./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:11:21,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:11:21,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:11:21,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:11:21,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:11:21,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:11:21,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:11:21,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:11:21,119 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:11:21,119 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:11:21,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:11:21,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:11:21,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:11:21,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:11:21,121 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:11:21,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:11:21,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:11:21,121 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:11:21,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:11:21,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:11:21,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:11:21,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:11:21,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:11:21,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:11:21,122 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:11:21,122 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:11:21,122 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:11:21,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:11:21,122 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:11:21,122 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:11:21,122 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:11:21,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:11:21,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:11:21,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:11:21,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:11:21,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:11:21,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:11:21,123 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:11:21,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:11:21,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:11:21,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:11:21,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:11:21,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:11:21,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:11:21,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:11:21,123 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 -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2025-03-17 19:11:21,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:11:21,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:11:21,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:11:21,370 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:11:21,371 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:11:21,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2025-03-17 19:11:22,493 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ddcaae4c/13071e2d99854f4db461dda0f6dd2583/FLAG0d7bc6a26 [2025-03-17 19:11:22,788 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:11:22,789 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2025-03-17 19:11:22,803 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ddcaae4c/13071e2d99854f4db461dda0f6dd2583/FLAG0d7bc6a26 [2025-03-17 19:11:23,062 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ddcaae4c/13071e2d99854f4db461dda0f6dd2583 [2025-03-17 19:11:23,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:11:23,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:11:23,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:11:23,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:11:23,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:11:23,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e61ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23, skipping insertion in model container [2025-03-17 19:11:23,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,105 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:11:23,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:11:23,507 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:11:23,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:11:23,624 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:11:23,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23 WrapperNode [2025-03-17 19:11:23,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:11:23,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:11:23,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:11:23,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:11:23,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,698 INFO L138 Inliner]: procedures = 177, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1577 [2025-03-17 19:11:23,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:11:23,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:11:23,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:11:23,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:11:23,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,719 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,787 INFO L175 MemorySlicer]: Split 303 memory accesses to 3 slices as follows [2, 267, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2025-03-17 19:11:23,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,821 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:11:23,838 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:11:23,838 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:11:23,838 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:11:23,839 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (1/1) ... [2025-03-17 19:11:23,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:11:23,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:11:23,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 19:11:23,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 19:11:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-17 19:11:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-17 19:11:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:11:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:11:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 19:11:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 19:11:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 19:11:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:11:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 19:11:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 19:11:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 19:11:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:11:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:11:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 19:11:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:11:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:11:24,113 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:11:24,114 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:11:25,191 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-17 19:11:25,280 INFO L? ?]: Removed 355 outVars from TransFormulas that were not future-live. [2025-03-17 19:11:25,280 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:11:25,326 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:11:25,328 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 19:11:25,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:11:25 BoogieIcfgContainer [2025-03-17 19:11:25,330 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:11:25,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:11:25,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:11:25,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:11:25,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:11:23" (1/3) ... [2025-03-17 19:11:25,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e01f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:11:25, skipping insertion in model container [2025-03-17 19:11:25,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:11:23" (2/3) ... [2025-03-17 19:11:25,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e01f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:11:25, skipping insertion in model container [2025-03-17 19:11:25,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:11:25" (3/3) ... [2025-03-17 19:11:25,339 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-2.i [2025-03-17 19:11:25,348 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:11:25,350 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test3-2.i that has 6 procedures, 461 locations, 1 initial locations, 41 loop locations, and 8 error locations. [2025-03-17 19:11:25,399 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:11:25,409 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;@467ab09e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:11:25,409 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-17 19:11:25,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 453 states, 431 states have (on average 1.631090487238979) internal successors, (703), 446 states have internal predecessors, (703), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 19:11:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 19:11:25,419 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:25,419 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 19:11:25,420 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:11:25,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:25,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1927482631, now seen corresponding path program 1 times [2025-03-17 19:11:25,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:25,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749733471] [2025-03-17 19:11:25,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:25,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:25,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:11:25,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:11:25,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:25,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:11:25,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:25,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749733471] [2025-03-17 19:11:25,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749733471] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:11:25,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:11:25,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:11:25,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425323454] [2025-03-17 19:11:25,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:11:25,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 19:11:25,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:25,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 19:11:25,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 19:11:25,574 INFO L87 Difference]: Start difference. First operand has 453 states, 431 states have (on average 1.631090487238979) internal successors, (703), 446 states have internal predecessors, (703), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2025-03-17 19:11:25,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:25,681 INFO L93 Difference]: Finished difference Result 903 states and 1449 transitions. [2025-03-17 19:11:25,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 19:11:25,683 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2025-03-17 19:11:25,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:25,690 INFO L225 Difference]: With dead ends: 903 [2025-03-17 19:11:25,690 INFO L226 Difference]: Without dead ends: 412 [2025-03-17 19:11:25,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 19:11:25,695 INFO L435 NwaCegarLoop]: 605 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:11:25,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 605 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:11:25,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2025-03-17 19:11:25,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2025-03-17 19:11:25,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 394 states have (on average 1.4695431472081217) internal successors, (579), 406 states have internal predecessors, (579), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 19:11:25,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 595 transitions. [2025-03-17 19:11:25,735 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 595 transitions. Word has length 6 [2025-03-17 19:11:25,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:25,735 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 595 transitions. [2025-03-17 19:11:25,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2025-03-17 19:11:25,736 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 595 transitions. [2025-03-17 19:11:25,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 19:11:25,736 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:25,736 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 19:11:25,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:11:25,736 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:11:25,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:25,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1927481670, now seen corresponding path program 1 times [2025-03-17 19:11:25,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:25,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560035180] [2025-03-17 19:11:25,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:25,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:25,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:11:25,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:11:25,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:25,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 19:11:25,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [598407281] [2025-03-17 19:11:25,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:25,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:11:25,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:11:25,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:11:25,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 19:11:25,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:11:25,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:11:25,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:25,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:25,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 19:11:25,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:11:25,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-17 19:11:25,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:11:25,996 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:11:25,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:25,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560035180] [2025-03-17 19:11:25,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 19:11:25,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598407281] [2025-03-17 19:11:25,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598407281] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:11:25,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:11:25,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:11:25,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645294627] [2025-03-17 19:11:25,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:11:25,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:11:25,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:26,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:11:26,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:11:26,001 INFO L87 Difference]: Start difference. First operand 412 states and 595 transitions. Second operand has 4 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) [2025-03-17 19:11:26,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:26,255 INFO L93 Difference]: Finished difference Result 815 states and 1182 transitions. [2025-03-17 19:11:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:11:26,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 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 [2025-03-17 19:11:26,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:26,259 INFO L225 Difference]: With dead ends: 815 [2025-03-17 19:11:26,259 INFO L226 Difference]: Without dead ends: 813 [2025-03-17 19:11:26,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:11:26,260 INFO L435 NwaCegarLoop]: 573 mSDtfsCounter, 564 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:11:26,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 1666 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:11:26,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2025-03-17 19:11:26,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 418. [2025-03-17 19:11:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 400 states have (on average 1.465) internal successors, (586), 412 states have internal predecessors, (586), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 19:11:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 602 transitions. [2025-03-17 19:11:26,294 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 602 transitions. Word has length 6 [2025-03-17 19:11:26,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:26,295 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 602 transitions. [2025-03-17 19:11:26,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 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) [2025-03-17 19:11:26,295 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 602 transitions. [2025-03-17 19:11:26,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-17 19:11:26,296 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:26,296 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:11:26,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 19:11:26,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:11:26,500 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:11:26,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:26,500 INFO L85 PathProgramCache]: Analyzing trace with hash -160435359, now seen corresponding path program 1 times [2025-03-17 19:11:26,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:26,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273970253] [2025-03-17 19:11:26,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:26,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:26,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 19:11:26,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 19:11:26,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:26,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:26,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:11:26,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:26,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273970253] [2025-03-17 19:11:26,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273970253] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:11:26,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:11:26,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:11:26,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124307904] [2025-03-17 19:11:26,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:11:26,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:11:26,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:26,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:11:26,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:11:26,647 INFO L87 Difference]: Start difference. First operand 418 states and 602 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:11:26,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:26,867 INFO L93 Difference]: Finished difference Result 1019 states and 1481 transitions. [2025-03-17 19:11:26,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:11:26,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-03-17 19:11:26,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:26,873 INFO L225 Difference]: With dead ends: 1019 [2025-03-17 19:11:26,875 INFO L226 Difference]: Without dead ends: 812 [2025-03-17 19:11:26,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:11:26,877 INFO L435 NwaCegarLoop]: 533 mSDtfsCounter, 565 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:11:26,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 1587 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:11:26,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2025-03-17 19:11:26,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 418. [2025-03-17 19:11:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 400 states have (on average 1.4625) internal successors, (585), 412 states have internal predecessors, (585), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 19:11:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 601 transitions. [2025-03-17 19:11:26,896 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 601 transitions. Word has length 9 [2025-03-17 19:11:26,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:26,896 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 601 transitions. [2025-03-17 19:11:26,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:11:26,896 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 601 transitions. [2025-03-17 19:11:26,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-17 19:11:26,898 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:26,898 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] [2025-03-17 19:11:26,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:11:26,898 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:11:26,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:26,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1973129942, now seen corresponding path program 1 times [2025-03-17 19:11:26,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:26,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219172052] [2025-03-17 19:11:26,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:26,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:26,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 19:11:26,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 19:11:26,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:26,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:27,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:11:27,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:27,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219172052] [2025-03-17 19:11:27,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219172052] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:11:27,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:11:27,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:11:27,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229229714] [2025-03-17 19:11:27,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:11:27,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:11:27,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:27,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:11:27,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:11:27,195 INFO L87 Difference]: Start difference. First operand 418 states and 601 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:11:27,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:27,320 INFO L93 Difference]: Finished difference Result 832 states and 1198 transitions. [2025-03-17 19:11:27,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:11:27,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2025-03-17 19:11:27,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:27,322 INFO L225 Difference]: With dead ends: 832 [2025-03-17 19:11:27,322 INFO L226 Difference]: Without dead ends: 421 [2025-03-17 19:11:27,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:11:27,323 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 105 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:11:27,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1494 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:11:27,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2025-03-17 19:11:27,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 418. [2025-03-17 19:11:27,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 400 states have (on average 1.445) internal successors, (578), 412 states have internal predecessors, (578), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 19:11:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 594 transitions. [2025-03-17 19:11:27,333 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 594 transitions. Word has length 78 [2025-03-17 19:11:27,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:27,333 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 594 transitions. [2025-03-17 19:11:27,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:11:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 594 transitions. [2025-03-17 19:11:27,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-17 19:11:27,335 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:27,335 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] [2025-03-17 19:11:27,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:11:27,335 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:11:27,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:27,336 INFO L85 PathProgramCache]: Analyzing trace with hash 935893635, now seen corresponding path program 1 times [2025-03-17 19:11:27,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:27,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550511524] [2025-03-17 19:11:27,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:27,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:27,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 19:11:27,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 19:11:27,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:27,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:27,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:11:27,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:27,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550511524] [2025-03-17 19:11:27,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550511524] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:11:27,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:11:27,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:11:27,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509470395] [2025-03-17 19:11:27,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:11:27,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:11:27,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:27,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:11:27,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:11:27,475 INFO L87 Difference]: Start difference. First operand 418 states and 594 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:11:27,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:27,637 INFO L93 Difference]: Finished difference Result 1134 states and 1634 transitions. [2025-03-17 19:11:27,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:11:27,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 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 78 [2025-03-17 19:11:27,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:27,641 INFO L225 Difference]: With dead ends: 1134 [2025-03-17 19:11:27,641 INFO L226 Difference]: Without dead ends: 723 [2025-03-17 19:11:27,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:11:27,642 INFO L435 NwaCegarLoop]: 736 mSDtfsCounter, 388 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:11:27,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1263 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:11:27,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2025-03-17 19:11:27,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 703. [2025-03-17 19:11:27,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 685 states have (on average 1.4613138686131386) internal successors, (1001), 697 states have internal predecessors, (1001), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 19:11:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1017 transitions. [2025-03-17 19:11:27,660 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1017 transitions. Word has length 78 [2025-03-17 19:11:27,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:27,661 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 1017 transitions. [2025-03-17 19:11:27,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:11:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1017 transitions. [2025-03-17 19:11:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 19:11:27,664 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:27,664 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] [2025-03-17 19:11:27,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 19:11:27,665 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:11:27,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:27,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1046059752, now seen corresponding path program 1 times [2025-03-17 19:11:27,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:27,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26218629] [2025-03-17 19:11:27,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:27,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:27,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 19:11:27,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 19:11:27,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:27,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:11:28,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:28,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26218629] [2025-03-17 19:11:28,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26218629] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:11:28,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:11:28,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:11:28,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543405618] [2025-03-17 19:11:28,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:11:28,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:11:28,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:28,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:11:28,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:11:28,046 INFO L87 Difference]: Start difference. First operand 703 states and 1017 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:11:28,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:28,232 INFO L93 Difference]: Finished difference Result 1003 states and 1445 transitions. [2025-03-17 19:11:28,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:11:28,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 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 93 [2025-03-17 19:11:28,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:28,236 INFO L225 Difference]: With dead ends: 1003 [2025-03-17 19:11:28,236 INFO L226 Difference]: Without dead ends: 1001 [2025-03-17 19:11:28,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:11:28,237 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 474 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:11:28,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 1565 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:11:28,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2025-03-17 19:11:28,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 766. [2025-03-17 19:11:28,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 745 states have (on average 1.446979865771812) internal successors, (1078), 757 states have internal predecessors, (1078), 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) [2025-03-17 19:11:28,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1100 transitions. [2025-03-17 19:11:28,254 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1100 transitions. Word has length 93 [2025-03-17 19:11:28,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:28,254 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1100 transitions. [2025-03-17 19:11:28,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:11:28,254 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1100 transitions. [2025-03-17 19:11:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-17 19:11:28,255 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:28,255 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:11:28,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 19:11:28,256 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:11:28,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:28,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1578758121, now seen corresponding path program 1 times [2025-03-17 19:11:28,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:28,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156453150] [2025-03-17 19:11:28,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:28,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:28,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 19:11:28,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 19:11:28,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:28,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:11:28,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:28,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156453150] [2025-03-17 19:11:28,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156453150] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:11:28,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485170296] [2025-03-17 19:11:28,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:28,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:11:28,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:11:28,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:11:28,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 19:11:28,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 19:11:28,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 19:11:28,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:28,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:28,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-17 19:11:28,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:11:28,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-17 19:11:28,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-17 19:11:28,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-03-17 19:11:29,499 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:11:29,499 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:11:29,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485170296] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:11:29,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:11:29,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2025-03-17 19:11:29,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067989753] [2025-03-17 19:11:29,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:11:29,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 19:11:29,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:11:29,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 19:11:29,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-17 19:11:29,501 INFO L87 Difference]: Start difference. First operand 766 states and 1100 transitions. Second operand has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:11:30,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:11:30,990 INFO L93 Difference]: Finished difference Result 1730 states and 2485 transitions. [2025-03-17 19:11:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 19:11:30,991 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 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 99 [2025-03-17 19:11:30,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:11:30,997 INFO L225 Difference]: With dead ends: 1730 [2025-03-17 19:11:30,997 INFO L226 Difference]: Without dead ends: 1049 [2025-03-17 19:11:30,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-03-17 19:11:31,000 INFO L435 NwaCegarLoop]: 567 mSDtfsCounter, 830 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 3243 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:11:31,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 3243 Invalid, 1267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-17 19:11:31,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2025-03-17 19:11:31,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 791. [2025-03-17 19:11:31,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 770 states have (on average 1.438961038961039) internal successors, (1108), 782 states have internal predecessors, (1108), 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) [2025-03-17 19:11:31,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1130 transitions. [2025-03-17 19:11:31,023 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1130 transitions. Word has length 99 [2025-03-17 19:11:31,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:11:31,023 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1130 transitions. [2025-03-17 19:11:31,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:11:31,023 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1130 transitions. [2025-03-17 19:11:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-17 19:11:31,025 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:11:31,026 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:11:31,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 19:11:31,226 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,SelfDestructingSolverStorable6 [2025-03-17 19:11:31,226 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:11:31,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:11:31,227 INFO L85 PathProgramCache]: Analyzing trace with hash 463681684, now seen corresponding path program 1 times [2025-03-17 19:11:31,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:11:31,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808044754] [2025-03-17 19:11:31,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:31,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:11:31,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 19:11:31,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 19:11:31,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:31,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:11:31,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:11:31,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808044754] [2025-03-17 19:11:31,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808044754] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:11:31,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120950871] [2025-03-17 19:11:31,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:11:31,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:11:31,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:11:31,502 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:11:31,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 19:11:31,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 19:11:31,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 19:11:31,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:11:31,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:11:31,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 19:11:31,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:12:26,186 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 19:12:53,564 WARN L286 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 19:13:05,605 WARN L286 SmtUtils]: Spent 12.04s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)