025-02-08 13:49:41,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 13:49:41,414 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2025-02-08 13:49:41,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:41,417 INFO L225 Difference]: With dead ends: 1335 [2025-02-08 13:49:41,418 INFO L226 Difference]: Without dead ends: 751 [2025-02-08 13:49:41,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 13:49:41,419 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 16 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:41,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1714 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:49:41,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2025-02-08 13:49:41,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 745. [2025-02-08 13:49:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 731 states have (on average 1.317373461012312) internal successors, (963), 737 states have internal predecessors, (963), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:49:41,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 977 transitions. [2025-02-08 13:49:41,440 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 977 transitions. Word has length 107 [2025-02-08 13:49:41,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:41,440 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 977 transitions. [2025-02-08 13:49:41,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:41,441 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 977 transitions. [2025-02-08 13:49:41,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-08 13:49:41,442 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:41,442 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:41,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 13:49:41,442 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:41,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:41,443 INFO L85 PathProgramCache]: Analyzing trace with hash 2107768333, now seen corresponding path program 1 times [2025-02-08 13:49:41,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:41,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315054627] [2025-02-08 13:49:41,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:41,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:41,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-08 13:49:41,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-08 13:49:41,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:41,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 13:49:41,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:41,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315054627] [2025-02-08 13:49:41,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315054627] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:49:41,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718402672] [2025-02-08 13:49:41,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:41,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:41,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:49:41,858 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 13:49:41,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 13:49:42,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-08 13:49:42,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-08 13:49:42,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:42,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:42,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 13:49:42,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:49:42,691 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-02-08 13:49:42,693 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:49:42,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718402672] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:42,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:49:42,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2025-02-08 13:49:42,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037775395] [2025-02-08 13:49:42,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:42,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 13:49:42,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:42,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 13:49:42,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2025-02-08 13:49:42,696 INFO L87 Difference]: Start difference. First operand 745 states and 977 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:43,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:43,845 INFO L93 Difference]: Finished difference Result 1361 states and 1797 transitions. [2025-02-08 13:49:43,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 13:49:43,845 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 108 [2025-02-08 13:49:43,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:43,848 INFO L225 Difference]: With dead ends: 1361 [2025-02-08 13:49:43,849 INFO L226 Difference]: Without dead ends: 765 [2025-02-08 13:49:43,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2025-02-08 13:49:43,850 INFO L435 NwaCegarLoop]: 317 mSDtfsCounter, 13 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:43,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2440 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 13:49:43,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2025-02-08 13:49:43,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 759. [2025-02-08 13:49:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 745 states have (on average 1.316778523489933) internal successors, (981), 751 states have internal predecessors, (981), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:49:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 995 transitions. [2025-02-08 13:49:43,867 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 995 transitions. Word has length 108 [2025-02-08 13:49:43,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:43,868 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 995 transitions. [2025-02-08 13:49:43,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 995 transitions. [2025-02-08 13:49:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-08 13:49:43,869 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:43,869 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:43,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 13:49:44,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:44,071 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:44,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:44,071 INFO L85 PathProgramCache]: Analyzing trace with hash 350638253, now seen corresponding path program 1 times [2025-02-08 13:49:44,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:44,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334979190] [2025-02-08 13:49:44,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:44,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:44,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-08 13:49:44,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-08 13:49:44,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:44,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 13:49:44,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:44,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334979190] [2025-02-08 13:49:44,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334979190] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:49:44,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925617402] [2025-02-08 13:49:44,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:44,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:44,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:49:44,399 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) [2025-02-08 13:49:44,402 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 [2025-02-08 13:49:44,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-08 13:49:44,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-08 13:49:44,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:44,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:44,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 13:49:44,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:49:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-02-08 13:49:44,937 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 13:49:44,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925617402] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:49:44,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 13:49:44,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-02-08 13:49:44,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575413449] [2025-02-08 13:49:44,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:49:44,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 13:49:44,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:49:44,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 13:49:44,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-08 13:49:44,939 INFO L87 Difference]: Start difference. First operand 759 states and 995 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:45,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:49:45,281 INFO L93 Difference]: Finished difference Result 1367 states and 1801 transitions. [2025-02-08 13:49:45,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 13:49:45,282 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 [2025-02-08 13:49:45,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:49:45,285 INFO L225 Difference]: With dead ends: 1367 [2025-02-08 13:49:45,285 INFO L226 Difference]: Without dead ends: 769 [2025-02-08 13:49:45,287 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 [2025-02-08 13:49:45,287 INFO L435 NwaCegarLoop]: 309 mSDtfsCounter, 30 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 13:49:45,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1620 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 13:49:45,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2025-02-08 13:49:45,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 763. [2025-02-08 13:49:45,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 749 states have (on average 1.315086782376502) internal successors, (985), 755 states have internal predecessors, (985), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 13:49:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 999 transitions. [2025-02-08 13:49:45,308 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 999 transitions. Word has length 108 [2025-02-08 13:49:45,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:49:45,308 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 999 transitions. [2025-02-08 13:49:45,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:49:45,308 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 999 transitions. [2025-02-08 13:49:45,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-08 13:49:45,310 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:49:45,310 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:49:45,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 13:49:45,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:45,511 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 13:49:45,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:49:45,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1838860273, now seen corresponding path program 1 times [2025-02-08 13:49:45,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:49:45,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364460027] [2025-02-08 13:49:45,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:45,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:49:45,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-08 13:49:45,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-08 13:49:45,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:45,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:45,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 13:49:45,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:49:45,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364460027] [2025-02-08 13:49:45,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364460027] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 13:49:45,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647908060] [2025-02-08 13:49:45,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:49:45,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 13:49:45,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:49:45,990 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) [2025-02-08 13:49:45,992 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 [2025-02-08 13:49:46,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-08 13:49:46,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-08 13:49:46,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:49:46,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:49:46,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 129 conjuncts are in the unsatisfiable core [2025-02-08 13:49:46,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 13:49:46,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 13:49:46,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2025-02-08 13:49:46,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-08 13:49:46,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-02-08 13:49:46,894 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 7 treesize of output 3 [2025-02-08 13:49:46,984 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 [2025-02-08 13:49:47,004 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2025-02-08 13:49:47,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2025-02-08 13:49:47,010 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 [2025-02-08 13:49:47,091 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 18 treesize of output 10 [2025-02-08 13:49:47,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2025-02-08 13:49:47,217 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2025-02-08 13:49:47,217 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2025-02-08 13:49:47,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2025-02-08 13:49:50,640 INFO L224 Elim1Store]: Index analysis took 148 ms