./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:08:32,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:08:32,790 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 18:08:32,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:08:32,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:08:32,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:08:32,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:08:32,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:08:32,807 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:08:32,807 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:08:32,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 18:08:32,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 18:08:32,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:08:32,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:08:32,807 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:08:32,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:08:32,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 18:08:32,807 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 18:08:32,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:08:32,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 18:08:32,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:08:32,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 18:08:32,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:08:32,808 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:08:32,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 18:08:32,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 18:08:32,808 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 -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2025-02-06 18:08:33,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:08:33,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:08:33,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:08:33,018 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:08:33,018 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:08:33,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i [2025-02-06 18:08:34,112 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5037ac640/eb07aa755f2f4636955e98b09c3d633d/FLAG73833d7b1 [2025-02-06 18:08:34,455 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:08:34,456 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i [2025-02-06 18:08:34,471 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5037ac640/eb07aa755f2f4636955e98b09c3d633d/FLAG73833d7b1 [2025-02-06 18:08:34,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5037ac640/eb07aa755f2f4636955e98b09c3d633d [2025-02-06 18:08:34,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:08:34,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:08:34,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:08:34,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:08:34,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:08:34,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:08:34" (1/1) ... [2025-02-06 18:08:34,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e1aa19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:34, skipping insertion in model container [2025-02-06 18:08:34,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:08:34" (1/1) ... [2025-02-06 18:08:34,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:08:35,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:08:35,075 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:08:35,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:08:35,179 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:08:35,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35 WrapperNode [2025-02-06 18:08:35,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:08:35,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:08:35,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:08:35,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:08:35,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (1/1) ... [2025-02-06 18:08:35,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (1/1) ... [2025-02-06 18:08:35,246 INFO L138 Inliner]: procedures = 177, calls = 325, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1556 [2025-02-06 18:08:35,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:08:35,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:08:35,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:08:35,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:08:35,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (1/1) ... [2025-02-06 18:08:35,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (1/1) ... [2025-02-06 18:08:35,262 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (1/1) ... [2025-02-06 18:08:35,330 INFO L175 MemorySlicer]: Split 302 memory accesses to 3 slices as follows [2, 34, 266]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58]. [2025-02-06 18:08:35,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (1/1) ... [2025-02-06 18:08:35,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (1/1) ... [2025-02-06 18:08:35,371 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (1/1) ... [2025-02-06 18:08:35,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (1/1) ... [2025-02-06 18:08:35,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (1/1) ... [2025-02-06 18:08:35,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (1/1) ... [2025-02-06 18:08:35,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:08:35,392 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:08:35,393 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:08:35,393 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:08:35,395 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (1/1) ... [2025-02-06 18:08:35,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:08:35,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:35,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 18:08:35,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 18:08:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 18:08:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 18:08:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 18:08:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 18:08:35,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 18:08:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 18:08:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 18:08:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 18:08:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 18:08:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 18:08:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 18:08:35,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 18:08:35,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 18:08:35,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 18:08:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:08:35,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:08:35,627 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:08:35,629 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:08:36,688 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-02-06 18:08:36,774 INFO L? ?]: Removed 344 outVars from TransFormulas that were not future-live. [2025-02-06 18:08:36,774 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:08:36,825 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:08:36,829 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-06 18:08:36,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:08:36 BoogieIcfgContainer [2025-02-06 18:08:36,829 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:08:36,831 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 18:08:36,831 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 18:08:36,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 18:08:36,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:08:34" (1/3) ... [2025-02-06 18:08:36,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0770a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:08:36, skipping insertion in model container [2025-02-06 18:08:36,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:08:35" (2/3) ... [2025-02-06 18:08:36,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0770a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:08:36, skipping insertion in model container [2025-02-06 18:08:36,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:08:36" (3/3) ... [2025-02-06 18:08:36,836 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test3-2.i [2025-02-06 18:08:36,845 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 18:08:36,846 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_nondet_test3-2.i that has 5 procedures, 450 locations, 1 initial locations, 43 loop locations, and 6 error locations. [2025-02-06 18:08:36,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 18:08:36,895 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;@73768ae4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 18:08:36,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-06 18:08:36,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 442 states, 428 states have (on average 1.6214953271028036) internal successors, (694), 435 states have internal predecessors, (694), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 18:08:36,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 18:08:36,902 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:36,902 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:36,902 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:36,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:36,905 INFO L85 PathProgramCache]: Analyzing trace with hash -701608012, now seen corresponding path program 1 times [2025-02-06 18:08:36,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:36,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059167927] [2025-02-06 18:08:36,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:36,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:36,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:08:36,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:08:36,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:36,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:08:37,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:37,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059167927] [2025-02-06 18:08:37,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059167927] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:37,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:37,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:08:37,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164263286] [2025-02-06 18:08:37,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:37,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 18:08:37,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:37,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 18:08:37,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 18:08:37,035 INFO L87 Difference]: Start difference. First operand has 442 states, 428 states have (on average 1.6214953271028036) internal successors, (694), 435 states have internal predecessors, (694), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:37,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:37,158 INFO L93 Difference]: Finished difference Result 880 states and 1405 transitions. [2025-02-06 18:08:37,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 18:08:37,161 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-06 18:08:37,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:37,169 INFO L225 Difference]: With dead ends: 880 [2025-02-06 18:08:37,169 INFO L226 Difference]: Without dead ends: 400 [2025-02-06 18:08:37,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 18:08:37,174 INFO L435 NwaCegarLoop]: 588 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:37,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 588 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:37,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2025-02-06 18:08:37,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2025-02-06 18:08:37,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 388 states have (on average 1.458762886597938) internal successors, (566), 394 states have internal predecessors, (566), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 18:08:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 574 transitions. [2025-02-06 18:08:37,238 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 574 transitions. Word has length 8 [2025-02-06 18:08:37,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:37,238 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 574 transitions. [2025-02-06 18:08:37,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 574 transitions. [2025-02-06 18:08:37,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 18:08:37,239 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:37,239 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:37,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 18:08:37,239 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:37,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:37,240 INFO L85 PathProgramCache]: Analyzing trace with hash -701607051, now seen corresponding path program 1 times [2025-02-06 18:08:37,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:37,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805982444] [2025-02-06 18:08:37,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:37,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:37,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:08:37,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:08:37,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:37,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 18:08:37,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [496735243] [2025-02-06 18:08:37,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:37,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:37,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:37,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:08:37,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 18:08:37,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:08:37,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:08:37,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:37,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:37,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 18:08:37,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:37,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-06 18:08:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:08:37,484 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:08:37,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:37,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805982444] [2025-02-06 18:08:37,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 18:08:37,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496735243] [2025-02-06 18:08:37,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496735243] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:37,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:37,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:08:37,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622436409] [2025-02-06 18:08:37,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:37,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:08:37,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:37,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:08:37,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:08:37,487 INFO L87 Difference]: Start difference. First operand 400 states and 574 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:37,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:37,690 INFO L93 Difference]: Finished difference Result 789 states and 1138 transitions. [2025-02-06 18:08:37,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:08:37,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-06 18:08:37,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:37,694 INFO L225 Difference]: With dead ends: 789 [2025-02-06 18:08:37,694 INFO L226 Difference]: Without dead ends: 788 [2025-02-06 18:08:37,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:08:37,695 INFO L435 NwaCegarLoop]: 508 mSDtfsCounter, 550 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:37,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 1519 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:08:37,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2025-02-06 18:08:37,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 405. [2025-02-06 18:08:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 393 states have (on average 1.455470737913486) internal successors, (572), 399 states have internal predecessors, (572), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 18:08:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 580 transitions. [2025-02-06 18:08:37,716 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 580 transitions. Word has length 8 [2025-02-06 18:08:37,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:37,716 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 580 transitions. [2025-02-06 18:08:37,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 580 transitions. [2025-02-06 18:08:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-06 18:08:37,716 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:37,716 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:37,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 18:08:37,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:37,917 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:37,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:37,918 INFO L85 PathProgramCache]: Analyzing trace with hash -274981400, now seen corresponding path program 1 times [2025-02-06 18:08:37,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:37,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54811485] [2025-02-06 18:08:37,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:37,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:37,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 18:08:37,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 18:08:37,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:37,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 18:08:37,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1973230590] [2025-02-06 18:08:37,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:37,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:37,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:37,944 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:08:37,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 18:08:38,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 18:08:38,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 18:08:38,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:38,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:38,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 18:08:38,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:38,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-06 18:08:38,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:08:38,091 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:08:38,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:38,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54811485] [2025-02-06 18:08:38,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 18:08:38,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973230590] [2025-02-06 18:08:38,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973230590] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:38,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:38,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:08:38,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832452696] [2025-02-06 18:08:38,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:38,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:08:38,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:38,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:08:38,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:08:38,092 INFO L87 Difference]: Start difference. First operand 405 states and 580 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:38,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:38,302 INFO L93 Difference]: Finished difference Result 788 states and 1137 transitions. [2025-02-06 18:08:38,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:08:38,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-06 18:08:38,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:38,306 INFO L225 Difference]: With dead ends: 788 [2025-02-06 18:08:38,306 INFO L226 Difference]: Without dead ends: 787 [2025-02-06 18:08:38,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:08:38,307 INFO L435 NwaCegarLoop]: 509 mSDtfsCounter, 548 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:38,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1520 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:08:38,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2025-02-06 18:08:38,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 406. [2025-02-06 18:08:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 394 states have (on average 1.4543147208121827) internal successors, (573), 400 states have internal predecessors, (573), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 18:08:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 581 transitions. [2025-02-06 18:08:38,340 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 581 transitions. Word has length 9 [2025-02-06 18:08:38,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:38,341 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 581 transitions. [2025-02-06 18:08:38,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 581 transitions. [2025-02-06 18:08:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-02-06 18:08:38,360 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:38,360 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] [2025-02-06 18:08:38,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 18:08:38,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:38,561 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:38,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:38,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1751319104, now seen corresponding path program 1 times [2025-02-06 18:08:38,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:38,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464733886] [2025-02-06 18:08:38,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:38,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:38,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-06 18:08:38,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-06 18:08:38,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:38,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:08:38,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:38,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464733886] [2025-02-06 18:08:38,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464733886] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:38,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:38,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:08:38,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320534506] [2025-02-06 18:08:38,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:38,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:08:38,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:38,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:08:38,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:08:38,995 INFO L87 Difference]: Start difference. First operand 406 states and 581 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:08:39,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:39,162 INFO L93 Difference]: Finished difference Result 600 states and 861 transitions. [2025-02-06 18:08:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:08:39,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2025-02-06 18:08:39,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:39,164 INFO L225 Difference]: With dead ends: 600 [2025-02-06 18:08:39,164 INFO L226 Difference]: Without dead ends: 409 [2025-02-06 18:08:39,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:08:39,165 INFO L435 NwaCegarLoop]: 505 mSDtfsCounter, 105 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1431 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:39,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1431 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:39,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-02-06 18:08:39,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 406. [2025-02-06 18:08:39,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 394 states have (on average 1.4365482233502538) internal successors, (566), 400 states have internal predecessors, (566), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 18:08:39,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 574 transitions. [2025-02-06 18:08:39,185 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 574 transitions. Word has length 70 [2025-02-06 18:08:39,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:39,185 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 574 transitions. [2025-02-06 18:08:39,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:08:39,185 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 574 transitions. [2025-02-06 18:08:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-02-06 18:08:39,191 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:39,191 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] [2025-02-06 18:08:39,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 18:08:39,191 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)] === [2025-02-06 18:08:39,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:39,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1626779706, now seen corresponding path program 1 times [2025-02-06 18:08:39,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:39,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157240062] [2025-02-06 18:08:39,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:39,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:39,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-06 18:08:39,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-06 18:08:39,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:39,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:08:39,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:39,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157240062] [2025-02-06 18:08:39,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157240062] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:39,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:39,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:08:39,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367390479] [2025-02-06 18:08:39,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:39,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:08:39,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:39,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:08:39,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:08:39,364 INFO L87 Difference]: Start difference. First operand 406 states and 574 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:08:39,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:39,449 INFO L93 Difference]: Finished difference Result 597 states and 844 transitions. [2025-02-06 18:08:39,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:08:39,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2025-02-06 18:08:39,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:39,452 INFO L225 Difference]: With dead ends: 597 [2025-02-06 18:08:39,454 INFO L226 Difference]: Without dead ends: 401 [2025-02-06 18:08:39,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:08:39,455 INFO L435 NwaCegarLoop]: 523 mSDtfsCounter, 0 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1564 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:39,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1564 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:39,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-02-06 18:08:39,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2025-02-06 18:08:39,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 391 states have (on average 1.4373401534526855) internal successors, (562), 396 states have internal predecessors, (562), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 18:08:39,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 568 transitions. [2025-02-06 18:08:39,474 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 568 transitions. Word has length 70 [2025-02-06 18:08:39,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:39,474 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 568 transitions. [2025-02-06 18:08:39,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:08:39,475 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 568 transitions. [2025-02-06 18:08:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-06 18:08:39,479 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:39,479 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] [2025-02-06 18:08:39,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 18:08:39,479 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:39,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:39,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1928002650, now seen corresponding path program 1 times [2025-02-06 18:08:39,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:39,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401946001] [2025-02-06 18:08:39,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:39,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:39,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 18:08:39,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 18:08:39,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:39,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:08:39,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:39,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401946001] [2025-02-06 18:08:39,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401946001] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:39,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:39,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:08:39,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278363532] [2025-02-06 18:08:39,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:39,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:08:39,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:39,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:08:39,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:08:39,590 INFO L87 Difference]: Start difference. First operand 401 states and 568 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:39,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:39,664 INFO L93 Difference]: Finished difference Result 594 states and 840 transitions. [2025-02-06 18:08:39,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:08:39,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 71 [2025-02-06 18:08:39,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:39,666 INFO L225 Difference]: With dead ends: 594 [2025-02-06 18:08:39,666 INFO L226 Difference]: Without dead ends: 401 [2025-02-06 18:08:39,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:08:39,667 INFO L435 NwaCegarLoop]: 518 mSDtfsCounter, 15 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:39,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1011 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:39,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-02-06 18:08:39,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2025-02-06 18:08:39,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 391 states have (on average 1.4271099744245523) internal successors, (558), 396 states have internal predecessors, (558), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 18:08:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 564 transitions. [2025-02-06 18:08:39,676 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 564 transitions. Word has length 71 [2025-02-06 18:08:39,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:39,677 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 564 transitions. [2025-02-06 18:08:39,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:39,677 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 564 transitions. [2025-02-06 18:08:39,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 18:08:39,678 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:39,678 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:39,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 18:08:39,680 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:39,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:39,680 INFO L85 PathProgramCache]: Analyzing trace with hash 2037093655, now seen corresponding path program 1 times [2025-02-06 18:08:39,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:39,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669740256] [2025-02-06 18:08:39,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:39,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:39,726 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 18:08:39,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 18:08:39,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:39,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:39,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:08:39,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:39,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669740256] [2025-02-06 18:08:39,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669740256] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:39,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:39,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:08:39,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521617592] [2025-02-06 18:08:39,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:39,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:08:39,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:39,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:08:39,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:08:39,887 INFO L87 Difference]: Start difference. First operand 401 states and 564 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:40,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:40,001 INFO L93 Difference]: Finished difference Result 751 states and 1052 transitions. [2025-02-06 18:08:40,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:08:40,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2025-02-06 18:08:40,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:40,003 INFO L225 Difference]: With dead ends: 751 [2025-02-06 18:08:40,003 INFO L226 Difference]: Without dead ends: 359 [2025-02-06 18:08:40,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:08:40,004 INFO L435 NwaCegarLoop]: 423 mSDtfsCounter, 30 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:40,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1250 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:40,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-02-06 18:08:40,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2025-02-06 18:08:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 349 states have (on average 1.3782234957020056) internal successors, (481), 354 states have internal predecessors, (481), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 18:08:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 487 transitions. [2025-02-06 18:08:40,012 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 487 transitions. Word has length 81 [2025-02-06 18:08:40,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:40,012 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 487 transitions. [2025-02-06 18:08:40,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 487 transitions. [2025-02-06 18:08:40,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 18:08:40,013 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:40,013 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:40,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 18:08:40,013 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)] === [2025-02-06 18:08:40,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:40,014 INFO L85 PathProgramCache]: Analyzing trace with hash 550237969, now seen corresponding path program 1 times [2025-02-06 18:08:40,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:40,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726557577] [2025-02-06 18:08:40,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:40,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:40,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 18:08:40,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 18:08:40,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:40,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:40,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:08:40,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:40,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726557577] [2025-02-06 18:08:40,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726557577] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:40,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:40,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:08:40,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425433323] [2025-02-06 18:08:40,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:40,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:08:40,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:40,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:08:40,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:08:40,156 INFO L87 Difference]: Start difference. First operand 359 states and 487 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:40,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:40,265 INFO L93 Difference]: Finished difference Result 930 states and 1276 transitions. [2025-02-06 18:08:40,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:08:40,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2025-02-06 18:08:40,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:40,267 INFO L225 Difference]: With dead ends: 930 [2025-02-06 18:08:40,267 INFO L226 Difference]: Without dead ends: 451 [2025-02-06 18:08:40,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:08:40,268 INFO L435 NwaCegarLoop]: 440 mSDtfsCounter, 254 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:40,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 858 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:40,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-02-06 18:08:40,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 449. [2025-02-06 18:08:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 439 states have (on average 1.3712984054669703) internal successors, (602), 444 states have internal predecessors, (602), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 18:08:40,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 608 transitions. [2025-02-06 18:08:40,277 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 608 transitions. Word has length 81 [2025-02-06 18:08:40,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:40,277 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 608 transitions. [2025-02-06 18:08:40,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:08:40,277 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 608 transitions. [2025-02-06 18:08:40,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 18:08:40,278 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:40,278 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:40,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 18:08:40,278 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)] === [2025-02-06 18:08:40,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:40,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1124247079, now seen corresponding path program 1 times [2025-02-06 18:08:40,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:40,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992333447] [2025-02-06 18:08:40,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:40,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:40,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 18:08:40,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 18:08:40,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:40,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:08:40,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:40,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992333447] [2025-02-06 18:08:40,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992333447] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:40,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:40,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:08:40,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028806914] [2025-02-06 18:08:40,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:40,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:08:40,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:40,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:08:40,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:08:40,759 INFO L87 Difference]: Start difference. First operand 449 states and 608 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:41,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:41,046 INFO L93 Difference]: Finished difference Result 706 states and 960 transitions. [2025-02-06 18:08:41,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:08:41,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2025-02-06 18:08:41,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:41,049 INFO L225 Difference]: With dead ends: 706 [2025-02-06 18:08:41,049 INFO L226 Difference]: Without dead ends: 704 [2025-02-06 18:08:41,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:08:41,050 INFO L435 NwaCegarLoop]: 466 mSDtfsCounter, 370 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:41,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 1351 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:08:41,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2025-02-06 18:08:41,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 512. [2025-02-06 18:08:41,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 499 states have (on average 1.3607214428857715) internal successors, (679), 504 states have internal predecessors, (679), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:41,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 691 transitions. [2025-02-06 18:08:41,080 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 691 transitions. Word has length 96 [2025-02-06 18:08:41,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:41,080 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 691 transitions. [2025-02-06 18:08:41,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 691 transitions. [2025-02-06 18:08:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-06 18:08:41,081 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:41,081 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:41,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 18:08:41,081 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:41,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:41,081 INFO L85 PathProgramCache]: Analyzing trace with hash -857787991, now seen corresponding path program 1 times [2025-02-06 18:08:41,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:41,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592642926] [2025-02-06 18:08:41,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:41,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:41,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 18:08:41,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 18:08:41,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:41,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:08:41,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:41,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592642926] [2025-02-06 18:08:41,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592642926] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:08:41,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795047665] [2025-02-06 18:08:41,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:41,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:41,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:41,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:08:41,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 18:08:41,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 18:08:42,015 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 18:08:42,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:42,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:42,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-06 18:08:42,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:42,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-06 18:08:42,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-06 18:08:42,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2025-02-06 18:08:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:08:42,864 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:08:42,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795047665] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:42,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:08:42,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-02-06 18:08:42,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697596311] [2025-02-06 18:08:42,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:42,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 18:08:42,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:42,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 18:08:42,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-06 18:08:42,868 INFO L87 Difference]: Start difference. First operand 512 states and 691 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:44,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:44,841 INFO L93 Difference]: Finished difference Result 1184 states and 1610 transitions. [2025-02-06 18:08:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 18:08:44,842 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2025-02-06 18:08:44,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:44,845 INFO L225 Difference]: With dead ends: 1184 [2025-02-06 18:08:44,845 INFO L226 Difference]: Without dead ends: 718 [2025-02-06 18:08:44,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-06 18:08:44,846 INFO L435 NwaCegarLoop]: 428 mSDtfsCounter, 577 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 2894 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:44,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 2894 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-06 18:08:44,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2025-02-06 18:08:44,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 512. [2025-02-06 18:08:44,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 499 states have (on average 1.3587174348697395) internal successors, (678), 504 states have internal predecessors, (678), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 690 transitions. [2025-02-06 18:08:44,861 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 690 transitions. Word has length 102 [2025-02-06 18:08:44,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:44,861 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 690 transitions. [2025-02-06 18:08:44,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 690 transitions. [2025-02-06 18:08:44,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-06 18:08:44,862 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:44,862 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:44,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 18:08:45,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:45,062 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:45,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:45,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1251803523, now seen corresponding path program 1 times [2025-02-06 18:08:45,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:45,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119596860] [2025-02-06 18:08:45,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:45,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:45,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 18:08:45,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 18:08:45,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:45,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:08:45,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:45,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119596860] [2025-02-06 18:08:45,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119596860] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:08:45,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585028114] [2025-02-06 18:08:45,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:45,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:45,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:45,373 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:08:45,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 18:08:45,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 18:08:45,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 18:08:45,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:45,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:45,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-06 18:08:45,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:45,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-06 18:08:45,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-02-06 18:08:45,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2025-02-06 18:08:46,280 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:08:46,280 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:08:46,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585028114] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:46,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:08:46,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2025-02-06 18:08:46,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077157126] [2025-02-06 18:08:46,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:46,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 18:08:46,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:46,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 18:08:46,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-02-06 18:08:46,281 INFO L87 Difference]: Start difference. First operand 512 states and 690 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:47,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:47,913 INFO L93 Difference]: Finished difference Result 1199 states and 1630 transitions. [2025-02-06 18:08:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-06 18:08:47,913 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2025-02-06 18:08:47,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:47,920 INFO L225 Difference]: With dead ends: 1199 [2025-02-06 18:08:47,920 INFO L226 Difference]: Without dead ends: 738 [2025-02-06 18:08:47,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2025-02-06 18:08:47,925 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 639 mSDsluCounter, 2874 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 3298 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:47,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 3298 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-06 18:08:47,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2025-02-06 18:08:47,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 528. [2025-02-06 18:08:47,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 515 states have (on average 1.3553398058252428) internal successors, (698), 520 states have internal predecessors, (698), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 710 transitions. [2025-02-06 18:08:47,953 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 710 transitions. Word has length 103 [2025-02-06 18:08:47,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:47,953 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 710 transitions. [2025-02-06 18:08:47,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:47,953 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 710 transitions. [2025-02-06 18:08:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 18:08:47,958 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:47,958 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] [2025-02-06 18:08:47,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 18:08:48,159 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,SelfDestructingSolverStorable10 [2025-02-06 18:08:48,159 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:48,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:48,159 INFO L85 PathProgramCache]: Analyzing trace with hash -560904638, now seen corresponding path program 1 times [2025-02-06 18:08:48,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:48,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657448426] [2025-02-06 18:08:48,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:48,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:48,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 18:08:48,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 18:08:48,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:48,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:08:48,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:48,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657448426] [2025-02-06 18:08:48,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657448426] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:48,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:48,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 18:08:48,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857702560] [2025-02-06 18:08:48,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:48,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:08:48,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:48,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:08:48,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:08:48,410 INFO L87 Difference]: Start difference. First operand 528 states and 710 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:48,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:48,709 INFO L93 Difference]: Finished difference Result 1006 states and 1363 transitions. [2025-02-06 18:08:48,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:08:48,710 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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 104 [2025-02-06 18:08:48,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:48,711 INFO L225 Difference]: With dead ends: 1006 [2025-02-06 18:08:48,712 INFO L226 Difference]: Without dead ends: 538 [2025-02-06 18:08:48,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:08:48,713 INFO L435 NwaCegarLoop]: 423 mSDtfsCounter, 14 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:48,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2252 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:08:48,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2025-02-06 18:08:48,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 536. [2025-02-06 18:08:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 523 states have (on average 1.3537284894837476) internal successors, (708), 528 states have internal predecessors, (708), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 720 transitions. [2025-02-06 18:08:48,725 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 720 transitions. Word has length 104 [2025-02-06 18:08:48,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:48,725 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 720 transitions. [2025-02-06 18:08:48,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:48,725 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 720 transitions. [2025-02-06 18:08:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 18:08:48,726 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:48,726 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] [2025-02-06 18:08:48,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 18:08:48,726 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:48,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:48,727 INFO L85 PathProgramCache]: Analyzing trace with hash 927317382, now seen corresponding path program 1 times [2025-02-06 18:08:48,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:48,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715081458] [2025-02-06 18:08:48,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:48,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:48,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 18:08:48,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 18:08:48,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:48,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:48,977 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:08:48,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:48,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715081458] [2025-02-06 18:08:48,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715081458] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:48,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:48,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 18:08:48,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699685216] [2025-02-06 18:08:48,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:48,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 18:08:48,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:48,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 18:08:48,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 18:08:48,978 INFO L87 Difference]: Start difference. First operand 536 states and 720 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:49,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:49,233 INFO L93 Difference]: Finished difference Result 1021 states and 1383 transitions. [2025-02-06 18:08:49,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:08:49,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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 104 [2025-02-06 18:08:49,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:49,236 INFO L225 Difference]: With dead ends: 1021 [2025-02-06 18:08:49,236 INFO L226 Difference]: Without dead ends: 542 [2025-02-06 18:08:49,237 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 [2025-02-06 18:08:49,239 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 9 mSDsluCounter, 1464 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1897 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:49,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1897 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:08:49,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2025-02-06 18:08:49,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2025-02-06 18:08:49,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 529 states have (on average 1.3497164461247637) internal successors, (714), 534 states have internal predecessors, (714), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 726 transitions. [2025-02-06 18:08:49,250 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 726 transitions. Word has length 104 [2025-02-06 18:08:49,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:49,251 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 726 transitions. [2025-02-06 18:08:49,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:49,251 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 726 transitions. [2025-02-06 18:08:49,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-06 18:08:49,252 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:49,252 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:49,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 18:08:49,252 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:49,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:49,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1289106684, now seen corresponding path program 1 times [2025-02-06 18:08:49,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:49,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250546962] [2025-02-06 18:08:49,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:49,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:49,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 18:08:49,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 18:08:49,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:49,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:08:49,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:49,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250546962] [2025-02-06 18:08:49,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250546962] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:08:49,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70101603] [2025-02-06 18:08:49,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:49,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:49,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:49,468 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:08:49,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 18:08:49,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 18:08:49,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 18:08:49,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:49,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:49,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 18:08:49,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:08:49,812 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:08:49,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70101603] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:49,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:08:49,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-06 18:08:49,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249696555] [2025-02-06 18:08:49,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:49,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:08:49,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:49,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:08:49,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:08:49,813 INFO L87 Difference]: Start difference. First operand 542 states and 726 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:50,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:50,115 INFO L93 Difference]: Finished difference Result 1037 states and 1400 transitions. [2025-02-06 18:08:50,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 18:08:50,116 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2025-02-06 18:08:50,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:50,117 INFO L225 Difference]: With dead ends: 1037 [2025-02-06 18:08:50,118 INFO L226 Difference]: Without dead ends: 548 [2025-02-06 18:08:50,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-06 18:08:50,119 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 42 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 2273 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:50,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 2273 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:08:50,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2025-02-06 18:08:50,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 530. [2025-02-06 18:08:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 517 states have (on average 1.3462282398452612) internal successors, (696), 522 states have internal predecessors, (696), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 708 transitions. [2025-02-06 18:08:50,129 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 708 transitions. Word has length 105 [2025-02-06 18:08:50,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:50,129 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 708 transitions. [2025-02-06 18:08:50,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:50,130 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 708 transitions. [2025-02-06 18:08:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-06 18:08:50,130 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:50,130 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:50,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 18:08:50,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-06 18:08:50,331 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:50,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:50,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1320841447, now seen corresponding path program 1 times [2025-02-06 18:08:50,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:50,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396347192] [2025-02-06 18:08:50,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:50,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:50,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 18:08:50,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 18:08:50,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:50,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:08:50,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:50,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396347192] [2025-02-06 18:08:50,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396347192] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:08:50,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634273232] [2025-02-06 18:08:50,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:50,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:50,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:50,665 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:08:50,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 18:08:50,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 18:08:51,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 18:08:51,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:51,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:51,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-06 18:08:51,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:08:51,304 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:08:51,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634273232] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:51,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:08:51,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-06 18:08:51,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764361628] [2025-02-06 18:08:51,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:51,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:08:51,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:51,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:08:51,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:08:51,306 INFO L87 Difference]: Start difference. First operand 530 states and 708 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:51,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:51,724 INFO L93 Difference]: Finished difference Result 1007 states and 1357 transitions. [2025-02-06 18:08:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:08:51,724 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2025-02-06 18:08:51,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:51,727 INFO L225 Difference]: With dead ends: 1007 [2025-02-06 18:08:51,727 INFO L226 Difference]: Without dead ends: 540 [2025-02-06 18:08:51,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:08:51,728 INFO L435 NwaCegarLoop]: 427 mSDtfsCounter, 12 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2233 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:51,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2233 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:08:51,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2025-02-06 18:08:51,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 536. [2025-02-06 18:08:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 523 states have (on average 1.3422562141491396) internal successors, (702), 528 states have internal predecessors, (702), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 714 transitions. [2025-02-06 18:08:51,741 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 714 transitions. Word has length 105 [2025-02-06 18:08:51,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:51,741 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 714 transitions. [2025-02-06 18:08:51,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 714 transitions. [2025-02-06 18:08:51,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-06 18:08:51,742 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:51,742 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:51,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 18:08:51,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-06 18:08:51,946 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 18:08:51,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:51,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1763896440, now seen corresponding path program 1 times [2025-02-06 18:08:51,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:51,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826345777] [2025-02-06 18:08:51,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:51,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:51,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 18:08:51,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 18:08:51,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:51,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:08:52,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:52,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826345777] [2025-02-06 18:08:52,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826345777] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:52,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:08:52,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-06 18:08:52,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425646627] [2025-02-06 18:08:52,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:52,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 18:08:52,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:52,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 18:08:52,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-06 18:08:52,271 INFO L87 Difference]: Start difference. First operand 536 states and 714 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:52,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:52,689 INFO L93 Difference]: Finished difference Result 1036 states and 1393 transitions. [2025-02-06 18:08:52,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 18:08:52,689 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2025-02-06 18:08:52,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:52,691 INFO L225 Difference]: With dead ends: 1036 [2025-02-06 18:08:52,691 INFO L226 Difference]: Without dead ends: 568 [2025-02-06 18:08:52,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-02-06 18:08:52,692 INFO L435 NwaCegarLoop]: 429 mSDtfsCounter, 23 mSDsluCounter, 2639 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3068 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:52,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3068 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:08:52,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2025-02-06 18:08:52,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2025-02-06 18:08:52,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 543 states have (on average 1.3370165745856353) internal successors, (726), 548 states have internal predecessors, (726), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 738 transitions. [2025-02-06 18:08:52,704 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 738 transitions. Word has length 107 [2025-02-06 18:08:52,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:52,704 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 738 transitions. [2025-02-06 18:08:52,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 738 transitions. [2025-02-06 18:08:52,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-06 18:08:52,705 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:52,705 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:52,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 18:08:52,705 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)] === [2025-02-06 18:08:52,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:52,706 INFO L85 PathProgramCache]: Analyzing trace with hash 512152484, now seen corresponding path program 1 times [2025-02-06 18:08:52,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:52,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119838342] [2025-02-06 18:08:52,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:52,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:52,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 18:08:52,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 18:08:52,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:52,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:52,920 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:08:52,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:52,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119838342] [2025-02-06 18:08:52,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119838342] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:08:52,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976695524] [2025-02-06 18:08:52,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:52,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:52,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:52,926 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:08:52,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 18:08:53,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 18:08:53,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 18:08:53,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:53,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:53,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 18:08:53,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:53,437 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:08:53,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:08:53,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976695524] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:53,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:08:53,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-02-06 18:08:53,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839011478] [2025-02-06 18:08:53,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:53,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:08:53,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:53,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:08:53,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:08:53,440 INFO L87 Difference]: Start difference. First operand 556 states and 738 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:53,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:53,811 INFO L93 Difference]: Finished difference Result 1044 states and 1400 transitions. [2025-02-06 18:08:53,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 18:08:53,812 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2025-02-06 18:08:53,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:53,814 INFO L225 Difference]: With dead ends: 1044 [2025-02-06 18:08:53,814 INFO L226 Difference]: Without dead ends: 566 [2025-02-06 18:08:53,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-06 18:08:53,815 INFO L435 NwaCegarLoop]: 428 mSDtfsCounter, 10 mSDsluCounter, 1830 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2258 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:53,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2258 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:08:53,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2025-02-06 18:08:53,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 556. [2025-02-06 18:08:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 543 states have (on average 1.3370165745856353) internal successors, (726), 548 states have internal predecessors, (726), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 18:08:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 738 transitions. [2025-02-06 18:08:53,826 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 738 transitions. Word has length 107 [2025-02-06 18:08:53,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:53,826 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 738 transitions. [2025-02-06 18:08:53,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:08:53,826 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 738 transitions. [2025-02-06 18:08:53,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-06 18:08:53,827 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:53,827 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:53,838 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 [2025-02-06 18:08:54,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:54,028 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)] === [2025-02-06 18:08:54,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:54,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1809565492, now seen corresponding path program 1 times [2025-02-06 18:08:54,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:54,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628340582] [2025-02-06 18:08:54,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:54,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:54,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 18:08:54,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 18:08:54,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:54,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:08:54,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:54,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628340582] [2025-02-06 18:08:54,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628340582] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:08:54,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283035968] [2025-02-06 18:08:54,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:54,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:54,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:54,246 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) [2025-02-06 18:08:54,247 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 [2025-02-06 18:08:54,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 18:08:54,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 18:08:54,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:54,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:54,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 18:08:54,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:08:54,846 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:08:54,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283035968] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:08:54,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:08:54,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-02-06 18:08:54,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802954782] [2025-02-06 18:08:54,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:08:54,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:08:54,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:08:54,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:08:54,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:08:54,847 INFO L87 Difference]: Start difference. First operand 556 states and 738 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 18:08:54,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:08:54,922 INFO L93 Difference]: Finished difference Result 997 states and 1334 transitions. [2025-02-06 18:08:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:08:54,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 108 [2025-02-06 18:08:54,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:08:54,926 INFO L225 Difference]: With dead ends: 997 [2025-02-06 18:08:54,926 INFO L226 Difference]: Without dead ends: 559 [2025-02-06 18:08:54,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:08:54,927 INFO L435 NwaCegarLoop]: 437 mSDtfsCounter, 0 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:08:54,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1307 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:08:54,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2025-02-06 18:08:54,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2025-02-06 18:08:54,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 545 states have (on average 1.3376146788990826) internal successors, (729), 551 states have internal predecessors, (729), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-06 18:08:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 743 transitions. [2025-02-06 18:08:54,939 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 743 transitions. Word has length 108 [2025-02-06 18:08:54,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:08:54,940 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 743 transitions. [2025-02-06 18:08:54,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 18:08:54,940 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 743 transitions. [2025-02-06 18:08:54,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-06 18:08:54,940 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:08:54,941 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:08:54,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 18:08:55,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 18:08:55,145 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)] === [2025-02-06 18:08:55,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:08:55,145 INFO L85 PathProgramCache]: Analyzing trace with hash 2103378808, now seen corresponding path program 1 times [2025-02-06 18:08:55,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:08:55,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528051734] [2025-02-06 18:08:55,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:55,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:08:55,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 18:08:55,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 18:08:55,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:55,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:55,422 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:08:55,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:08:55,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528051734] [2025-02-06 18:08:55,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528051734] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:08:55,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254226480] [2025-02-06 18:08:55,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:08:55,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:08:55,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:08:55,425 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) [2025-02-06 18:08:55,427 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 [2025-02-06 18:08:55,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 18:08:55,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 18:08:55,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:08:55,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:08:55,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 95 conjuncts are in the unsatisfiable core [2025-02-06 18:08:55,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:08:55,912 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 [2025-02-06 18:08:55,994 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2025-02-06 18:08:55,994 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 29 treesize of output 33 [2025-02-06 18:08:56,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-02-06 18:08:56,035 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 22 treesize of output 10 [2025-02-06 18:08:56,114 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2025-02-06 18:08:56,114 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 42 treesize of output 41 [2025-02-06 18:08:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver