./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:13:06,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:13:06,451 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:13:06,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:13:06,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:13:06,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:13:06,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:13:06,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:13:06,468 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:13:06,468 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:13:06,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:13:06,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:13:06,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:13:06,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:13:06,469 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:13:06,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:13:06,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:13:06,469 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:13:06,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:13:06,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:13:06,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:13:06,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:13:06,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:13:06,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:13:06,470 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:13:06,470 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:13:06,470 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:13:06,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:13:06,470 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:13:06,470 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:13:06,470 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:13:06,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:13:06,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:13:06,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:13:06,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:13:06,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:13:06,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:13:06,471 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:13:06,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:13:06,471 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:13:06,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:13:06,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:13:06,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:13:06,471 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:13:06,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:13:06,472 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/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2025-03-17 19:13:06,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:13:06,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:13:06,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:13:06,679 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:13:06,680 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:13:06,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.i [2025-03-17 19:13:07,799 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2d8a68a9/f6ce766108a74867b1f02bc190138f94/FLAG638ea9eff [2025-03-17 19:13:08,182 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:13:08,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.i [2025-03-17 19:13:08,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2d8a68a9/f6ce766108a74867b1f02bc190138f94/FLAG638ea9eff [2025-03-17 19:13:08,372 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2d8a68a9/f6ce766108a74867b1f02bc190138f94 [2025-03-17 19:13:08,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:13:08,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:13:08,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:13:08,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:13:08,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:13:08,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:08,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c714cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08, skipping insertion in model container [2025-03-17 19:13:08,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:08,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:13:08,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:13:08,831 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:13:08,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:13:08,975 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:13:08,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08 WrapperNode [2025-03-17 19:13:08,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:13:08,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:13:08,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:13:08,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:13:08,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:09,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:09,068 INFO L138 Inliner]: procedures = 207, calls = 273, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1406 [2025-03-17 19:13:09,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:13:09,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:13:09,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:13:09,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:13:09,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:09,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:09,085 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:09,144 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 34, 218]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2025-03-17 19:13:09,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:09,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:09,180 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:09,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:09,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:09,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:09,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:13:09,203 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:13:09,203 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:13:09,203 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:13:09,203 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (1/1) ... [2025-03-17 19:13:09,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:13:09,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:09,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 19:13:09,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 19:13:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 19:13:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 19:13:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 19:13:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 19:13:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 19:13:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 19:13:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 19:13:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 19:13:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 19:13:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 19:13:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:13:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:13:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:13:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 19:13:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:13:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:13:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 19:13:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 19:13:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:13:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:13:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:13:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 19:13:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:13:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:13:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 19:13:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:13:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:13:09,407 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:13:09,408 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:13:10,374 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-17 19:13:10,451 INFO L? ?]: Removed 329 outVars from TransFormulas that were not future-live. [2025-03-17 19:13:10,451 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:13:10,496 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:13:10,498 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 19:13:10,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:13:10 BoogieIcfgContainer [2025-03-17 19:13:10,499 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:13:10,501 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:13:10,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:13:10,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:13:10,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:13:08" (1/3) ... [2025-03-17 19:13:10,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cebd864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:13:10, skipping insertion in model container [2025-03-17 19:13:10,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:13:08" (2/3) ... [2025-03-17 19:13:10,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cebd864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:13:10, skipping insertion in model container [2025-03-17 19:13:10,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:13:10" (3/3) ... [2025-03-17 19:13:10,507 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test2-2.i [2025-03-17 19:13:10,518 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:13:10,519 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_OAT_nondet_test2-2.i that has 4 procedures, 412 locations, 1 initial locations, 36 loop locations, and 6 error locations. [2025-03-17 19:13:10,588 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:13:10,595 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;@70760163, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:13:10,595 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-17 19:13:10,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 404 states, 393 states have (on average 1.6259541984732824) internal successors, (639), 399 states have internal predecessors, (639), 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) [2025-03-17 19:13:10,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 19:13:10,603 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:10,603 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:13:10,604 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)] === [2025-03-17 19:13:10,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:10,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1493720370, now seen corresponding path program 1 times [2025-03-17 19:13:10,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:10,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534138101] [2025-03-17 19:13:10,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:10,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:10,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 19:13:10,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 19:13:10,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:10,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:13:10,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:10,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534138101] [2025-03-17 19:13:10,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534138101] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:10,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:10,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:13:10,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357330491] [2025-03-17 19:13:10,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:10,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 19:13:10,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:10,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 19:13:10,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 19:13:10,750 INFO L87 Difference]: Start difference. First operand has 404 states, 393 states have (on average 1.6259541984732824) internal successors, (639), 399 states have internal predecessors, (639), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:13:10,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:10,863 INFO L93 Difference]: Finished difference Result 805 states and 1286 transitions. [2025-03-17 19:13:10,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 19:13:10,864 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-17 19:13:10,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:10,870 INFO L225 Difference]: With dead ends: 805 [2025-03-17 19:13:10,870 INFO L226 Difference]: Without dead ends: 365 [2025-03-17 19:13:10,873 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 [2025-03-17 19:13:10,874 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:10,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 538 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:10,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2025-03-17 19:13:10,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2025-03-17 19:13:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 355 states have (on average 1.4704225352112676) internal successors, (522), 360 states have internal predecessors, (522), 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) [2025-03-17 19:13:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 528 transitions. [2025-03-17 19:13:10,912 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 528 transitions. Word has length 7 [2025-03-17 19:13:10,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:10,912 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 528 transitions. [2025-03-17 19:13:10,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:13:10,913 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 528 transitions. [2025-03-17 19:13:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 19:13:10,913 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:10,913 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:13:10,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:13:10,913 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)] === [2025-03-17 19:13:10,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:10,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1493719409, now seen corresponding path program 1 times [2025-03-17 19:13:10,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:10,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11162869] [2025-03-17 19:13:10,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:10,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:10,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 19:13:10,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 19:13:10,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:10,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 19:13:10,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [584841622] [2025-03-17 19:13:10,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:10,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:10,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:10,971 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:10,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 19:13:11,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 19:13:11,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 19:13:11,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:11,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:11,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 19:13:11,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:11,121 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 [2025-03-17 19:13:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:13:11,147 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:11,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:11,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11162869] [2025-03-17 19:13:11,148 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 19:13:11,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584841622] [2025-03-17 19:13:11,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584841622] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:11,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:11,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:13:11,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218330093] [2025-03-17 19:13:11,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:11,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:13:11,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:11,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:13:11,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:13:11,150 INFO L87 Difference]: Start difference. First operand 365 states and 528 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:13:11,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:11,351 INFO L93 Difference]: Finished difference Result 724 states and 1050 transitions. [2025-03-17 19:13:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:13:11,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-17 19:13:11,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:11,356 INFO L225 Difference]: With dead ends: 724 [2025-03-17 19:13:11,356 INFO L226 Difference]: Without dead ends: 722 [2025-03-17 19:13:11,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:13:11,358 INFO L435 NwaCegarLoop]: 503 mSDtfsCounter, 509 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:11,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 1464 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:13:11,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2025-03-17 19:13:11,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 371. [2025-03-17 19:13:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 361 states have (on average 1.4653739612188366) internal successors, (529), 366 states have internal predecessors, (529), 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) [2025-03-17 19:13:11,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 535 transitions. [2025-03-17 19:13:11,384 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 535 transitions. Word has length 7 [2025-03-17 19:13:11,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:11,384 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 535 transitions. [2025-03-17 19:13:11,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:13:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 535 transitions. [2025-03-17 19:13:11,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-17 19:13:11,385 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:11,385 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] [2025-03-17 19:13:11,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 19:13:11,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:11,590 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:11,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:11,590 INFO L85 PathProgramCache]: Analyzing trace with hash 77519837, now seen corresponding path program 1 times [2025-03-17 19:13:11,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:11,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847549018] [2025-03-17 19:13:11,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:11,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:11,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-17 19:13:11,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-17 19:13:11,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:11,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:11,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:13:11,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:11,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847549018] [2025-03-17 19:13:11,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847549018] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:11,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:11,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:13:11,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429767150] [2025-03-17 19:13:11,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:11,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:13:11,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:11,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:13:11,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:13:11,829 INFO L87 Difference]: Start difference. First operand 371 states and 535 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2025-03-17 19:13:11,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:11,953 INFO L93 Difference]: Finished difference Result 487 states and 702 transitions. [2025-03-17 19:13:11,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 19:13:11,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2025-03-17 19:13:11,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:11,955 INFO L225 Difference]: With dead ends: 487 [2025-03-17 19:13:11,955 INFO L226 Difference]: Without dead ends: 329 [2025-03-17 19:13:11,955 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 [2025-03-17 19:13:11,956 INFO L435 NwaCegarLoop]: 395 mSDtfsCounter, 30 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:11,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1166 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:11,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2025-03-17 19:13:11,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2025-03-17 19:13:11,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 319 states have (on average 1.4169278996865204) internal successors, (452), 324 states have internal predecessors, (452), 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) [2025-03-17 19:13:11,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 458 transitions. [2025-03-17 19:13:11,963 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 458 transitions. Word has length 64 [2025-03-17 19:13:11,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:11,963 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 458 transitions. [2025-03-17 19:13:11,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2025-03-17 19:13:11,963 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 458 transitions. [2025-03-17 19:13:11,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-17 19:13:11,964 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:11,964 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] [2025-03-17 19:13:11,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:13:11,964 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)] === [2025-03-17 19:13:11,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:11,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1113119575, now seen corresponding path program 1 times [2025-03-17 19:13:11,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:11,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181793478] [2025-03-17 19:13:11,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:11,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:11,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-17 19:13:11,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-17 19:13:11,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:11,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:13:12,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:12,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181793478] [2025-03-17 19:13:12,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181793478] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:12,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:12,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:13:12,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736894334] [2025-03-17 19:13:12,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:12,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:13:12,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:12,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:13:12,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:13:12,208 INFO L87 Difference]: Start difference. First operand 329 states and 458 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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) [2025-03-17 19:13:12,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:12,348 INFO L93 Difference]: Finished difference Result 638 states and 894 transitions. [2025-03-17 19:13:12,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:13:12,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2025-03-17 19:13:12,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:12,351 INFO L225 Difference]: With dead ends: 638 [2025-03-17 19:13:12,351 INFO L226 Difference]: Without dead ends: 636 [2025-03-17 19:13:12,351 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 [2025-03-17 19:13:12,352 INFO L435 NwaCegarLoop]: 438 mSDtfsCounter, 370 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:12,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1268 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:12,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2025-03-17 19:13:12,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 443. [2025-03-17 19:13:12,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 433 states have (on average 1.3995381062355658) internal successors, (606), 438 states have internal predecessors, (606), 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) [2025-03-17 19:13:12,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 612 transitions. [2025-03-17 19:13:12,365 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 612 transitions. Word has length 64 [2025-03-17 19:13:12,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:12,365 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 612 transitions. [2025-03-17 19:13:12,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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) [2025-03-17 19:13:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 612 transitions. [2025-03-17 19:13:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 19:13:12,367 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:12,367 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] [2025-03-17 19:13:12,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:13:12,367 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:12,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:12,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1376773406, now seen corresponding path program 1 times [2025-03-17 19:13:12,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:12,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785864969] [2025-03-17 19:13:12,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:12,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:12,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 19:13:12,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 19:13:12,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:12,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:12,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:13:12,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:12,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785864969] [2025-03-17 19:13:12,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785864969] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:12,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:12,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:13:12,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406711074] [2025-03-17 19:13:12,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:12,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:13:12,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:12,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:13:12,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:13:12,573 INFO L87 Difference]: Start difference. First operand 443 states and 612 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2025-03-17 19:13:12,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:12,696 INFO L93 Difference]: Finished difference Result 836 states and 1149 transitions. [2025-03-17 19:13:12,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 19:13:12,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2025-03-17 19:13:12,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:12,699 INFO L225 Difference]: With dead ends: 836 [2025-03-17 19:13:12,699 INFO L226 Difference]: Without dead ends: 401 [2025-03-17 19:13:12,700 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 [2025-03-17 19:13:12,700 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 30 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:12,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 942 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:12,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-03-17 19:13:12,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2025-03-17 19:13:12,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 391 states have (on average 1.3529411764705883) internal successors, (529), 396 states have internal predecessors, (529), 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) [2025-03-17 19:13:12,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 535 transitions. [2025-03-17 19:13:12,717 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 535 transitions. Word has length 79 [2025-03-17 19:13:12,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:12,718 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 535 transitions. [2025-03-17 19:13:12,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2025-03-17 19:13:12,718 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 535 transitions. [2025-03-17 19:13:12,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 19:13:12,725 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:12,725 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] [2025-03-17 19:13:12,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 19:13:12,726 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:12,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:12,726 INFO L85 PathProgramCache]: Analyzing trace with hash 960410710, now seen corresponding path program 1 times [2025-03-17 19:13:12,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:12,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399735254] [2025-03-17 19:13:12,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:12,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:12,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 19:13:12,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 19:13:12,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:12,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:12,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:13:12,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:12,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399735254] [2025-03-17 19:13:12,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399735254] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:12,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:12,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:13:12,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601685709] [2025-03-17 19:13:12,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:12,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:13:12,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:12,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:13:12,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:13:12,893 INFO L87 Difference]: Start difference. First operand 401 states and 535 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2025-03-17 19:13:12,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:12,969 INFO L93 Difference]: Finished difference Result 794 states and 1061 transitions. [2025-03-17 19:13:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:13:12,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 79 [2025-03-17 19:13:12,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:12,971 INFO L225 Difference]: With dead ends: 794 [2025-03-17 19:13:12,971 INFO L226 Difference]: Without dead ends: 401 [2025-03-17 19:13:12,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:13:12,972 INFO L435 NwaCegarLoop]: 333 mSDtfsCounter, 1 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:12,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 644 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:12,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-03-17 19:13:12,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2025-03-17 19:13:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 391 states have (on average 1.3452685421994885) internal successors, (526), 396 states have internal predecessors, (526), 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) [2025-03-17 19:13:12,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 532 transitions. [2025-03-17 19:13:12,982 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 532 transitions. Word has length 79 [2025-03-17 19:13:12,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:12,983 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 532 transitions. [2025-03-17 19:13:12,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2025-03-17 19:13:12,983 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 532 transitions. [2025-03-17 19:13:12,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 19:13:12,984 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:12,984 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] [2025-03-17 19:13:12,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 19:13:12,984 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)] === [2025-03-17 19:13:12,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:12,985 INFO L85 PathProgramCache]: Analyzing trace with hash 231369816, now seen corresponding path program 1 times [2025-03-17 19:13:12,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:12,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597911678] [2025-03-17 19:13:12,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:12,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:13,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 19:13:13,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 19:13:13,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:13,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:13:13,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:13,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597911678] [2025-03-17 19:13:13,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597911678] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:13,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:13,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:13:13,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437501921] [2025-03-17 19:13:13,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:13,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:13:13,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:13,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:13:13,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:13:13,117 INFO L87 Difference]: Start difference. First operand 401 states and 532 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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) [2025-03-17 19:13:13,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:13,204 INFO L93 Difference]: Finished difference Result 1066 states and 1420 transitions. [2025-03-17 19:13:13,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:13:13,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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 79 [2025-03-17 19:13:13,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:13,207 INFO L225 Difference]: With dead ends: 1066 [2025-03-17 19:13:13,207 INFO L226 Difference]: Without dead ends: 673 [2025-03-17 19:13:13,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:13:13,208 INFO L435 NwaCegarLoop]: 337 mSDtfsCounter, 180 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:13,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 661 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:13,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2025-03-17 19:13:13,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 671. [2025-03-17 19:13:13,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 661 states have (on average 1.3434190620272315) internal successors, (888), 666 states have internal predecessors, (888), 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) [2025-03-17 19:13:13,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 894 transitions. [2025-03-17 19:13:13,233 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 894 transitions. Word has length 79 [2025-03-17 19:13:13,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:13,234 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 894 transitions. [2025-03-17 19:13:13,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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) [2025-03-17 19:13:13,234 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 894 transitions. [2025-03-17 19:13:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 19:13:13,235 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:13,235 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] [2025-03-17 19:13:13,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 19:13:13,235 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)] === [2025-03-17 19:13:13,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:13,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1598566081, now seen corresponding path program 1 times [2025-03-17 19:13:13,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:13,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562969877] [2025-03-17 19:13:13,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:13,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:13,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 19:13:13,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 19:13:13,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:13,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:13:13,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:13,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562969877] [2025-03-17 19:13:13,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562969877] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:13,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:13,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:13:13,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156293458] [2025-03-17 19:13:13,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:13,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:13:13,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:13,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:13:13,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:13:13,514 INFO L87 Difference]: Start difference. First operand 671 states and 894 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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) [2025-03-17 19:13:13,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:13,627 INFO L93 Difference]: Finished difference Result 736 states and 979 transitions. [2025-03-17 19:13:13,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:13:13,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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 94 [2025-03-17 19:13:13,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:13,629 INFO L225 Difference]: With dead ends: 736 [2025-03-17 19:13:13,629 INFO L226 Difference]: Without dead ends: 734 [2025-03-17 19:13:13,630 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 [2025-03-17 19:13:13,630 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 259 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:13,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 968 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:13,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2025-03-17 19:13:13,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2025-03-17 19:13:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 721 states have (on average 1.3384188626907074) internal successors, (965), 726 states have internal predecessors, (965), 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) [2025-03-17 19:13:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 977 transitions. [2025-03-17 19:13:13,643 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 977 transitions. Word has length 94 [2025-03-17 19:13:13,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:13,644 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 977 transitions. [2025-03-17 19:13:13,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 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) [2025-03-17 19:13:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 977 transitions. [2025-03-17 19:13:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-17 19:13:13,645 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:13,645 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] [2025-03-17 19:13:13,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 19:13:13,645 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:13,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:13,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1391144560, now seen corresponding path program 1 times [2025-03-17 19:13:13,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:13,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789401857] [2025-03-17 19:13:13,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:13,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:13,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 19:13:13,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 19:13:13,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:13,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:13:13,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:13,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789401857] [2025-03-17 19:13:13,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789401857] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:13,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903730440] [2025-03-17 19:13:13,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:13,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:13,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:13,963 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:13,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 19:13:14,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 19:13:14,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 19:13:14,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:14,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:14,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-17 19:13:14,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:14,210 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 [2025-03-17 19:13:14,223 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 [2025-03-17 19:13:14,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-03-17 19:13:14,836 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:13:14,836 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:14,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903730440] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:14,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:13:14,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-03-17 19:13:14,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42128080] [2025-03-17 19:13:14,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:14,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 19:13:14,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:14,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 19:13:14,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-17 19:13:14,838 INFO L87 Difference]: Start difference. First operand 734 states and 977 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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) [2025-03-17 19:13:15,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:15,984 INFO L93 Difference]: Finished difference Result 1340 states and 1790 transitions. [2025-03-17 19:13:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 19:13:15,985 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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 100 [2025-03-17 19:13:15,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:15,987 INFO L225 Difference]: With dead ends: 1340 [2025-03-17 19:13:15,987 INFO L226 Difference]: Without dead ends: 736 [2025-03-17 19:13:15,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-03-17 19:13:15,988 INFO L435 NwaCegarLoop]: 314 mSDtfsCounter, 457 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 2068 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:15,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 2068 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 19:13:15,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2025-03-17 19:13:16,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 734. [2025-03-17 19:13:16,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 721 states have (on average 1.3370319001386963) internal successors, (964), 726 states have internal predecessors, (964), 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) [2025-03-17 19:13:16,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 976 transitions. [2025-03-17 19:13:16,007 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 976 transitions. Word has length 100 [2025-03-17 19:13:16,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:16,007 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 976 transitions. [2025-03-17 19:13:16,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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) [2025-03-17 19:13:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 976 transitions. [2025-03-17 19:13:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 19:13:16,008 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:16,009 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:13:16,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 19:13:16,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-03-17 19:13:16,213 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)] === [2025-03-17 19:13:16,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:16,214 INFO L85 PathProgramCache]: Analyzing trace with hash 523701961, now seen corresponding path program 1 times [2025-03-17 19:13:16,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:16,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119350958] [2025-03-17 19:13:16,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:16,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:16,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 19:13:16,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 19:13:16,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:16,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:13:16,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:16,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119350958] [2025-03-17 19:13:16,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119350958] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:16,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841333192] [2025-03-17 19:13:16,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:16,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:16,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:16,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:16,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 19:13:16,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 19:13:16,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 19:13:16,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:16,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:16,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-03-17 19:13:16,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:16,743 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 [2025-03-17 19:13:16,783 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 [2025-03-17 19:13:16,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-03-17 19:13:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:13:17,356 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:17,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841333192] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:17,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:13:17,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2025-03-17 19:13:17,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905177481] [2025-03-17 19:13:17,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:17,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 19:13:17,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:17,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 19:13:17,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-03-17 19:13:17,358 INFO L87 Difference]: Start difference. First operand 734 states and 976 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:18,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:18,182 INFO L93 Difference]: Finished difference Result 1351 states and 1806 transitions. [2025-03-17 19:13:18,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 19:13:18,184 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2025-03-17 19:13:18,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:18,186 INFO L225 Difference]: With dead ends: 1351 [2025-03-17 19:13:18,186 INFO L226 Difference]: Without dead ends: 752 [2025-03-17 19:13:18,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2025-03-17 19:13:18,187 INFO L435 NwaCegarLoop]: 349 mSDtfsCounter, 526 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 1615 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:18,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 1615 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 19:13:18,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2025-03-17 19:13:18,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 746. [2025-03-17 19:13:18,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 733 states have (on average 1.3369713506139154) internal successors, (980), 738 states have internal predecessors, (980), 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) [2025-03-17 19:13:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 992 transitions. [2025-03-17 19:13:18,203 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 992 transitions. Word has length 101 [2025-03-17 19:13:18,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:18,203 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 992 transitions. [2025-03-17 19:13:18,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:18,204 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 992 transitions. [2025-03-17 19:13:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-17 19:13:18,206 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:18,206 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] [2025-03-17 19:13:18,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 19:13:18,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:18,407 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)] === [2025-03-17 19:13:18,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:18,408 INFO L85 PathProgramCache]: Analyzing trace with hash 912216809, now seen corresponding path program 1 times [2025-03-17 19:13:18,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:18,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403758064] [2025-03-17 19:13:18,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:18,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:18,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 19:13:18,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 19:13:18,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:18,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:13:18,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:18,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403758064] [2025-03-17 19:13:18,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403758064] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:18,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:18,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 19:13:18,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600649385] [2025-03-17 19:13:18,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:18,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:13:18,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:18,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:13:18,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:13:18,633 INFO L87 Difference]: Start difference. First operand 746 states and 992 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 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) [2025-03-17 19:13:18,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:18,911 INFO L93 Difference]: Finished difference Result 1358 states and 1814 transitions. [2025-03-17 19:13:18,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:13:18,912 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 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 [2025-03-17 19:13:18,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:18,914 INFO L225 Difference]: With dead ends: 1358 [2025-03-17 19:13:18,914 INFO L226 Difference]: Without dead ends: 756 [2025-03-17 19:13:18,915 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 [2025-03-17 19:13:18,915 INFO L435 NwaCegarLoop]: 321 mSDtfsCounter, 14 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1640 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:18,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1640 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 19:13:18,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2025-03-17 19:13:18,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 754. [2025-03-17 19:13:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 741 states have (on average 1.3360323886639676) internal successors, (990), 746 states have internal predecessors, (990), 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) [2025-03-17 19:13:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1002 transitions. [2025-03-17 19:13:18,930 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1002 transitions. Word has length 102 [2025-03-17 19:13:18,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:18,930 INFO L471 AbstractCegarLoop]: Abstraction has 754 states and 1002 transitions. [2025-03-17 19:13:18,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 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) [2025-03-17 19:13:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1002 transitions. [2025-03-17 19:13:18,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-17 19:13:18,931 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:18,931 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] [2025-03-17 19:13:18,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 19:13:18,932 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)] === [2025-03-17 19:13:18,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:18,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1894528467, now seen corresponding path program 1 times [2025-03-17 19:13:18,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:18,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754558109] [2025-03-17 19:13:18,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:18,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:18,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 19:13:18,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 19:13:18,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:18,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:19,153 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:13:19,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:19,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754558109] [2025-03-17 19:13:19,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754558109] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:19,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:13:19,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 19:13:19,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194095705] [2025-03-17 19:13:19,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:19,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:13:19,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:19,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:13:19,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:13:19,155 INFO L87 Difference]: Start difference. First operand 754 states and 1002 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2025-03-17 19:13:19,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:19,392 INFO L93 Difference]: Finished difference Result 1373 states and 1834 transitions. [2025-03-17 19:13:19,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 19:13:19,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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 [2025-03-17 19:13:19,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:19,396 INFO L225 Difference]: With dead ends: 1373 [2025-03-17 19:13:19,396 INFO L226 Difference]: Without dead ends: 760 [2025-03-17 19:13:19,397 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 [2025-03-17 19:13:19,397 INFO L435 NwaCegarLoop]: 331 mSDtfsCounter, 9 mSDsluCounter, 1056 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:19,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1387 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:13:19,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2025-03-17 19:13:19,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2025-03-17 19:13:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 747 states have (on average 1.3333333333333333) internal successors, (996), 752 states have internal predecessors, (996), 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) [2025-03-17 19:13:19,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1008 transitions. [2025-03-17 19:13:19,412 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1008 transitions. Word has length 102 [2025-03-17 19:13:19,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:19,413 INFO L471 AbstractCegarLoop]: Abstraction has 760 states and 1008 transitions. [2025-03-17 19:13:19,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2025-03-17 19:13:19,413 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1008 transitions. [2025-03-17 19:13:19,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-17 19:13:19,414 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:19,414 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] [2025-03-17 19:13:19,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 19:13:19,415 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)] === [2025-03-17 19:13:19,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:19,415 INFO L85 PathProgramCache]: Analyzing trace with hash -2014302622, now seen corresponding path program 1 times [2025-03-17 19:13:19,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:19,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345007954] [2025-03-17 19:13:19,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:19,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:19,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 19:13:19,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 19:13:19,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:19,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:19,638 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:13:19,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:19,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345007954] [2025-03-17 19:13:19,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345007954] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:19,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235912160] [2025-03-17 19:13:19,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:19,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:19,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:19,640 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:19,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 19:13:19,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 19:13:19,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 19:13:19,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:19,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:19,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 19:13:19,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:13:19,959 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:19,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235912160] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:19,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:13:19,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-03-17 19:13:19,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180002074] [2025-03-17 19:13:19,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:19,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:13:19,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:19,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:13:19,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:13:19,960 INFO L87 Difference]: Start difference. First operand 760 states and 1008 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:20,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:20,230 INFO L93 Difference]: Finished difference Result 1387 states and 1849 transitions. [2025-03-17 19:13:20,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 19:13:20,231 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2025-03-17 19:13:20,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:20,233 INFO L225 Difference]: With dead ends: 1387 [2025-03-17 19:13:20,233 INFO L226 Difference]: Without dead ends: 764 [2025-03-17 19:13:20,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-17 19:13:20,234 INFO L435 NwaCegarLoop]: 322 mSDtfsCounter, 42 mSDsluCounter, 1339 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:20,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 1661 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:13:20,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2025-03-17 19:13:20,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 752. [2025-03-17 19:13:20,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 739 states have (on average 1.3288227334235454) internal successors, (982), 744 states have internal predecessors, (982), 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) [2025-03-17 19:13:20,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 994 transitions. [2025-03-17 19:13:20,249 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 994 transitions. Word has length 103 [2025-03-17 19:13:20,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:20,249 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 994 transitions. [2025-03-17 19:13:20,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 994 transitions. [2025-03-17 19:13:20,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-17 19:13:20,250 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:20,250 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] [2025-03-17 19:13:20,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 19:13:20,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:20,451 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)] === [2025-03-17 19:13:20,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:20,452 INFO L85 PathProgramCache]: Analyzing trace with hash 434062242, now seen corresponding path program 1 times [2025-03-17 19:13:20,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:20,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391741717] [2025-03-17 19:13:20,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:20,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:20,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 19:13:20,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 19:13:20,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:20,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:13:20,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:20,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391741717] [2025-03-17 19:13:20,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391741717] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:20,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816499281] [2025-03-17 19:13:20,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:20,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:20,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:20,681 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:20,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 19:13:20,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 19:13:21,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 19:13:21,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:21,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:21,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 19:13:21,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:13:21,170 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:21,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816499281] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:21,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:13:21,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-03-17 19:13:21,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366932129] [2025-03-17 19:13:21,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:21,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:13:21,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:21,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:13:21,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:13:21,171 INFO L87 Difference]: Start difference. First operand 752 states and 994 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2025-03-17 19:13:21,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:21,232 INFO L93 Difference]: Finished difference Result 1318 states and 1748 transitions. [2025-03-17 19:13:21,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:13:21,232 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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 103 [2025-03-17 19:13:21,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:21,236 INFO L225 Difference]: With dead ends: 1318 [2025-03-17 19:13:21,236 INFO L226 Difference]: Without dead ends: 755 [2025-03-17 19:13:21,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:13:21,237 INFO L435 NwaCegarLoop]: 335 mSDtfsCounter, 0 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:21,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1001 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:13:21,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2025-03-17 19:13:21,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2025-03-17 19:13:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 741 states have (on average 1.329284750337382) internal successors, (985), 747 states have internal predecessors, (985), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:13:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 999 transitions. [2025-03-17 19:13:21,251 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 999 transitions. Word has length 103 [2025-03-17 19:13:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:21,251 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 999 transitions. [2025-03-17 19:13:21,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2025-03-17 19:13:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 999 transitions. [2025-03-17 19:13:21,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-17 19:13:21,252 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:21,252 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] [2025-03-17 19:13:21,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 19:13:21,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-17 19:13:21,453 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)] === [2025-03-17 19:13:21,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:21,453 INFO L85 PathProgramCache]: Analyzing trace with hash 87774950, now seen corresponding path program 1 times [2025-03-17 19:13:21,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:21,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039760045] [2025-03-17 19:13:21,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:21,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:21,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 19:13:21,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 19:13:21,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:21,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 19:13:21,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:21,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039760045] [2025-03-17 19:13:21,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039760045] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:21,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212807432] [2025-03-17 19:13:21,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:21,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:21,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:21,777 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:21,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 19:13:21,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 19:13:22,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 19:13:22,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:22,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:22,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-17 19:13:22,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:22,090 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 [2025-03-17 19:13:22,419 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 19:13:22,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:13:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 19:13:22,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212807432] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:13:22,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:13:22,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 9] total 17 [2025-03-17 19:13:22,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120144334] [2025-03-17 19:13:22,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:13:22,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-17 19:13:22,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:22,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-17 19:13:22,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2025-03-17 19:13:22,691 INFO L87 Difference]: Start difference. First operand 755 states and 999 transitions. Second operand has 17 states, 17 states have (on average 11.941176470588236) internal successors, (203), 17 states have internal predecessors, (203), 3 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 19:13:27,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-17 19:13:31,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-17 19:13:35,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-17 19:13:35,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:35,482 INFO L93 Difference]: Finished difference Result 1420 states and 1888 transitions. [2025-03-17 19:13:35,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-17 19:13:35,483 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 11.941176470588236) internal successors, (203), 17 states have internal predecessors, (203), 3 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 105 [2025-03-17 19:13:35,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:35,486 INFO L225 Difference]: With dead ends: 1420 [2025-03-17 19:13:35,486 INFO L226 Difference]: Without dead ends: 852 [2025-03-17 19:13:35,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 196 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=152, Invalid=604, Unknown=0, NotChecked=0, Total=756 [2025-03-17 19:13:35,488 INFO L435 NwaCegarLoop]: 385 mSDtfsCounter, 610 mSDsluCounter, 3463 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 22 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 3848 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:35,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 3848 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 657 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2025-03-17 19:13:35,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2025-03-17 19:13:35,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 839. [2025-03-17 19:13:35,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 820 states have (on average 1.3353658536585367) internal successors, (1095), 826 states have internal predecessors, (1095), 7 states have call successors, (7), 4 states have call predecessors, (7), 6 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2025-03-17 19:13:35,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1116 transitions. [2025-03-17 19:13:35,514 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1116 transitions. Word has length 105 [2025-03-17 19:13:35,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:35,514 INFO L471 AbstractCegarLoop]: Abstraction has 839 states and 1116 transitions. [2025-03-17 19:13:35,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.941176470588236) internal successors, (203), 17 states have internal predecessors, (203), 3 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 19:13:35,514 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1116 transitions. [2025-03-17 19:13:35,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-17 19:13:35,515 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:35,516 INFO L218 NwaCegarLoop]: trace histogram [6, 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] [2025-03-17 19:13:35,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 19:13:35,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-17 19:13:35,717 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)] === [2025-03-17 19:13:35,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:35,717 INFO L85 PathProgramCache]: Analyzing trace with hash -362631902, now seen corresponding path program 2 times [2025-03-17 19:13:35,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:35,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978586128] [2025-03-17 19:13:35,717 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:13:35,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:35,750 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-03-17 19:13:35,891 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 19:13:35,892 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:13:35,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:36,065 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-17 19:13:36,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:36,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978586128] [2025-03-17 19:13:36,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978586128] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:36,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113127513] [2025-03-17 19:13:36,066 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:13:36,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:36,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:36,069 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:36,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 19:13:36,288 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-03-17 19:13:36,297 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 109 statements. [2025-03-17 19:13:36,298 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:13:36,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:36,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 19:13:36,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:13:36,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-17 19:13:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-17 19:13:36,311 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:13:36,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113127513] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:13:36,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:13:36,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2025-03-17 19:13:36,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215772218] [2025-03-17 19:13:36,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:13:36,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:13:36,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:13:36,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:13:36,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:13:36,313 INFO L87 Difference]: Start difference. First operand 839 states and 1116 transitions. Second operand has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:36,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:13:36,366 INFO L93 Difference]: Finished difference Result 839 states and 1116 transitions. [2025-03-17 19:13:36,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:13:36,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 109 [2025-03-17 19:13:36,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:13:36,370 INFO L225 Difference]: With dead ends: 839 [2025-03-17 19:13:36,370 INFO L226 Difference]: Without dead ends: 838 [2025-03-17 19:13:36,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:13:36,371 INFO L435 NwaCegarLoop]: 334 mSDtfsCounter, 1 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 19:13:36,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 666 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 19:13:36,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2025-03-17 19:13:36,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2025-03-17 19:13:36,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 820 states have (on average 1.3341463414634147) internal successors, (1094), 825 states have internal predecessors, (1094), 7 states have call successors, (7), 4 states have call predecessors, (7), 6 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2025-03-17 19:13:36,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1115 transitions. [2025-03-17 19:13:36,393 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1115 transitions. Word has length 109 [2025-03-17 19:13:36,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:13:36,394 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1115 transitions. [2025-03-17 19:13:36,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:13:36,394 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1115 transitions. [2025-03-17 19:13:36,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-17 19:13:36,395 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:13:36,395 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:13:36,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 19:13:36,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:36,596 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:13:36,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:13:36,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1643313577, now seen corresponding path program 1 times [2025-03-17 19:13:36,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:13:36,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204742329] [2025-03-17 19:13:36,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:36,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:13:36,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 19:13:36,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 19:13:36,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:36,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:36,896 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-17 19:13:36,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:13:36,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204742329] [2025-03-17 19:13:36,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204742329] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:13:36,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454169076] [2025-03-17 19:13:36,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:13:36,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:13:36,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:13:36,899 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:13:36,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 19:13:37,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 19:13:37,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 19:13:37,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:13:37,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:13:37,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 19:13:37,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:14:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-17 19:14:04,652 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:14:04,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454169076] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:14:04,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:14:04,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-17 19:14:04,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337049096] [2025-03-17 19:14:04,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:14:04,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:14:04,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:14:04,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:14:04,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2025-03-17 19:14:04,653 INFO L87 Difference]: Start difference. First operand 838 states and 1115 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) [2025-03-17 19:14:08,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-17 19:14:09,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:14:09,545 INFO L93 Difference]: Finished difference Result 1537 states and 2056 transitions. [2025-03-17 19:14:09,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:14:09,545 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 110 [2025-03-17 19:14:09,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:14:09,550 INFO L225 Difference]: With dead ends: 1537 [2025-03-17 19:14:09,550 INFO L226 Difference]: Without dead ends: 848 [2025-03-17 19:14:09,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2025-03-17 19:14:09,552 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 12 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1640 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-03-17 19:14:09,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1640 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2025-03-17 19:14:09,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2025-03-17 19:14:09,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 838. [2025-03-17 19:14:09,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 820 states have (on average 1.3341463414634147) internal successors, (1094), 825 states have internal predecessors, (1094), 7 states have call successors, (7), 4 states have call predecessors, (7), 6 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2025-03-17 19:14:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1115 transitions. [2025-03-17 19:14:09,573 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1115 transitions. Word has length 110 [2025-03-17 19:14:09,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:14:09,573 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1115 transitions. [2025-03-17 19:14:09,573 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) [2025-03-17 19:14:09,573 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1115 transitions. [2025-03-17 19:14:09,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 19:14:09,574 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:14:09,574 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:14:09,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-17 19:14:09,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-17 19:14:09,775 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:14:09,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:14:09,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1912165325, now seen corresponding path program 1 times [2025-03-17 19:14:09,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:14:09,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578953255] [2025-03-17 19:14:09,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:14:09,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:14:09,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 19:14:09,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 19:14:09,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:14:09,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:10,098 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-17 19:14:10,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:14:10,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578953255] [2025-03-17 19:14:10,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578953255] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:14:10,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:14:10,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-17 19:14:10,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809778322] [2025-03-17 19:14:10,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:14:10,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:14:10,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:14:10,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:14:10,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:14:10,101 INFO L87 Difference]: Start difference. First operand 838 states and 1115 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) [2025-03-17 19:14:10,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:14:10,587 INFO L93 Difference]: Finished difference Result 1559 states and 2085 transitions. [2025-03-17 19:14:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 19:14:10,588 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 112 [2025-03-17 19:14:10,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:14:10,590 INFO L225 Difference]: With dead ends: 1559 [2025-03-17 19:14:10,591 INFO L226 Difference]: Without dead ends: 870 [2025-03-17 19:14:10,591 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 [2025-03-17 19:14:10,592 INFO L435 NwaCegarLoop]: 326 mSDtfsCounter, 23 mSDsluCounter, 2161 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2487 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:14:10,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2487 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:14:10,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2025-03-17 19:14:10,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 858. [2025-03-17 19:14:10,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 840 states have (on average 1.3309523809523809) internal successors, (1118), 845 states have internal predecessors, (1118), 7 states have call successors, (7), 4 states have call predecessors, (7), 6 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2025-03-17 19:14:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1139 transitions. [2025-03-17 19:14:10,609 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1139 transitions. Word has length 112 [2025-03-17 19:14:10,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:14:10,609 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1139 transitions. [2025-03-17 19:14:10,609 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) [2025-03-17 19:14:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1139 transitions. [2025-03-17 19:14:10,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 19:14:10,610 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:14:10,611 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:14:10,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-17 19:14:10,611 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:14:10,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:14:10,611 INFO L85 PathProgramCache]: Analyzing trace with hash -340437808, now seen corresponding path program 1 times [2025-03-17 19:14:10,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:14:10,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587969000] [2025-03-17 19:14:10,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:14:10,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:14:10,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 19:14:10,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 19:14:10,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:14:10,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-17 19:14:10,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:14:10,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587969000] [2025-03-17 19:14:10,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587969000] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:14:10,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809977876] [2025-03-17 19:14:10,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:14:10,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:14:10,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:14:10,927 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:14:10,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 19:14:11,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 19:14:11,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 19:14:11,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:14:11,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:11,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-17 19:14:11,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:14:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 19:14:11,434 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:14:15,754 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 9 refuted. 1 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:14:15,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809977876] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:14:15,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:14:15,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 8] total 20 [2025-03-17 19:14:15,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595213147] [2025-03-17 19:14:15,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:14:15,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 19:14:15,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:14:15,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 19:14:15,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=274, Unknown=1, NotChecked=0, Total=380 [2025-03-17 19:14:15,757 INFO L87 Difference]: Start difference. First operand 858 states and 1139 transitions. Second operand has 20 states, 20 states have (on average 6.25) internal successors, (125), 20 states have internal predecessors, (125), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 19:14:16,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:14:16,531 INFO L93 Difference]: Finished difference Result 1490 states and 1991 transitions. [2025-03-17 19:14:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-17 19:14:16,532 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.25) internal successors, (125), 20 states have internal predecessors, (125), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 112 [2025-03-17 19:14:16,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:14:16,534 INFO L225 Difference]: With dead ends: 1490 [2025-03-17 19:14:16,534 INFO L226 Difference]: Without dead ends: 827 [2025-03-17 19:14:16,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=251, Invalid=560, Unknown=1, NotChecked=0, Total=812 [2025-03-17 19:14:16,536 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 30 mSDsluCounter, 2885 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 3209 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:14:16,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 3209 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:14:16,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2025-03-17 19:14:16,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 817. [2025-03-17 19:14:16,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 800 states have (on average 1.33625) internal successors, (1069), 806 states have internal predecessors, (1069), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:14:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1083 transitions. [2025-03-17 19:14:16,555 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1083 transitions. Word has length 112 [2025-03-17 19:14:16,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:14:16,556 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1083 transitions. [2025-03-17 19:14:16,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.25) internal successors, (125), 20 states have internal predecessors, (125), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 19:14:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1083 transitions. [2025-03-17 19:14:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-17 19:14:16,557 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:14:16,557 INFO L218 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:14:16,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 19:14:16,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:14:16,758 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:14:16,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:14:16,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1127591798, now seen corresponding path program 2 times [2025-03-17 19:14:16,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:14:16,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708706928] [2025-03-17 19:14:16,759 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:14:16,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:14:16,800 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 121 statements into 2 equivalence classes. [2025-03-17 19:14:16,942 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 19:14:16,942 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:14:16,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:17,242 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 6 proven. 83 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-17 19:14:17,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:14:17,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708706928] [2025-03-17 19:14:17,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708706928] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:14:17,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213930700] [2025-03-17 19:14:17,242 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:14:17,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:14:17,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:14:17,247 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:14:17,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 19:14:17,535 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 121 statements into 2 equivalence classes. [2025-03-17 19:14:18,145 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 19:14:18,145 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:14:18,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:18,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 19:14:18,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:14:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2025-03-17 19:14:18,690 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:14:18,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213930700] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:14:18,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:14:18,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 19 [2025-03-17 19:14:18,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702705346] [2025-03-17 19:14:18,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:14:18,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 19:14:18,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:14:18,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 19:14:18,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2025-03-17 19:14:18,691 INFO L87 Difference]: Start difference. First operand 817 states and 1083 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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) [2025-03-17 19:14:19,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:14:19,717 INFO L93 Difference]: Finished difference Result 1485 states and 1975 transitions. [2025-03-17 19:14:19,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:14:19,718 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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 121 [2025-03-17 19:14:19,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:14:19,720 INFO L225 Difference]: With dead ends: 1485 [2025-03-17 19:14:19,720 INFO L226 Difference]: Without dead ends: 827 [2025-03-17 19:14:19,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2025-03-17 19:14:19,721 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 11 mSDsluCounter, 2391 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2715 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-17 19:14:19,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2715 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-17 19:14:19,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2025-03-17 19:14:19,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 823. [2025-03-17 19:14:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 806 states have (on average 1.3337468982630274) internal successors, (1075), 812 states have internal predecessors, (1075), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:14:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1089 transitions. [2025-03-17 19:14:19,739 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1089 transitions. Word has length 121 [2025-03-17 19:14:19,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:14:19,739 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1089 transitions. [2025-03-17 19:14:19,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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) [2025-03-17 19:14:19,739 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1089 transitions. [2025-03-17 19:14:19,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-17 19:14:19,740 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:14:19,740 INFO L218 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:14:19,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-17 19:14:19,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:14:19,941 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:14:19,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:14:19,941 INFO L85 PathProgramCache]: Analyzing trace with hash 788879962, now seen corresponding path program 1 times [2025-03-17 19:14:19,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:14:19,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900588496] [2025-03-17 19:14:19,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:14:19,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:14:19,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 19:14:20,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 19:14:20,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:14:20,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 6 proven. 83 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-17 19:14:20,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:14:20,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900588496] [2025-03-17 19:14:20,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900588496] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:14:20,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015876540] [2025-03-17 19:14:20,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:14:20,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:14:20,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:14:20,331 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:14:20,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 19:14:20,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 19:14:21,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 19:14:21,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:14:21,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:21,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-17 19:14:21,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:14:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 75 proven. 15 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 19:14:21,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:14:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 6 proven. 81 refuted. 2 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-17 19:14:29,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015876540] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:14:29,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:14:29,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2025-03-17 19:14:29,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907012402] [2025-03-17 19:14:29,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:14:29,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-17 19:14:29,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:14:29,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-17 19:14:29,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=276, Unknown=2, NotChecked=0, Total=420 [2025-03-17 19:14:29,561 INFO L87 Difference]: Start difference. First operand 823 states and 1089 transitions. Second operand has 21 states, 21 states have (on average 6.0) internal successors, (126), 21 states have internal predecessors, (126), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 19:14:30,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:14:30,305 INFO L93 Difference]: Finished difference Result 1461 states and 1943 transitions. [2025-03-17 19:14:30,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-17 19:14:30,306 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 6.0) internal successors, (126), 21 states have internal predecessors, (126), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 121 [2025-03-17 19:14:30,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:14:30,308 INFO L225 Difference]: With dead ends: 1461 [2025-03-17 19:14:30,308 INFO L226 Difference]: Without dead ends: 837 [2025-03-17 19:14:30,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=367, Invalid=623, Unknown=2, NotChecked=0, Total=992 [2025-03-17 19:14:30,310 INFO L435 NwaCegarLoop]: 335 mSDtfsCounter, 13 mSDsluCounter, 2982 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3317 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:14:30,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3317 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:14:30,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2025-03-17 19:14:30,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2025-03-17 19:14:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 820 states have (on average 1.325609756097561) internal successors, (1087), 826 states have internal predecessors, (1087), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:14:30,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1101 transitions. [2025-03-17 19:14:30,328 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1101 transitions. Word has length 121 [2025-03-17 19:14:30,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:14:30,328 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 1101 transitions. [2025-03-17 19:14:30,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.0) internal successors, (126), 21 states have internal predecessors, (126), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 19:14:30,328 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1101 transitions. [2025-03-17 19:14:30,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-17 19:14:30,329 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:14:30,329 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:14:30,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-17 19:14:30,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-03-17 19:14:30,530 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:14:30,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:14:30,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1499691898, now seen corresponding path program 1 times [2025-03-17 19:14:30,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:14:30,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178963388] [2025-03-17 19:14:30,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:14:30,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:14:30,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-17 19:14:30,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-17 19:14:30,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:14:30,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:30,841 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:14:30,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:14:30,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178963388] [2025-03-17 19:14:30,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178963388] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:14:30,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736738439] [2025-03-17 19:14:30,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:14:30,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:14:30,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:14:30,844 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:14:30,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-17 19:14:31,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-17 19:14:31,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-17 19:14:31,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:14:31,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:31,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 19:14:31,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:14:31,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-17 19:14:31,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2025-03-17 19:14:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:14:31,356 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:14:31,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736738439] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:14:31,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:14:31,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-17 19:14:31,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84443006] [2025-03-17 19:14:31,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:14:31,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 19:14:31,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:14:31,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 19:14:31,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:14:31,357 INFO L87 Difference]: Start difference. First operand 837 states and 1101 transitions. Second operand has 5 states, 4 states have (on average 31.0) internal successors, (124), 5 states have internal predecessors, (124), 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) [2025-03-17 19:14:31,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:14:31,478 INFO L93 Difference]: Finished difference Result 837 states and 1101 transitions. [2025-03-17 19:14:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:14:31,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.0) internal successors, (124), 5 states have internal predecessors, (124), 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 124 [2025-03-17 19:14:31,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:14:31,483 INFO L225 Difference]: With dead ends: 837 [2025-03-17 19:14:31,483 INFO L226 Difference]: Without dead ends: 836 [2025-03-17 19:14:31,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-17 19:14:31,485 INFO L435 NwaCegarLoop]: 360 mSDtfsCounter, 281 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:14:31,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 906 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:14:31,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2025-03-17 19:14:31,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 836. [2025-03-17 19:14:31,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 820 states have (on average 1.3231707317073171) internal successors, (1085), 825 states have internal predecessors, (1085), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:14:31,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1099 transitions. [2025-03-17 19:14:31,503 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1099 transitions. Word has length 124 [2025-03-17 19:14:31,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:14:31,504 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1099 transitions. [2025-03-17 19:14:31,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.0) internal successors, (124), 5 states have internal predecessors, (124), 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) [2025-03-17 19:14:31,504 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1099 transitions. [2025-03-17 19:14:31,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-17 19:14:31,505 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:14:31,505 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:14:31,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-17 19:14:31,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-03-17 19:14:31,709 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:14:31,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:14:31,710 INFO L85 PathProgramCache]: Analyzing trace with hash 754191459, now seen corresponding path program 1 times [2025-03-17 19:14:31,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:14:31,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130003003] [2025-03-17 19:14:31,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:14:31,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:14:31,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-17 19:14:31,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-17 19:14:31,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:14:31,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:14:32,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:14:32,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130003003] [2025-03-17 19:14:32,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130003003] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:14:32,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765432455] [2025-03-17 19:14:32,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:14:32,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:14:32,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:14:32,061 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:14:32,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-17 19:14:32,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-17 19:14:32,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-17 19:14:32,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:14:32,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:32,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 19:14:32,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:14:32,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-17 19:14:32,513 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 36 treesize of output 13 [2025-03-17 19:14:32,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-17 19:14:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:14:32,613 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:14:32,871 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:14:32,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765432455] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:14:32,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:14:32,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2025-03-17 19:14:32,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146116485] [2025-03-17 19:14:32,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:14:32,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 19:14:32,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:14:32,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 19:14:32,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2025-03-17 19:14:32,873 INFO L87 Difference]: Start difference. First operand 836 states and 1099 transitions. Second operand has 13 states, 12 states have (on average 25.75) internal successors, (309), 13 states have internal predecessors, (309), 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) [2025-03-17 19:14:33,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:14:33,295 INFO L93 Difference]: Finished difference Result 1458 states and 1939 transitions. [2025-03-17 19:14:33,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 19:14:33,295 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 25.75) internal successors, (309), 13 states have internal predecessors, (309), 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 125 [2025-03-17 19:14:33,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:14:33,299 INFO L225 Difference]: With dead ends: 1458 [2025-03-17 19:14:33,299 INFO L226 Difference]: Without dead ends: 1457 [2025-03-17 19:14:33,300 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2025-03-17 19:14:33,300 INFO L435 NwaCegarLoop]: 360 mSDtfsCounter, 1560 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 2074 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 19:14:33,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1563 Valid, 2074 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 19:14:33,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2025-03-17 19:14:33,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1457. [2025-03-17 19:14:33,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 1441 states have (on average 1.3317140874392783) internal successors, (1919), 1446 states have internal predecessors, (1919), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-17 19:14:33,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 1933 transitions. [2025-03-17 19:14:33,324 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 1933 transitions. Word has length 125 [2025-03-17 19:14:33,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:14:33,324 INFO L471 AbstractCegarLoop]: Abstraction has 1457 states and 1933 transitions. [2025-03-17 19:14:33,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 25.75) internal successors, (309), 13 states have internal predecessors, (309), 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) [2025-03-17 19:14:33,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1933 transitions. [2025-03-17 19:14:33,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-17 19:14:33,325 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:14:33,326 INFO L218 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:14:33,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-17 19:14:33,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-03-17 19:14:33,526 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:14:33,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:14:33,527 INFO L85 PathProgramCache]: Analyzing trace with hash -627675668, now seen corresponding path program 2 times [2025-03-17 19:14:33,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:14:33,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156219609] [2025-03-17 19:14:33,527 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:14:33,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:14:33,564 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 128 statements into 2 equivalence classes. [2025-03-17 19:14:33,683 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 128 of 128 statements. [2025-03-17 19:14:33,683 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:14:33,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 6 proven. 223 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-17 19:14:34,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:14:34,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156219609] [2025-03-17 19:14:34,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156219609] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:14:34,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423194378] [2025-03-17 19:14:34,343 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:14:34,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:14:34,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:14:34,345 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:14:34,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-17 19:14:34,683 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 128 statements into 2 equivalence classes. [2025-03-17 19:14:35,885 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 128 of 128 statements. [2025-03-17 19:14:35,885 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:14:35,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:14:35,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 183 conjuncts are in the unsatisfiable core [2025-03-17 19:14:35,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:14:35,917 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 [2025-03-17 19:14:36,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-17 19:14:36,148 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2025-03-17 19:14:36,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2025-03-17 19:14:36,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2025-03-17 19:14:36,590 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2025-03-17 19:14:36,590 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 34 treesize of output 33