./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.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_FNV_test7-2.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 ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 06:06:20,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:06:20,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 06:06:20,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:06:20,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:06:20,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:06:20,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:06:20,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:06:20,376 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:06:20,376 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:06:20,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 06:06:20,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 06:06:20,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:06:20,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:06:20,377 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:06:20,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:06:20,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 06:06:20,377 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 06:06:20,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:06:20,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 06:06:20,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:06:20,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 06:06:20,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 06:06:20,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 06:06:20,378 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 06:06:20,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:06:20,378 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 06:06:20,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:06:20,378 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:06:20,378 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:06:20,379 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:06:20,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:06:20,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 06:06:20,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 06:06:20,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:06:20,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:06:20,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 06:06:20,379 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 06:06:20,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 06:06:20,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:06:20,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 06:06:20,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 06:06:20,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 06:06:20,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 06:06:20,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 06:06:20,380 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 -> ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 [2025-03-09 06:06:20,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:06:20,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:06:20,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:06:20,635 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:06:20,636 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:06:20,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2025-03-09 06:06:21,822 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa66d8a5e/99a5205b5fd941f28a234adc2eda5ae0/FLAG9c356f8f5 [2025-03-09 06:06:22,208 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:06:22,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2025-03-09 06:06:22,227 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa66d8a5e/99a5205b5fd941f28a234adc2eda5ae0/FLAG9c356f8f5 [2025-03-09 06:06:22,384 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa66d8a5e/99a5205b5fd941f28a234adc2eda5ae0 [2025-03-09 06:06:22,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:06:22,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:06:22,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:06:22,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:06:22,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:06:22,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:22,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314cac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22, skipping insertion in model container [2025-03-09 06:06:22,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:22,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:06:22,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:06:22,862 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:06:22,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:06:22,996 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:06:22,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22 WrapperNode [2025-03-09 06:06:22,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:06:22,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:06:22,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:06:22,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:06:23,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:23,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:23,101 INFO L138 Inliner]: procedures = 176, calls = 323, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1543 [2025-03-09 06:06:23,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:06:23,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:06:23,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:06:23,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:06:23,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:23,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:23,122 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:23,200 INFO L175 MemorySlicer]: Split 301 memory accesses to 3 slices as follows [2, 265, 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]. [2025-03-09 06:06:23,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:23,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:23,246 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:23,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:23,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:23,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:23,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:06:23,272 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:06:23,272 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:06:23,272 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:06:23,273 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (1/1) ... [2025-03-09 06:06:23,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:06:23,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:06:23,304 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 06:06:23,306 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 06:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-09 06:06:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-09 06:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 06:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 06:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-09 06:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-09 06:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-09 06:06:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-09 06:06:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-09 06:06:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-09 06:06:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 06:06:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:06:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:06:23,515 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:06:23,517 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:06:24,685 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L713: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-09 06:06:24,753 INFO L? ?]: Removed 341 outVars from TransFormulas that were not future-live. [2025-03-09 06:06:24,753 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:06:24,820 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:06:24,821 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-09 06:06:24,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:06:24 BoogieIcfgContainer [2025-03-09 06:06:24,821 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:06:24,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 06:06:24,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 06:06:24,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 06:06:24,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 06:06:22" (1/3) ... [2025-03-09 06:06:24,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444c4ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:06:24, skipping insertion in model container [2025-03-09 06:06:24,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:06:22" (2/3) ... [2025-03-09 06:06:24,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444c4ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:06:24, skipping insertion in model container [2025-03-09 06:06:24,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:06:24" (3/3) ... [2025-03-09 06:06:24,830 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test7-2.i [2025-03-09 06:06:24,842 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 06:06:24,843 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test7-2.i that has 5 procedures, 444 locations, 1 initial locations, 41 loop locations, and 6 error locations. [2025-03-09 06:06:24,900 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:06:24,910 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;@40ef749f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:06:24,911 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-09 06:06:24,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 436 states, 422 states have (on average 1.6255924170616114) internal successors, (686), 429 states have internal predecessors, (686), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 06:06:24,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 06:06:24,920 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:06:24,921 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:06:24,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:06:24,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:06:24,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1336480671, now seen corresponding path program 1 times [2025-03-09 06:06:24,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:06:24,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400706462] [2025-03-09 06:06:24,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:06:24,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:06:24,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 06:06:25,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 06:06:25,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:06:25,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:06:25,048 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 06:06:25,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:06:25,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400706462] [2025-03-09 06:06:25,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400706462] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:06:25,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:06:25,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 06:06:25,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729564794] [2025-03-09 06:06:25,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:06:25,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 06:06:25,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:06:25,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 06:06:25,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 06:06:25,068 INFO L87 Difference]: Start difference. First operand has 436 states, 422 states have (on average 1.6255924170616114) internal successors, (686), 429 states have internal predecessors, (686), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:06:25,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:06:25,184 INFO L93 Difference]: Finished difference Result 867 states and 1388 transitions. [2025-03-09 06:06:25,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 06:06:25,188 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-09 06:06:25,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:06:25,196 INFO L225 Difference]: With dead ends: 867 [2025-03-09 06:06:25,196 INFO L226 Difference]: Without dead ends: 392 [2025-03-09 06:06:25,199 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 [2025-03-09 06:06:25,201 INFO L435 NwaCegarLoop]: 577 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, 577 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 [2025-03-09 06:06:25,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 577 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:06:25,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-03-09 06:06:25,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2025-03-09 06:06:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 382 states have (on average 1.463350785340314) internal successors, (559), 387 states have internal predecessors, (559), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 06:06:25,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 565 transitions. [2025-03-09 06:06:25,249 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 565 transitions. Word has length 7 [2025-03-09 06:06:25,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:06:25,249 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 565 transitions. [2025-03-09 06:06:25,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:06:25,249 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 565 transitions. [2025-03-09 06:06:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 06:06:25,250 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:06:25,250 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:06:25,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 06:06:25,250 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:06:25,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:06:25,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1336479710, now seen corresponding path program 1 times [2025-03-09 06:06:25,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:06:25,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197956360] [2025-03-09 06:06:25,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:06:25,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:06:25,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 06:06:25,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 06:06:25,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:06:25,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 06:06:25,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739399181] [2025-03-09 06:06:25,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:06:25,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:06:25,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:06:25,299 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 06:06:25,300 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 06:06:25,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 06:06:25,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 06:06:25,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:06:25,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:06:25,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 06:06:25,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:06:25,456 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 06:06:25,482 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 06:06:25,483 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:06:25,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:06:25,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197956360] [2025-03-09 06:06:25,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 06:06:25,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739399181] [2025-03-09 06:06:25,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739399181] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:06:25,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:06:25,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:06:25,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487853836] [2025-03-09 06:06:25,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:06:25,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:06:25,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:06:25,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:06:25,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:06:25,487 INFO L87 Difference]: Start difference. First operand 392 states and 565 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:06:25,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:06:25,735 INFO L93 Difference]: Finished difference Result 778 states and 1124 transitions. [2025-03-09 06:06:25,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:06:25,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-09 06:06:25,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:06:25,738 INFO L225 Difference]: With dead ends: 778 [2025-03-09 06:06:25,739 INFO L226 Difference]: Without dead ends: 776 [2025-03-09 06:06:25,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 06:06:25,739 INFO L435 NwaCegarLoop]: 500 mSDtfsCounter, 546 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:06:25,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1495 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:06:25,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2025-03-09 06:06:25,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 398. [2025-03-09 06:06:25,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 388 states have (on average 1.458762886597938) internal successors, (566), 393 states have internal predecessors, (566), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 06:06:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 572 transitions. [2025-03-09 06:06:25,767 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 572 transitions. Word has length 7 [2025-03-09 06:06:25,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:06:25,767 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 572 transitions. [2025-03-09 06:06:25,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:06:25,768 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 572 transitions. [2025-03-09 06:06:25,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-09 06:06:25,772 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:06:25,772 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] [2025-03-09 06:06:25,778 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 06:06:25,972 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 [2025-03-09 06:06:25,972 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:06:25,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:06:25,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1790063742, now seen corresponding path program 1 times [2025-03-09 06:06:25,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:06:25,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347388164] [2025-03-09 06:06:25,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:06:25,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:06:25,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-09 06:06:25,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-09 06:06:25,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:06:25,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:06:26,327 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 06:06:26,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:06:26,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347388164] [2025-03-09 06:06:26,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347388164] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:06:26,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:06:26,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:06:26,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616481228] [2025-03-09 06:06:26,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:06:26,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:06:26,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:06:26,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:06:26,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:06:26,328 INFO L87 Difference]: Start difference. First operand 398 states and 572 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 06:06:26,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:06:26,547 INFO L93 Difference]: Finished difference Result 961 states and 1392 transitions. [2025-03-09 06:06:26,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:06:26,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 69 [2025-03-09 06:06:26,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:06:26,551 INFO L225 Difference]: With dead ends: 961 [2025-03-09 06:06:26,552 INFO L226 Difference]: Without dead ends: 775 [2025-03-09 06:06:26,553 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 06:06:26,555 INFO L435 NwaCegarLoop]: 502 mSDtfsCounter, 547 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 1500 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:06:26,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 1500 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:06:26,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2025-03-09 06:06:26,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 398. [2025-03-09 06:06:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 388 states have (on average 1.4561855670103092) internal successors, (565), 393 states have internal predecessors, (565), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 06:06:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 571 transitions. [2025-03-09 06:06:26,580 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 571 transitions. Word has length 69 [2025-03-09 06:06:26,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:06:26,580 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 571 transitions. [2025-03-09 06:06:26,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 06:06:26,581 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 571 transitions. [2025-03-09 06:06:26,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-09 06:06:26,584 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:06:26,584 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:06:26,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 06:06:26,584 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:06:26,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:06:26,585 INFO L85 PathProgramCache]: Analyzing trace with hash 745710833, now seen corresponding path program 1 times [2025-03-09 06:06:26,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:06:26,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571620030] [2025-03-09 06:06:26,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:06:26,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:06:26,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-09 06:06:26,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-09 06:06:26,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:06:26,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:06:26,764 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 06:06:26,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:06:26,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571620030] [2025-03-09 06:06:26,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571620030] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:06:26,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:06:26,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:06:26,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217957448] [2025-03-09 06:06:26,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:06:26,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:06:26,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:06:26,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:06:26,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:06:26,765 INFO L87 Difference]: Start difference. First operand 398 states and 571 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:06:26,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:06:26,899 INFO L93 Difference]: Finished difference Result 791 states and 1137 transitions. [2025-03-09 06:06:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:06:26,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2025-03-09 06:06:26,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:06:26,902 INFO L225 Difference]: With dead ends: 791 [2025-03-09 06:06:26,902 INFO L226 Difference]: Without dead ends: 401 [2025-03-09 06:06:26,902 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 06:06:26,903 INFO L435 NwaCegarLoop]: 496 mSDtfsCounter, 105 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1404 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 [2025-03-09 06:06:26,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1404 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:06:26,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-03-09 06:06:26,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 398. [2025-03-09 06:06:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 388 states have (on average 1.4381443298969072) internal successors, (558), 393 states have internal predecessors, (558), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 06:06:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 564 transitions. [2025-03-09 06:06:26,922 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 564 transitions. Word has length 79 [2025-03-09 06:06:26,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:06:26,922 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 564 transitions. [2025-03-09 06:06:26,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:06:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 564 transitions. [2025-03-09 06:06:26,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-09 06:06:26,926 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:06:26,926 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:06:26,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 06:06:26,926 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:06:26,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:06:26,927 INFO L85 PathProgramCache]: Analyzing trace with hash -640232886, now seen corresponding path program 1 times [2025-03-09 06:06:26,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:06:26,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111541119] [2025-03-09 06:06:26,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:06:26,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:06:26,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-09 06:06:26,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-09 06:06:26,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:06:26,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:06:27,050 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 06:06:27,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:06:27,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111541119] [2025-03-09 06:06:27,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111541119] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:06:27,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:06:27,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:06:27,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509711344] [2025-03-09 06:06:27,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:06:27,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:06:27,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:06:27,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:06:27,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:06:27,051 INFO L87 Difference]: Start difference. First operand 398 states and 564 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:06:27,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:06:27,208 INFO L93 Difference]: Finished difference Result 1076 states and 1545 transitions. [2025-03-09 06:06:27,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:06:27,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2025-03-09 06:06:27,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:06:27,211 INFO L225 Difference]: With dead ends: 1076 [2025-03-09 06:06:27,211 INFO L226 Difference]: Without dead ends: 686 [2025-03-09 06:06:27,211 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 06:06:27,212 INFO L435 NwaCegarLoop]: 681 mSDtfsCounter, 370 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:06:27,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 1174 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:06:27,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2025-03-09 06:06:27,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 683. [2025-03-09 06:06:27,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 673 states have (on average 1.4561664190193164) internal successors, (980), 678 states have internal predecessors, (980), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 06:06:27,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 986 transitions. [2025-03-09 06:06:27,225 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 986 transitions. Word has length 79 [2025-03-09 06:06:27,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:06:27,225 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 986 transitions. [2025-03-09 06:06:27,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:06:27,225 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 986 transitions. [2025-03-09 06:06:27,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-09 06:06:27,227 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:06:27,227 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:06:27,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 06:06:27,227 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:06:27,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:06:27,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1357518626, now seen corresponding path program 1 times [2025-03-09 06:06:27,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:06:27,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676781242] [2025-03-09 06:06:27,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:06:27,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:06:27,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 06:06:27,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 06:06:27,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:06:27,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:06:27,385 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 06:06:27,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:06:27,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676781242] [2025-03-09 06:06:27,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676781242] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:06:27,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:06:27,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:06:27,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695310061] [2025-03-09 06:06:27,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:06:27,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:06:27,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:06:27,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:06:27,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:06:27,388 INFO L87 Difference]: Start difference. First operand 683 states and 986 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 06:06:27,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:06:27,480 INFO L93 Difference]: Finished difference Result 1302 states and 1884 transitions. [2025-03-09 06:06:27,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:06:27,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 94 [2025-03-09 06:06:27,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:06:27,483 INFO L225 Difference]: With dead ends: 1302 [2025-03-09 06:06:27,483 INFO L226 Difference]: Without dead ends: 695 [2025-03-09 06:06:27,485 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 06:06:27,486 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 1 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:06:27,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 998 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:06:27,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2025-03-09 06:06:27,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 695. [2025-03-09 06:06:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 685 states have (on average 1.448175182481752) internal successors, (992), 690 states have internal predecessors, (992), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 06:06:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 998 transitions. [2025-03-09 06:06:27,500 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 998 transitions. Word has length 94 [2025-03-09 06:06:27,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:06:27,500 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 998 transitions. [2025-03-09 06:06:27,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 06:06:27,500 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 998 transitions. [2025-03-09 06:06:27,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-09 06:06:27,501 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:06:27,501 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:06:27,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 06:06:27,501 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:06:27,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:06:27,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1566216929, now seen corresponding path program 1 times [2025-03-09 06:06:27,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:06:27,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891866818] [2025-03-09 06:06:27,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:06:27,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:06:27,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-09 06:06:27,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-09 06:06:27,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:06:27,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:06:27,803 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 06:06:27,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:06:27,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891866818] [2025-03-09 06:06:27,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891866818] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:06:27,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:06:27,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:06:27,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756006671] [2025-03-09 06:06:27,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:06:27,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:06:27,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:06:27,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:06:27,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:06:27,806 INFO L87 Difference]: Start difference. First operand 695 states and 998 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 06:06:27,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:06:27,996 INFO L93 Difference]: Finished difference Result 978 states and 1398 transitions. [2025-03-09 06:06:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:06:27,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 94 [2025-03-09 06:06:27,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:06:28,001 INFO L225 Difference]: With dead ends: 978 [2025-03-09 06:06:28,001 INFO L226 Difference]: Without dead ends: 976 [2025-03-09 06:06:28,001 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 [2025-03-09 06:06:28,001 INFO L435 NwaCegarLoop]: 495 mSDtfsCounter, 456 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:06:28,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 1478 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:06:28,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2025-03-09 06:06:28,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 758. [2025-03-09 06:06:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 745 states have (on average 1.4348993288590604) internal successors, (1069), 750 states have internal predecessors, (1069), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 06:06:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1081 transitions. [2025-03-09 06:06:28,019 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1081 transitions. Word has length 94 [2025-03-09 06:06:28,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:06:28,020 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 1081 transitions. [2025-03-09 06:06:28,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 06:06:28,020 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1081 transitions. [2025-03-09 06:06:28,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-09 06:06:28,022 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:06:28,022 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] [2025-03-09 06:06:28,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 06:06:28,022 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:06:28,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:06:28,025 INFO L85 PathProgramCache]: Analyzing trace with hash -514341456, now seen corresponding path program 1 times [2025-03-09 06:06:28,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:06:28,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920884615] [2025-03-09 06:06:28,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:06:28,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:06:28,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-09 06:06:28,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-09 06:06:28,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:06:28,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:06:28,401 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 06:06:28,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:06:28,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920884615] [2025-03-09 06:06:28,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920884615] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:06:28,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162215408] [2025-03-09 06:06:28,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:06:28,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:06:28,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:06:28,404 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 06:06:28,405 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 06:06:28,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-09 06:06:28,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-09 06:06:28,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:06:28,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:06:28,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-09 06:06:28,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:06:28,663 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 06:06:28,677 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 06:06:28,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2025-03-09 06:06:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 06:06:29,279 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:06:29,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162215408] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:06:29,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:06:29,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-03-09 06:06:29,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2448187] [2025-03-09 06:06:29,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:06:29,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:06:29,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:06:29,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:06:29,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-09 06:06:29,281 INFO L87 Difference]: Start difference. First operand 758 states and 1081 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 06:06:30,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:06:30,844 INFO L93 Difference]: Finished difference Result 1678 states and 2394 transitions. [2025-03-09 06:06:30,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:06:30,844 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 100 [2025-03-09 06:06:30,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:06:30,848 INFO L225 Difference]: With dead ends: 1678 [2025-03-09 06:06:30,848 INFO L226 Difference]: Without dead ends: 1012 [2025-03-09 06:06:30,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-03-09 06:06:30,849 INFO L435 NwaCegarLoop]: 483 mSDtfsCounter, 807 mSDsluCounter, 2301 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 2784 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-09 06:06:30,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 2784 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-09 06:06:30,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2025-03-09 06:06:30,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 789. [2025-03-09 06:06:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 776 states have (on average 1.4239690721649485) internal successors, (1105), 781 states have internal predecessors, (1105), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 06:06:30,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1117 transitions. [2025-03-09 06:06:30,867 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1117 transitions. Word has length 100 [2025-03-09 06:06:30,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:06:30,867 INFO L471 AbstractCegarLoop]: Abstraction has 789 states and 1117 transitions. [2025-03-09 06:06:30,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 06:06:30,867 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1117 transitions. [2025-03-09 06:06:30,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-09 06:06:30,868 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:06:30,868 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:06:30,876 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 06:06:31,068 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,SelfDestructingSolverStorable7 [2025-03-09 06:06:31,069 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:06:31,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:06:31,069 INFO L85 PathProgramCache]: Analyzing trace with hash -2120261188, now seen corresponding path program 1 times [2025-03-09 06:06:31,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:06:31,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927004969] [2025-03-09 06:06:31,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:06:31,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:06:31,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 06:06:31,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 06:06:31,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:06:31,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:06:31,328 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 06:06:31,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:06:31,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927004969] [2025-03-09 06:06:31,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927004969] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:06:31,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911747356] [2025-03-09 06:06:31,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:06:31,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:06:31,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:06:31,331 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 06:06:31,333 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 06:06:31,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 06:06:31,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 06:06:31,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:06:31,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:06:31,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-09 06:06:31,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:07:13,963 WARN L286 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-09 06:07:49,801 WARN L286 SmtUtils]: Spent 5.36s 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)