./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed 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_SAX_test5-1.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 1a17e1f9edfd37607fb472869452b377d4af1281c9808dec0371b4f943952037 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 06:14:55,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:14:55,113 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 06:14:55,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:14:55,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:14:55,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:14:55,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:14:55,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:14:55,145 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:14:55,145 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:14:55,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 06:14:55,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:14:55,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 06:14:55,146 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:14:55,147 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:14:55,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 06:14:55,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 06:14:55,147 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 -> 1a17e1f9edfd37607fb472869452b377d4af1281c9808dec0371b4f943952037 [2025-03-09 06:14:55,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:14:55,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:14:55,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:14:55,396 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:14:55,397 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:14:55,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i [2025-03-09 06:14:56,575 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0733695e/77ae7fe7f3174496b4066329bf6ff4a0/FLAG62c9419cd [2025-03-09 06:14:56,907 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:14:56,908 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i [2025-03-09 06:14:56,926 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0733695e/77ae7fe7f3174496b4066329bf6ff4a0/FLAG62c9419cd [2025-03-09 06:14:57,137 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0733695e/77ae7fe7f3174496b4066329bf6ff4a0 [2025-03-09 06:14:57,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:14:57,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:14:57,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:14:57,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:14:57,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:14:57,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e22f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57, skipping insertion in model container [2025-03-09 06:14:57,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:14:57,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:14:57,552 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:14:57,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:14:57,673 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:14:57,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57 WrapperNode [2025-03-09 06:14:57,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:14:57,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:14:57,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:14:57,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:14:57,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,761 INFO L138 Inliner]: procedures = 177, calls = 375, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1984 [2025-03-09 06:14:57,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:14:57,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:14:57,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:14:57,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:14:57,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,853 INFO L175 MemorySlicer]: Split 349 memory accesses to 3 slices as follows [2, 24, 323]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 83 writes are split as follows [0, 1, 82]. [2025-03-09 06:14:57,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,899 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:14:57,920 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:14:57,920 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:14:57,920 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:14:57,921 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (1/1) ... [2025-03-09 06:14:57,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:14:57,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:14:57,950 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) [2025-03-09 06:14:57,952 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 [2025-03-09 06:14:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-09 06:14:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-09 06:14:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:14:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:14:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 06:14:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 06:14:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 06:14:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:14:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:14:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 06:14:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-09 06:14:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-09 06:14:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-09 06:14:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-09 06:14:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-09 06:14:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-09 06:14:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-09 06:14:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 06:14:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-09 06:14:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-09 06:14:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-09 06:14:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 06:14:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-09 06:14:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-09 06:14:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-09 06:14:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 06:14:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 06:14:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 06:14:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 06:14:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:14:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:14:58,125 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:14:58,126 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:14:59,458 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: call ULTIMATE.dealloc(main_~#j~0#1.base, main_~#j~0#1.offset);havoc main_~#j~0#1.base, main_~#j~0#1.offset; [2025-03-09 06:14:59,581 INFO L? ?]: Removed 491 outVars from TransFormulas that were not future-live. [2025-03-09 06:14:59,582 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:14:59,644 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:14:59,645 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2025-03-09 06:14:59,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:14:59 BoogieIcfgContainer [2025-03-09 06:14:59,645 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:14:59,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 06:14:59,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 06:14:59,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 06:14:59,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 06:14:57" (1/3) ... [2025-03-09 06:14:59,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb7132b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:14:59, skipping insertion in model container [2025-03-09 06:14:59,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:14:57" (2/3) ... [2025-03-09 06:14:59,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb7132b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:14:59, skipping insertion in model container [2025-03-09 06:14:59,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:14:59" (3/3) ... [2025-03-09 06:14:59,656 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test5-1.i [2025-03-09 06:14:59,667 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 06:14:59,669 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_test5-1.i that has 6 procedures, 587 locations, 1 initial locations, 46 loop locations, and 10 error locations. [2025-03-09 06:14:59,730 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:14:59,741 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;@28d04c62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:14:59,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-03-09 06:14:59,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 579 states, 552 states have (on average 1.6268115942028984) internal successors, (898), 569 states have internal predecessors, (898), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-09 06:14:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 06:14:59,752 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:14:59,753 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 06:14:59,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:14:59,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:14:59,758 INFO L85 PathProgramCache]: Analyzing trace with hash 976518152, now seen corresponding path program 1 times [2025-03-09 06:14:59,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:14:59,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241624893] [2025-03-09 06:14:59,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:14:59,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:14:59,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 06:14:59,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 06:14:59,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:14:59,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:14:59,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:14:59,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:14:59,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241624893] [2025-03-09 06:14:59,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241624893] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:14:59,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:14:59,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:14:59,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860206371] [2025-03-09 06:14:59,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:14:59,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 06:14:59,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:14:59,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 06:14:59,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 06:14:59,903 INFO L87 Difference]: Start difference. First operand has 579 states, 552 states have (on average 1.6268115942028984) internal successors, (898), 569 states have internal predecessors, (898), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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) [2025-03-09 06:15:00,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:00,059 INFO L93 Difference]: Finished difference Result 1152 states and 1850 transitions. [2025-03-09 06:15:00,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 06:15:00,061 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2025-03-09 06:15:00,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:00,069 INFO L225 Difference]: With dead ends: 1152 [2025-03-09 06:15:00,072 INFO L226 Difference]: Without dead ends: 569 [2025-03-09 06:15:00,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 06:15:00,081 INFO L435 NwaCegarLoop]: 772 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:00,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 772 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:15:00,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2025-03-09 06:15:00,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 569. [2025-03-09 06:15:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 548 states have (on average 1.4708029197080292) internal successors, (806), 560 states have internal predecessors, (806), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-09 06:15:00,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 828 transitions. [2025-03-09 06:15:00,156 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 828 transitions. Word has length 5 [2025-03-09 06:15:00,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:00,156 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 828 transitions. [2025-03-09 06:15:00,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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) [2025-03-09 06:15:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 828 transitions. [2025-03-09 06:15:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-09 06:15:00,158 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:00,158 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 06:15:00,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 06:15:00,159 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:00,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:00,159 INFO L85 PathProgramCache]: Analyzing trace with hash 207291934, now seen corresponding path program 1 times [2025-03-09 06:15:00,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:00,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801629506] [2025-03-09 06:15:00,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:00,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:00,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:15:00,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:15:00,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:00,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:00,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:15:00,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:00,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801629506] [2025-03-09 06:15:00,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801629506] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:00,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:00,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:15:00,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481253154] [2025-03-09 06:15:00,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:00,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:15:00,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:00,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:15:00,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:15:00,222 INFO L87 Difference]: Start difference. First operand 569 states and 828 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-03-09 06:15:00,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:00,469 INFO L93 Difference]: Finished difference Result 1299 states and 1905 transitions. [2025-03-09 06:15:00,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:15:00,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2025-03-09 06:15:00,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:00,478 INFO L225 Difference]: With dead ends: 1299 [2025-03-09 06:15:00,480 INFO L226 Difference]: Without dead ends: 1120 [2025-03-09 06:15:00,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:15:00,482 INFO L435 NwaCegarLoop]: 839 mSDtfsCounter, 786 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:00,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 1587 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:15:00,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2025-03-09 06:15:00,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 743. [2025-03-09 06:15:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 717 states have (on average 1.4741980474198046) internal successors, (1057), 734 states have internal predecessors, (1057), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-09 06:15:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1089 transitions. [2025-03-09 06:15:00,531 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1089 transitions. Word has length 6 [2025-03-09 06:15:00,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:00,531 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1089 transitions. [2025-03-09 06:15:00,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-03-09 06:15:00,531 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1089 transitions. [2025-03-09 06:15:00,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-03-09 06:15:00,537 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:00,537 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:00,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 06:15:00,537 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:00,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:00,538 INFO L85 PathProgramCache]: Analyzing trace with hash 781132950, now seen corresponding path program 1 times [2025-03-09 06:15:00,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:00,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465239968] [2025-03-09 06:15:00,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:00,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:00,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-09 06:15:00,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-09 06:15:00,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:00,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:15:01,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:01,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465239968] [2025-03-09 06:15:01,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465239968] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:01,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:01,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:15:01,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501897633] [2025-03-09 06:15:01,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:01,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:15:01,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:01,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:15:01,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:15:01,094 INFO L87 Difference]: Start difference. First operand 743 states and 1089 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 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) [2025-03-09 06:15:01,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:01,286 INFO L93 Difference]: Finished difference Result 1482 states and 2174 transitions. [2025-03-09 06:15:01,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:15:01,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 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 147 [2025-03-09 06:15:01,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:01,290 INFO L225 Difference]: With dead ends: 1482 [2025-03-09 06:15:01,290 INFO L226 Difference]: Without dead ends: 746 [2025-03-09 06:15:01,291 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 [2025-03-09 06:15:01,292 INFO L435 NwaCegarLoop]: 738 mSDtfsCounter, 105 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 2130 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:01,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 2130 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:15:01,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2025-03-09 06:15:01,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 743. [2025-03-09 06:15:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 717 states have (on average 1.4644351464435146) internal successors, (1050), 734 states have internal predecessors, (1050), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-09 06:15:01,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1082 transitions. [2025-03-09 06:15:01,319 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1082 transitions. Word has length 147 [2025-03-09 06:15:01,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:01,320 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1082 transitions. [2025-03-09 06:15:01,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 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) [2025-03-09 06:15:01,320 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1082 transitions. [2025-03-09 06:15:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-03-09 06:15:01,325 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:01,325 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:01,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 06:15:01,325 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:01,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:01,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1767330083, now seen corresponding path program 1 times [2025-03-09 06:15:01,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:01,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920852301] [2025-03-09 06:15:01,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:01,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:01,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-09 06:15:01,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-09 06:15:01,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:01,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:15:01,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:01,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920852301] [2025-03-09 06:15:01,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920852301] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:01,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:01,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:15:01,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973079045] [2025-03-09 06:15:01,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:01,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:15:01,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:01,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:15:01,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:15:01,556 INFO L87 Difference]: Start difference. First operand 743 states and 1082 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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) [2025-03-09 06:15:01,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:01,725 INFO L93 Difference]: Finished difference Result 1485 states and 2166 transitions. [2025-03-09 06:15:01,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:15:01,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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 147 [2025-03-09 06:15:01,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:01,729 INFO L225 Difference]: With dead ends: 1485 [2025-03-09 06:15:01,730 INFO L226 Difference]: Without dead ends: 749 [2025-03-09 06:15:01,732 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 [2025-03-09 06:15:01,734 INFO L435 NwaCegarLoop]: 752 mSDtfsCounter, 1 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:01,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1482 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:15:01,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2025-03-09 06:15:01,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2025-03-09 06:15:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 723 states have (on average 1.4605809128630705) internal successors, (1056), 740 states have internal predecessors, (1056), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-09 06:15:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1088 transitions. [2025-03-09 06:15:01,765 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1088 transitions. Word has length 147 [2025-03-09 06:15:01,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:01,766 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 1088 transitions. [2025-03-09 06:15:01,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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) [2025-03-09 06:15:01,767 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1088 transitions. [2025-03-09 06:15:01,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-03-09 06:15:01,768 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:01,768 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:01,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 06:15:01,768 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:01,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:01,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1126243940, now seen corresponding path program 1 times [2025-03-09 06:15:01,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:01,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846948702] [2025-03-09 06:15:01,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:01,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:01,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-09 06:15:01,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-09 06:15:01,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:01,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:01,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:15:01,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:01,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846948702] [2025-03-09 06:15:01,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846948702] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:01,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:01,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:15:01,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132412485] [2025-03-09 06:15:01,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:01,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:15:01,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:01,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:15:01,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:15:01,977 INFO L87 Difference]: Start difference. First operand 749 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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) [2025-03-09 06:15:02,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:02,122 INFO L93 Difference]: Finished difference Result 1622 states and 2360 transitions. [2025-03-09 06:15:02,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:15:02,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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 147 [2025-03-09 06:15:02,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:02,129 INFO L225 Difference]: With dead ends: 1622 [2025-03-09 06:15:02,129 INFO L226 Difference]: Without dead ends: 880 [2025-03-09 06:15:02,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:15:02,131 INFO L435 NwaCegarLoop]: 757 mSDtfsCounter, 134 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:02,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1507 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:15:02,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2025-03-09 06:15:02,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 880. [2025-03-09 06:15:02,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 854 states have (on average 1.459016393442623) internal successors, (1246), 871 states have internal predecessors, (1246), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-09 06:15:02,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1278 transitions. [2025-03-09 06:15:02,153 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1278 transitions. Word has length 147 [2025-03-09 06:15:02,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:02,153 INFO L471 AbstractCegarLoop]: Abstraction has 880 states and 1278 transitions. [2025-03-09 06:15:02,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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) [2025-03-09 06:15:02,154 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1278 transitions. [2025-03-09 06:15:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-09 06:15:02,155 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:02,155 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:02,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 06:15:02,155 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:02,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:02,156 INFO L85 PathProgramCache]: Analyzing trace with hash 2127084929, now seen corresponding path program 1 times [2025-03-09 06:15:02,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:02,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941560006] [2025-03-09 06:15:02,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:02,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:02,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-09 06:15:02,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-09 06:15:02,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:02,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 06:15:02,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:02,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941560006] [2025-03-09 06:15:02,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941560006] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:02,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:02,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:15:02,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479195277] [2025-03-09 06:15:02,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:02,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:15:02,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:02,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:15:02,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:15:02,473 INFO L87 Difference]: Start difference. First operand 880 states and 1278 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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) [2025-03-09 06:15:02,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:02,627 INFO L93 Difference]: Finished difference Result 1580 states and 2293 transitions. [2025-03-09 06:15:02,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 06:15:02,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 162 [2025-03-09 06:15:02,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:02,631 INFO L225 Difference]: With dead ends: 1580 [2025-03-09 06:15:02,631 INFO L226 Difference]: Without dead ends: 838 [2025-03-09 06:15:02,632 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 [2025-03-09 06:15:02,633 INFO L435 NwaCegarLoop]: 666 mSDtfsCounter, 30 mSDsluCounter, 1313 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1979 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:02,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1979 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:15:02,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2025-03-09 06:15:02,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2025-03-09 06:15:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 812 states have (on average 1.4396551724137931) internal successors, (1169), 829 states have internal predecessors, (1169), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-09 06:15:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1201 transitions. [2025-03-09 06:15:02,650 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1201 transitions. Word has length 162 [2025-03-09 06:15:02,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:02,650 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1201 transitions. [2025-03-09 06:15:02,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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) [2025-03-09 06:15:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1201 transitions. [2025-03-09 06:15:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-09 06:15:02,652 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:02,652 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:02,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 06:15:02,652 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:02,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:02,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1379145989, now seen corresponding path program 1 times [2025-03-09 06:15:02,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:02,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629742409] [2025-03-09 06:15:02,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:02,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:02,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-09 06:15:02,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-09 06:15:02,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:02,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:02,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 06:15:02,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:02,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629742409] [2025-03-09 06:15:02,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629742409] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:02,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:02,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:15:02,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342878645] [2025-03-09 06:15:02,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:02,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:15:02,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:02,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:15:02,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:15:02,866 INFO L87 Difference]: Start difference. First operand 838 states and 1201 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2025-03-09 06:15:03,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:03,048 INFO L93 Difference]: Finished difference Result 1854 states and 2662 transitions. [2025-03-09 06:15:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:15:03,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 162 [2025-03-09 06:15:03,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:03,055 INFO L225 Difference]: With dead ends: 1854 [2025-03-09 06:15:03,055 INFO L226 Difference]: Without dead ends: 1154 [2025-03-09 06:15:03,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:15:03,057 INFO L435 NwaCegarLoop]: 859 mSDtfsCounter, 460 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:03,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 1529 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:15:03,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2025-03-09 06:15:03,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1149. [2025-03-09 06:15:03,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1110 states have (on average 1.4396396396396396) internal successors, (1598), 1137 states have internal predecessors, (1598), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-09 06:15:03,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1656 transitions. [2025-03-09 06:15:03,089 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1656 transitions. Word has length 162 [2025-03-09 06:15:03,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:03,089 INFO L471 AbstractCegarLoop]: Abstraction has 1149 states and 1656 transitions. [2025-03-09 06:15:03,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2025-03-09 06:15:03,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1656 transitions. [2025-03-09 06:15:03,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-03-09 06:15:03,091 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:03,091 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:03,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 06:15:03,091 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:03,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:03,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1744470473, now seen corresponding path program 1 times [2025-03-09 06:15:03,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:03,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785189519] [2025-03-09 06:15:03,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:03,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:03,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-09 06:15:03,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-09 06:15:03,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:03,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:03,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:03,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785189519] [2025-03-09 06:15:03,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785189519] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:03,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:03,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:15:03,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969999367] [2025-03-09 06:15:03,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:03,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:15:03,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:03,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:15:03,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:15:03,384 INFO L87 Difference]: Start difference. First operand 1149 states and 1656 transitions. Second operand has 4 states, 3 states have (on average 53.333333333333336) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:03,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:03,576 INFO L93 Difference]: Finished difference Result 1216 states and 1741 transitions. [2025-03-09 06:15:03,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:15:03,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 53.333333333333336) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 177 [2025-03-09 06:15:03,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:03,581 INFO L225 Difference]: With dead ends: 1216 [2025-03-09 06:15:03,581 INFO L226 Difference]: Without dead ends: 1214 [2025-03-09 06:15:03,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:15:03,582 INFO L435 NwaCegarLoop]: 711 mSDtfsCounter, 538 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 2085 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:03,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 2085 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:15:03,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2025-03-09 06:15:03,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1212. [2025-03-09 06:15:03,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 1170 states have (on average 1.4316239316239316) internal successors, (1675), 1197 states have internal predecessors, (1675), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1739 transitions. [2025-03-09 06:15:03,607 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1739 transitions. Word has length 177 [2025-03-09 06:15:03,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:03,608 INFO L471 AbstractCegarLoop]: Abstraction has 1212 states and 1739 transitions. [2025-03-09 06:15:03,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 53.333333333333336) internal successors, (160), 4 states have internal predecessors, (160), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:03,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1739 transitions. [2025-03-09 06:15:03,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-03-09 06:15:03,609 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:03,609 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:03,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 06:15:03,610 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:03,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:03,610 INFO L85 PathProgramCache]: Analyzing trace with hash -943729573, now seen corresponding path program 1 times [2025-03-09 06:15:03,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:03,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174192222] [2025-03-09 06:15:03,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:03,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:03,660 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-09 06:15:04,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-09 06:15:04,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:04,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:04,528 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 06:15:04,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:04,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174192222] [2025-03-09 06:15:04,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174192222] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:15:04,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744915607] [2025-03-09 06:15:04,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:04,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:04,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:15:04,531 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) [2025-03-09 06:15:04,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 06:15:04,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-09 06:15:05,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-09 06:15:05,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:05,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:05,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-09 06:15:05,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:15:05,066 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 [2025-03-09 06:15:05,083 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 [2025-03-09 06:15:05,483 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:15:05,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2025-03-09 06:15:05,659 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:05,659 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:15:05,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744915607] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:05,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:15:05,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-03-09 06:15:05,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951557970] [2025-03-09 06:15:05,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:05,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:15:05,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:05,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:15:05,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-09 06:15:05,660 INFO L87 Difference]: Start difference. First operand 1212 states and 1739 transitions. Second operand has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:08,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:08,903 INFO L93 Difference]: Finished difference Result 2371 states and 3396 transitions. [2025-03-09 06:15:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:15:08,904 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2025-03-09 06:15:08,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:08,908 INFO L225 Difference]: With dead ends: 2371 [2025-03-09 06:15:08,908 INFO L226 Difference]: Without dead ends: 1250 [2025-03-09 06:15:08,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2025-03-09 06:15:08,910 INFO L435 NwaCegarLoop]: 701 mSDtfsCounter, 955 mSDsluCounter, 4409 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 5110 SdHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:08,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 5110 Invalid, 1912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-09 06:15:08,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2025-03-09 06:15:08,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1243. [2025-03-09 06:15:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 1201 states have (on average 1.424646128226478) internal successors, (1711), 1228 states have internal predecessors, (1711), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:08,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1775 transitions. [2025-03-09 06:15:08,938 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1775 transitions. Word has length 183 [2025-03-09 06:15:08,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:08,938 INFO L471 AbstractCegarLoop]: Abstraction has 1243 states and 1775 transitions. [2025-03-09 06:15:08,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.090909090909092) internal successors, (166), 11 states have internal predecessors, (166), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:08,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1775 transitions. [2025-03-09 06:15:08,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-09 06:15:08,940 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:08,941 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:08,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-09 06:15:09,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:09,142 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:09,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:09,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1139593218, now seen corresponding path program 1 times [2025-03-09 06:15:09,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:09,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252890556] [2025-03-09 06:15:09,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:09,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:09,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-09 06:15:09,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-09 06:15:09,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:09,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 06:15:10,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:10,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252890556] [2025-03-09 06:15:10,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252890556] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:15:10,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773311276] [2025-03-09 06:15:10,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:10,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:10,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:15:10,200 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) [2025-03-09 06:15:10,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 06:15:10,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-09 06:15:10,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-09 06:15:10,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:10,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:10,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-09 06:15:10,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:15:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:10,756 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:15:10,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773311276] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:10,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:15:10,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-03-09 06:15:10,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372973980] [2025-03-09 06:15:10,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:10,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:15:10,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:10,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:15:10,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:15:10,758 INFO L87 Difference]: Start difference. First operand 1243 states and 1775 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:10,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:10,988 INFO L93 Difference]: Finished difference Result 2413 states and 3453 transitions. [2025-03-09 06:15:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:15:10,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184 [2025-03-09 06:15:10,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:10,995 INFO L225 Difference]: With dead ends: 2413 [2025-03-09 06:15:10,996 INFO L226 Difference]: Without dead ends: 1292 [2025-03-09 06:15:10,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:15:10,998 INFO L435 NwaCegarLoop]: 676 mSDtfsCounter, 17 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:10,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1862 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:15:11,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2025-03-09 06:15:11,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1276. [2025-03-09 06:15:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1234 states have (on average 1.4181523500810373) internal successors, (1750), 1261 states have internal predecessors, (1750), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1814 transitions. [2025-03-09 06:15:11,030 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1814 transitions. Word has length 184 [2025-03-09 06:15:11,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:11,030 INFO L471 AbstractCegarLoop]: Abstraction has 1276 states and 1814 transitions. [2025-03-09 06:15:11,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1814 transitions. [2025-03-09 06:15:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2025-03-09 06:15:11,032 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:11,032 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:11,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-09 06:15:11,233 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,SelfDestructingSolverStorable9 [2025-03-09 06:15:11,234 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:11,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:11,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1537409368, now seen corresponding path program 1 times [2025-03-09 06:15:11,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:11,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299639402] [2025-03-09 06:15:11,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:11,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:11,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-03-09 06:15:11,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-03-09 06:15:11,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:11,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:11,600 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:11,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:11,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299639402] [2025-03-09 06:15:11,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299639402] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:11,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:11,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 06:15:11,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694693548] [2025-03-09 06:15:11,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:11,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:15:11,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:11,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:15:11,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:15:11,601 INFO L87 Difference]: Start difference. First operand 1276 states and 1814 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:12,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:12,104 INFO L93 Difference]: Finished difference Result 2438 states and 3478 transitions. [2025-03-09 06:15:12,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 06:15:12,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2025-03-09 06:15:12,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:12,109 INFO L225 Difference]: With dead ends: 2438 [2025-03-09 06:15:12,109 INFO L226 Difference]: Without dead ends: 1288 [2025-03-09 06:15:12,110 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 [2025-03-09 06:15:12,111 INFO L435 NwaCegarLoop]: 675 mSDtfsCounter, 8 mSDsluCounter, 2228 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2903 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:12,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2903 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 06:15:12,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2025-03-09 06:15:12,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1284. [2025-03-09 06:15:12,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1284 states, 1242 states have (on average 1.4170692431561998) internal successors, (1760), 1269 states have internal predecessors, (1760), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:12,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1824 transitions. [2025-03-09 06:15:12,135 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1824 transitions. Word has length 185 [2025-03-09 06:15:12,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:12,135 INFO L471 AbstractCegarLoop]: Abstraction has 1284 states and 1824 transitions. [2025-03-09 06:15:12,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:12,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1824 transitions. [2025-03-09 06:15:12,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-03-09 06:15:12,137 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:12,137 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:12,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-09 06:15:12,137 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:12,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:12,138 INFO L85 PathProgramCache]: Analyzing trace with hash 575335806, now seen corresponding path program 1 times [2025-03-09 06:15:12,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:12,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542738676] [2025-03-09 06:15:12,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:12,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:12,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-09 06:15:12,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-09 06:15:12,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:12,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:12,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:12,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542738676] [2025-03-09 06:15:12,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542738676] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:12,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:12,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:15:12,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417137425] [2025-03-09 06:15:12,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:12,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:15:12,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:12,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:15:12,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-09 06:15:12,458 INFO L87 Difference]: Start difference. First operand 1284 states and 1824 transitions. Second operand has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:12,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:12,993 INFO L93 Difference]: Finished difference Result 2453 states and 3498 transitions. [2025-03-09 06:15:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 06:15:12,994 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 186 [2025-03-09 06:15:12,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:13,000 INFO L225 Difference]: With dead ends: 2453 [2025-03-09 06:15:13,000 INFO L226 Difference]: Without dead ends: 1306 [2025-03-09 06:15:13,002 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 [2025-03-09 06:15:13,002 INFO L435 NwaCegarLoop]: 667 mSDtfsCounter, 12 mSDsluCounter, 2788 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3455 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:13,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3455 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 06:15:13,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2025-03-09 06:15:13,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1300. [2025-03-09 06:15:13,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 1258 states have (on average 1.4165341812400636) internal successors, (1782), 1285 states have internal predecessors, (1782), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:13,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1846 transitions. [2025-03-09 06:15:13,030 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1846 transitions. Word has length 186 [2025-03-09 06:15:13,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:13,030 INFO L471 AbstractCegarLoop]: Abstraction has 1300 states and 1846 transitions. [2025-03-09 06:15:13,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1846 transitions. [2025-03-09 06:15:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-03-09 06:15:13,032 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:13,032 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:13,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-09 06:15:13,033 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:13,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:13,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1871200093, now seen corresponding path program 1 times [2025-03-09 06:15:13,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:13,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130864468] [2025-03-09 06:15:13,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:13,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:13,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-09 06:15:13,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-09 06:15:13,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:13,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:13,494 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 06:15:13,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:13,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130864468] [2025-03-09 06:15:13,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130864468] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:15:13,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793557363] [2025-03-09 06:15:13,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:13,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:13,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:15:13,497 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) [2025-03-09 06:15:13,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 06:15:13,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-09 06:15:13,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-09 06:15:13,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:13,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:14,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 06:15:14,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:15:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:14,190 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:15:14,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793557363] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:14,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:15:14,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-03-09 06:15:14,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748775915] [2025-03-09 06:15:14,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:14,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:15:14,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:14,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:15:14,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:15:14,192 INFO L87 Difference]: Start difference. First operand 1300 states and 1846 transitions. Second operand has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:14,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:14,786 INFO L93 Difference]: Finished difference Result 2469 states and 3519 transitions. [2025-03-09 06:15:14,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 06:15:14,786 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 186 [2025-03-09 06:15:14,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:14,790 INFO L225 Difference]: With dead ends: 2469 [2025-03-09 06:15:14,791 INFO L226 Difference]: Without dead ends: 1314 [2025-03-09 06:15:14,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:15:14,793 INFO L435 NwaCegarLoop]: 672 mSDtfsCounter, 12 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3461 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:14,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3461 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 06:15:14,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2025-03-09 06:15:14,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1300. [2025-03-09 06:15:14,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 1258 states have (on average 1.4165341812400636) internal successors, (1782), 1285 states have internal predecessors, (1782), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1846 transitions. [2025-03-09 06:15:14,819 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1846 transitions. Word has length 186 [2025-03-09 06:15:14,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:14,819 INFO L471 AbstractCegarLoop]: Abstraction has 1300 states and 1846 transitions. [2025-03-09 06:15:14,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1846 transitions. [2025-03-09 06:15:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-03-09 06:15:14,822 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:14,822 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:14,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 06:15:15,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:15,023 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:15,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:15,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1897196751, now seen corresponding path program 1 times [2025-03-09 06:15:15,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:15,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303610363] [2025-03-09 06:15:15,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:15,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:15,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-03-09 06:15:15,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-03-09 06:15:15,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:15,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:15,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:15,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303610363] [2025-03-09 06:15:15,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303610363] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:15,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:15,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-09 06:15:15,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282626277] [2025-03-09 06:15:15,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:15,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:15:15,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:15,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:15:15,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:15:15,369 INFO L87 Difference]: Start difference. First operand 1300 states and 1846 transitions. Second operand has 9 states, 9 states have (on average 18.88888888888889) internal successors, (170), 9 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:15,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:15,877 INFO L93 Difference]: Finished difference Result 2476 states and 3525 transitions. [2025-03-09 06:15:15,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 06:15:15,877 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.88888888888889) internal successors, (170), 9 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 187 [2025-03-09 06:15:15,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:15,882 INFO L225 Difference]: With dead ends: 2476 [2025-03-09 06:15:15,882 INFO L226 Difference]: Without dead ends: 1326 [2025-03-09 06:15:15,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:15:15,884 INFO L435 NwaCegarLoop]: 667 mSDtfsCounter, 20 mSDsluCounter, 2927 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3594 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:15,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 3594 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 06:15:15,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2025-03-09 06:15:15,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1314. [2025-03-09 06:15:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1272 states have (on average 1.4150943396226414) internal successors, (1800), 1299 states have internal predecessors, (1800), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:15,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1864 transitions. [2025-03-09 06:15:15,908 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1864 transitions. Word has length 187 [2025-03-09 06:15:15,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:15,908 INFO L471 AbstractCegarLoop]: Abstraction has 1314 states and 1864 transitions. [2025-03-09 06:15:15,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.88888888888889) internal successors, (170), 9 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:15,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1864 transitions. [2025-03-09 06:15:15,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-03-09 06:15:15,911 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:15,911 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:15,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 06:15:15,911 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:15,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:15,912 INFO L85 PathProgramCache]: Analyzing trace with hash -380109518, now seen corresponding path program 1 times [2025-03-09 06:15:15,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:15,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125751339] [2025-03-09 06:15:15,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:15,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:15,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-03-09 06:15:16,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-03-09 06:15:16,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:16,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:16,549 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 06:15:16,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:16,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125751339] [2025-03-09 06:15:16,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125751339] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:15:16,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283443765] [2025-03-09 06:15:16,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:16,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:16,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:15:16,552 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) [2025-03-09 06:15:16,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 06:15:16,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-03-09 06:15:17,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-03-09 06:15:17,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:17,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:17,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-09 06:15:17,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:15:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:17,179 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:15:17,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283443765] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:17,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:15:17,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2025-03-09 06:15:17,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385811601] [2025-03-09 06:15:17,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:17,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:15:17,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:17,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:15:17,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:15:17,181 INFO L87 Difference]: Start difference. First operand 1314 states and 1864 transitions. Second operand has 8 states, 8 states have (on average 21.25) internal successors, (170), 8 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:17,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:17,918 INFO L93 Difference]: Finished difference Result 2497 states and 3552 transitions. [2025-03-09 06:15:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 06:15:17,918 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 8 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 187 [2025-03-09 06:15:17,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:17,922 INFO L225 Difference]: With dead ends: 2497 [2025-03-09 06:15:17,923 INFO L226 Difference]: Without dead ends: 1340 [2025-03-09 06:15:17,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:15:17,925 INFO L435 NwaCegarLoop]: 675 mSDtfsCounter, 17 mSDsluCounter, 3378 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 4053 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:17,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 4053 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-09 06:15:17,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2025-03-09 06:15:17,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1324. [2025-03-09 06:15:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 1282 states have (on average 1.4134165366614664) internal successors, (1812), 1309 states have internal predecessors, (1812), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1876 transitions. [2025-03-09 06:15:17,945 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1876 transitions. Word has length 187 [2025-03-09 06:15:17,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:17,945 INFO L471 AbstractCegarLoop]: Abstraction has 1324 states and 1876 transitions. [2025-03-09 06:15:17,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 8 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1876 transitions. [2025-03-09 06:15:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-03-09 06:15:17,947 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:17,947 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:17,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 06:15:18,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-09 06:15:18,148 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:18,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:18,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1138533175, now seen corresponding path program 1 times [2025-03-09 06:15:18,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:18,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064946334] [2025-03-09 06:15:18,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:18,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:18,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-09 06:15:18,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-09 06:15:18,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:18,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:18,534 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:18,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:18,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064946334] [2025-03-09 06:15:18,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064946334] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:18,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:18,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:15:18,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575523363] [2025-03-09 06:15:18,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:18,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:15:18,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:18,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:15:18,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:15:18,536 INFO L87 Difference]: Start difference. First operand 1324 states and 1876 transitions. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:19,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:19,094 INFO L93 Difference]: Finished difference Result 2509 states and 3568 transitions. [2025-03-09 06:15:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:15:19,095 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2025-03-09 06:15:19,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:19,100 INFO L225 Difference]: With dead ends: 2509 [2025-03-09 06:15:19,100 INFO L226 Difference]: Without dead ends: 1342 [2025-03-09 06:15:19,102 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 [2025-03-09 06:15:19,102 INFO L435 NwaCegarLoop]: 673 mSDtfsCounter, 26 mSDsluCounter, 3959 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 4632 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:19,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 4632 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 06:15:19,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2025-03-09 06:15:19,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1330. [2025-03-09 06:15:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 1288 states have (on average 1.4114906832298137) internal successors, (1818), 1315 states have internal predecessors, (1818), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:19,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1882 transitions. [2025-03-09 06:15:19,126 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1882 transitions. Word has length 188 [2025-03-09 06:15:19,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:19,126 INFO L471 AbstractCegarLoop]: Abstraction has 1330 states and 1882 transitions. [2025-03-09 06:15:19,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:19,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1882 transitions. [2025-03-09 06:15:19,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-03-09 06:15:19,128 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:19,128 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:19,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-09 06:15:19,128 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:19,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:19,129 INFO L85 PathProgramCache]: Analyzing trace with hash 923597142, now seen corresponding path program 1 times [2025-03-09 06:15:19,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:19,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837892767] [2025-03-09 06:15:19,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:19,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:19,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-09 06:15:19,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-09 06:15:19,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:19,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:19,494 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 06:15:19,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:19,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837892767] [2025-03-09 06:15:19,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837892767] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:15:19,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784341152] [2025-03-09 06:15:19,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:19,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:19,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:15:19,497 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) [2025-03-09 06:15:19,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 06:15:19,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-09 06:15:20,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-09 06:15:20,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:20,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:20,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 06:15:20,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:15:20,155 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-09 06:15:20,156 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:15:20,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784341152] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:20,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:15:20,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2025-03-09 06:15:20,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782154420] [2025-03-09 06:15:20,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:20,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-09 06:15:20,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:20,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-09 06:15:20,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:15:20,158 INFO L87 Difference]: Start difference. First operand 1330 states and 1882 transitions. Second operand has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:15:20,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:20,493 INFO L93 Difference]: Finished difference Result 2389 states and 3407 transitions. [2025-03-09 06:15:20,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 06:15:20,494 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 188 [2025-03-09 06:15:20,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:20,498 INFO L225 Difference]: With dead ends: 2389 [2025-03-09 06:15:20,498 INFO L226 Difference]: Without dead ends: 1352 [2025-03-09 06:15:20,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:15:20,499 INFO L435 NwaCegarLoop]: 666 mSDtfsCounter, 30 mSDsluCounter, 2485 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:20,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 3151 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 06:15:20,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2025-03-09 06:15:20,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1344. [2025-03-09 06:15:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 1302 states have (on average 1.4086021505376345) internal successors, (1834), 1329 states have internal predecessors, (1834), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1898 transitions. [2025-03-09 06:15:20,520 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1898 transitions. Word has length 188 [2025-03-09 06:15:20,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:20,521 INFO L471 AbstractCegarLoop]: Abstraction has 1344 states and 1898 transitions. [2025-03-09 06:15:20,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:15:20,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1898 transitions. [2025-03-09 06:15:20,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-03-09 06:15:20,522 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:20,522 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:20,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-09 06:15:20,723 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,SelfDestructingSolverStorable16 [2025-03-09 06:15:20,723 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:20,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:20,724 INFO L85 PathProgramCache]: Analyzing trace with hash -2143450586, now seen corresponding path program 1 times [2025-03-09 06:15:20,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:20,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093328207] [2025-03-09 06:15:20,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:20,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:20,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-09 06:15:20,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-09 06:15:20,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:20,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:21,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:21,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093328207] [2025-03-09 06:15:21,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093328207] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:21,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:21,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 06:15:21,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673618003] [2025-03-09 06:15:21,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:21,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:15:21,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:21,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:15:21,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:15:21,100 INFO L87 Difference]: Start difference. First operand 1344 states and 1898 transitions. Second operand has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:15:21,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:21,466 INFO L93 Difference]: Finished difference Result 2383 states and 3390 transitions. [2025-03-09 06:15:21,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 06:15:21,466 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 189 [2025-03-09 06:15:21,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:21,470 INFO L225 Difference]: With dead ends: 2383 [2025-03-09 06:15:21,470 INFO L226 Difference]: Without dead ends: 1340 [2025-03-09 06:15:21,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-09 06:15:21,472 INFO L435 NwaCegarLoop]: 673 mSDtfsCounter, 13 mSDsluCounter, 2420 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3093 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:21,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3093 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 06:15:21,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2025-03-09 06:15:21,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1338. [2025-03-09 06:15:21,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 1296 states have (on average 1.4074074074074074) internal successors, (1824), 1323 states have internal predecessors, (1824), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:21,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1888 transitions. [2025-03-09 06:15:21,494 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1888 transitions. Word has length 189 [2025-03-09 06:15:21,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:21,495 INFO L471 AbstractCegarLoop]: Abstraction has 1338 states and 1888 transitions. [2025-03-09 06:15:21,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:15:21,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1888 transitions. [2025-03-09 06:15:21,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-03-09 06:15:21,497 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:21,497 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:21,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-09 06:15:21,498 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:21,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:21,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1521812915, now seen corresponding path program 1 times [2025-03-09 06:15:21,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:21,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908935512] [2025-03-09 06:15:21,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:21,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:21,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-09 06:15:21,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-09 06:15:21,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:21,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:21,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:21,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908935512] [2025-03-09 06:15:21,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908935512] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:21,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:21,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 06:15:21,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924204659] [2025-03-09 06:15:21,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:21,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:15:21,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:21,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:15:21,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:15:21,883 INFO L87 Difference]: Start difference. First operand 1338 states and 1888 transitions. Second operand has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:15:22,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:22,183 INFO L93 Difference]: Finished difference Result 2382 states and 3387 transitions. [2025-03-09 06:15:22,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 06:15:22,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 190 [2025-03-09 06:15:22,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:22,188 INFO L225 Difference]: With dead ends: 2382 [2025-03-09 06:15:22,188 INFO L226 Difference]: Without dead ends: 1344 [2025-03-09 06:15:22,189 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 [2025-03-09 06:15:22,189 INFO L435 NwaCegarLoop]: 675 mSDtfsCounter, 8 mSDsluCounter, 2436 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3111 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:22,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3111 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 06:15:22,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2025-03-09 06:15:22,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1344. [2025-03-09 06:15:22,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 1302 states have (on average 1.4055299539170507) internal successors, (1830), 1329 states have internal predecessors, (1830), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:22,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1894 transitions. [2025-03-09 06:15:22,208 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1894 transitions. Word has length 190 [2025-03-09 06:15:22,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:22,209 INFO L471 AbstractCegarLoop]: Abstraction has 1344 states and 1894 transitions. [2025-03-09 06:15:22,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:15:22,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1894 transitions. [2025-03-09 06:15:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-09 06:15:22,215 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:22,215 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:22,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-09 06:15:22,215 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:22,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:22,216 INFO L85 PathProgramCache]: Analyzing trace with hash 482450756, now seen corresponding path program 1 times [2025-03-09 06:15:22,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:22,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84480034] [2025-03-09 06:15:22,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:22,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:22,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-09 06:15:22,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-09 06:15:22,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:22,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:22,699 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 06:15:22,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:22,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84480034] [2025-03-09 06:15:22,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84480034] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:15:22,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945636768] [2025-03-09 06:15:22,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:22,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:22,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:15:22,702 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) [2025-03-09 06:15:22,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 06:15:23,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-09 06:15:23,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-09 06:15:23,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:23,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:23,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-09 06:15:23,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:15:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:23,675 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:15:23,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945636768] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:23,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:15:23,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2025-03-09 06:15:23,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727927769] [2025-03-09 06:15:23,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:23,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:15:23,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:23,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:15:23,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-03-09 06:15:23,679 INFO L87 Difference]: Start difference. First operand 1344 states and 1894 transitions. Second operand has 10 states, 10 states have (on average 17.4) internal successors, (174), 10 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:24,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:24,654 INFO L93 Difference]: Finished difference Result 2552 states and 3612 transitions. [2025-03-09 06:15:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:15:24,655 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.4) internal successors, (174), 10 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 191 [2025-03-09 06:15:24,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:24,659 INFO L225 Difference]: With dead ends: 2552 [2025-03-09 06:15:24,659 INFO L226 Difference]: Without dead ends: 1368 [2025-03-09 06:15:24,660 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-03-09 06:15:24,662 INFO L435 NwaCegarLoop]: 672 mSDtfsCounter, 17 mSDsluCounter, 4515 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 5187 SdHoareTripleChecker+Invalid, 1612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:24,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 5187 Invalid, 1612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1610 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-09 06:15:24,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2025-03-09 06:15:24,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1358. [2025-03-09 06:15:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1358 states, 1316 states have (on average 1.4042553191489362) internal successors, (1848), 1343 states have internal predecessors, (1848), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:24,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1358 states and 1912 transitions. [2025-03-09 06:15:24,685 INFO L78 Accepts]: Start accepts. Automaton has 1358 states and 1912 transitions. Word has length 191 [2025-03-09 06:15:24,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:24,685 INFO L471 AbstractCegarLoop]: Abstraction has 1358 states and 1912 transitions. [2025-03-09 06:15:24,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.4) internal successors, (174), 10 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1912 transitions. [2025-03-09 06:15:24,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-09 06:15:24,687 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:24,687 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:24,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 06:15:24,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:24,888 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:24,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:24,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1004654940, now seen corresponding path program 1 times [2025-03-09 06:15:24,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:24,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002659320] [2025-03-09 06:15:24,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:24,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:24,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-09 06:15:25,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-09 06:15:25,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:25,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 06:15:25,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:25,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002659320] [2025-03-09 06:15:25,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002659320] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:15:25,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555879054] [2025-03-09 06:15:25,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:25,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:25,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:15:25,342 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) [2025-03-09 06:15:25,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 06:15:25,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-09 06:15:25,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-09 06:15:25,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:25,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:25,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-09 06:15:25,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:15:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-09 06:15:25,999 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:15:25,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555879054] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:25,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:15:25,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2025-03-09 06:15:25,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735198613] [2025-03-09 06:15:25,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:26,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:15:26,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:26,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:15:26,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-09 06:15:26,001 INFO L87 Difference]: Start difference. First operand 1358 states and 1912 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:26,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:26,397 INFO L93 Difference]: Finished difference Result 2572 states and 3636 transitions. [2025-03-09 06:15:26,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 06:15:26,397 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 191 [2025-03-09 06:15:26,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:26,402 INFO L225 Difference]: With dead ends: 2572 [2025-03-09 06:15:26,402 INFO L226 Difference]: Without dead ends: 1386 [2025-03-09 06:15:26,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-09 06:15:26,404 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 39 mSDsluCounter, 2866 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 3527 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:26,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 3527 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 06:15:26,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2025-03-09 06:15:26,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1372. [2025-03-09 06:15:26,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1330 states have (on average 1.4045112781954887) internal successors, (1868), 1357 states have internal predecessors, (1868), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-09 06:15:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1932 transitions. [2025-03-09 06:15:26,438 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1932 transitions. Word has length 191 [2025-03-09 06:15:26,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:26,438 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1932 transitions. [2025-03-09 06:15:26,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1932 transitions. [2025-03-09 06:15:26,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-09 06:15:26,439 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:26,439 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:26,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-09 06:15:26,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:26,640 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:26,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:26,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1195914784, now seen corresponding path program 1 times [2025-03-09 06:15:26,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:26,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790838035] [2025-03-09 06:15:26,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:26,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:26,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-09 06:15:27,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-09 06:15:27,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:27,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:27,263 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-09 06:15:27,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:27,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790838035] [2025-03-09 06:15:27,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790838035] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:15:27,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142325796] [2025-03-09 06:15:27,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:27,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:27,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:15:27,265 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) [2025-03-09 06:15:27,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 06:15:27,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-09 06:15:27,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-09 06:15:27,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:27,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:27,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 06:15:27,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:15:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-09 06:15:27,875 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:15:27,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142325796] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:27,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:15:27,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-03-09 06:15:27,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296804859] [2025-03-09 06:15:27,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:27,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:15:27,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:27,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:15:27,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 06:15:27,876 INFO L87 Difference]: Start difference. First operand 1372 states and 1932 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:15:27,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:27,995 INFO L93 Difference]: Finished difference Result 2533 states and 3588 transitions. [2025-03-09 06:15:27,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:15:27,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 191 [2025-03-09 06:15:27,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:28,001 INFO L225 Difference]: With dead ends: 2533 [2025-03-09 06:15:28,001 INFO L226 Difference]: Without dead ends: 1375 [2025-03-09 06:15:28,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-09 06:15:28,004 INFO L435 NwaCegarLoop]: 679 mSDtfsCounter, 0 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2030 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:28,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2030 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:15:28,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2025-03-09 06:15:28,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 1375. [2025-03-09 06:15:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1375 states, 1332 states have (on average 1.4046546546546546) internal successors, (1871), 1360 states have internal predecessors, (1871), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2025-03-09 06:15:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1375 states and 1939 transitions. [2025-03-09 06:15:28,026 INFO L78 Accepts]: Start accepts. Automaton has 1375 states and 1939 transitions. Word has length 191 [2025-03-09 06:15:28,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:28,027 INFO L471 AbstractCegarLoop]: Abstraction has 1375 states and 1939 transitions. [2025-03-09 06:15:28,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:15:28,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1939 transitions. [2025-03-09 06:15:28,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-03-09 06:15:28,028 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:28,028 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:28,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-09 06:15:28,228 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,SelfDestructingSolverStorable21 [2025-03-09 06:15:28,229 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:28,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:28,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1138798368, now seen corresponding path program 1 times [2025-03-09 06:15:28,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:28,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820813105] [2025-03-09 06:15:28,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:28,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:28,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-09 06:15:28,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-09 06:15:28,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:28,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-09 06:15:28,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:28,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820813105] [2025-03-09 06:15:28,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820813105] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:15:28,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908966353] [2025-03-09 06:15:28,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:28,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:28,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:15:28,836 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) [2025-03-09 06:15:28,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 06:15:29,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-09 06:15:29,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-09 06:15:29,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:29,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:29,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 06:15:29,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:15:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-09 06:15:39,811 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:15:39,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908966353] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:39,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:15:39,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-03-09 06:15:39,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28458448] [2025-03-09 06:15:39,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:39,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:15:39,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:39,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:15:39,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:15:39,812 INFO L87 Difference]: Start difference. First operand 1375 states and 1939 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:15:44,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 06:15:45,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 06:15:46,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 06:15:50,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 06:15:50,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:50,696 INFO L93 Difference]: Finished difference Result 2436 states and 3461 transitions. [2025-03-09 06:15:50,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 06:15:50,697 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 195 [2025-03-09 06:15:50,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:50,702 INFO L225 Difference]: With dead ends: 2436 [2025-03-09 06:15:50,702 INFO L226 Difference]: Without dead ends: 1385 [2025-03-09 06:15:50,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:15:50,703 INFO L435 NwaCegarLoop]: 666 mSDtfsCounter, 12 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3710 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:50,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3710 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 672 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2025-03-09 06:15:50,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2025-03-09 06:15:50,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1383. [2025-03-09 06:15:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1340 states have (on average 1.403731343283582) internal successors, (1881), 1368 states have internal predecessors, (1881), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2025-03-09 06:15:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1949 transitions. [2025-03-09 06:15:50,723 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1949 transitions. Word has length 195 [2025-03-09 06:15:50,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:50,723 INFO L471 AbstractCegarLoop]: Abstraction has 1383 states and 1949 transitions. [2025-03-09 06:15:50,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:15:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1949 transitions. [2025-03-09 06:15:50,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-03-09 06:15:50,725 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:50,725 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:50,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-09 06:15:50,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:50,925 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:50,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:50,926 INFO L85 PathProgramCache]: Analyzing trace with hash 928132716, now seen corresponding path program 1 times [2025-03-09 06:15:50,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:50,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090443476] [2025-03-09 06:15:50,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:50,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:50,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-09 06:15:50,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-09 06:15:50,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:50,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-09 06:15:51,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:51,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090443476] [2025-03-09 06:15:51,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090443476] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:51,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:15:51,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:15:51,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123361001] [2025-03-09 06:15:51,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:51,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:15:51,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:51,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:15:51,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-09 06:15:51,188 INFO L87 Difference]: Start difference. First operand 1383 states and 1949 transitions. Second operand has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:15:51,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:51,618 INFO L93 Difference]: Finished difference Result 2448 states and 3476 transitions. [2025-03-09 06:15:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 06:15:51,619 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 195 [2025-03-09 06:15:51,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:51,624 INFO L225 Difference]: With dead ends: 2448 [2025-03-09 06:15:51,625 INFO L226 Difference]: Without dead ends: 1393 [2025-03-09 06:15:51,626 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 [2025-03-09 06:15:51,626 INFO L435 NwaCegarLoop]: 671 mSDtfsCounter, 12 mSDsluCounter, 3045 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3716 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:51,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3716 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 06:15:51,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2025-03-09 06:15:51,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1383. [2025-03-09 06:15:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1340 states have (on average 1.403731343283582) internal successors, (1881), 1368 states have internal predecessors, (1881), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2025-03-09 06:15:51,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1949 transitions. [2025-03-09 06:15:51,649 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1949 transitions. Word has length 195 [2025-03-09 06:15:51,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:51,649 INFO L471 AbstractCegarLoop]: Abstraction has 1383 states and 1949 transitions. [2025-03-09 06:15:51,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:15:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1949 transitions. [2025-03-09 06:15:51,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-03-09 06:15:51,650 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:51,650 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:51,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-09 06:15:51,651 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:51,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:51,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1498550831, now seen corresponding path program 1 times [2025-03-09 06:15:51,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:51,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064314350] [2025-03-09 06:15:51,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:51,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:51,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-09 06:15:52,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-09 06:15:52,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:52,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-09 06:15:52,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:52,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064314350] [2025-03-09 06:15:52,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064314350] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:15:52,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648131774] [2025-03-09 06:15:52,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:52,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:52,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:15:52,228 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) [2025-03-09 06:15:52,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-09 06:15:52,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-09 06:15:52,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-09 06:15:52,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:52,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:52,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-09 06:15:52,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:15:53,138 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-09 06:15:53,138 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:15:53,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648131774] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:15:53,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:15:53,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-03-09 06:15:53,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072598248] [2025-03-09 06:15:53,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:15:53,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:15:53,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:15:53,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:15:53,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:15:53,139 INFO L87 Difference]: Start difference. First operand 1383 states and 1949 transitions. Second operand has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:53,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:15:53,742 INFO L93 Difference]: Finished difference Result 2602 states and 3682 transitions. [2025-03-09 06:15:53,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 06:15:53,743 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 195 [2025-03-09 06:15:53,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:15:53,747 INFO L225 Difference]: With dead ends: 2602 [2025-03-09 06:15:53,747 INFO L226 Difference]: Without dead ends: 1393 [2025-03-09 06:15:53,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:15:53,751 INFO L435 NwaCegarLoop]: 671 mSDtfsCounter, 10 mSDsluCounter, 2784 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3455 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-09 06:15:53,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 3455 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-09 06:15:53,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2025-03-09 06:15:53,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1383. [2025-03-09 06:15:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1340 states have (on average 1.403731343283582) internal successors, (1881), 1368 states have internal predecessors, (1881), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2025-03-09 06:15:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1949 transitions. [2025-03-09 06:15:53,773 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1949 transitions. Word has length 195 [2025-03-09 06:15:53,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:15:53,773 INFO L471 AbstractCegarLoop]: Abstraction has 1383 states and 1949 transitions. [2025-03-09 06:15:53,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-09 06:15:53,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1949 transitions. [2025-03-09 06:15:53,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-09 06:15:53,774 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:15:53,774 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:15:53,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-09 06:15:53,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-03-09 06:15:53,975 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-09 06:15:53,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:15:53,976 INFO L85 PathProgramCache]: Analyzing trace with hash -455880883, now seen corresponding path program 1 times [2025-03-09 06:15:53,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:15:53,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327972856] [2025-03-09 06:15:53,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:53,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:15:54,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-09 06:15:54,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-09 06:15:54,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:54,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-09 06:15:54,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:15:54,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327972856] [2025-03-09 06:15:54,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327972856] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:15:54,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143417382] [2025-03-09 06:15:54,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:15:54,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:15:54,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:15:54,628 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) [2025-03-09 06:15:54,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-09 06:15:55,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-09 06:15:55,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-09 06:15:55,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:15:55,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:15:55,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 156 conjuncts are in the unsatisfiable core [2025-03-09 06:15:55,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:15:55,502 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 [2025-03-09 06:15:55,643 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 [2025-03-09 06:15:55,645 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 [2025-03-09 06:15:55,657 INFO L349 Elim1Store]: treesize reduction 32, result has 30.4 percent of original size [2025-03-09 06:15:55,657 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 31 treesize of output 20 [2025-03-09 06:15:55,700 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 8 treesize of output 4 [2025-03-09 06:15:55,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2025-03-09 06:15:55,771 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2025-03-09 06:15:55,771 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 41 treesize of output 38 [2025-03-09 06:15:55,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2025-03-09 06:15:56,266 INFO L349 Elim1Store]: treesize reduction 8, result has 92.4 percent of original size [2025-03-09 06:15:56,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 8068763 treesize of output 7369634 [2025-03-09 06:15:56,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 47 treesize of output 39 [2025-03-09 06:15:56,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 45 treesize of output 37 [2025-03-09 06:15:56,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 43 treesize of output 35 [2025-03-09 06:15:56,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 11 [2025-03-09 06:15:56,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2025-03-09 06:15:56,365 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2025-03-09 06:15:56,365 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 19 treesize of output 16 [2025-03-09 06:15:56,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2025-03-09 06:15:56,596 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2025-03-09 06:15:56,596 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 [2025-03-09 06:15:56,602 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 [2025-03-09 06:15:56,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-09 06:15:56,651 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 [2025-03-09 06:15:56,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2025-03-09 06:15:56,752 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2025-03-09 06:15:56,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2025-03-09 06:15:56,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2025-03-09 06:15:59,578 INFO L224 Elim1Store]: Index analysis took 105 ms