./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:07:59,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:07:59,738 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:07:59,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:07:59,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:07:59,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:07:59,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:07:59,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:07:59,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:07:59,765 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:07:59,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:07:59,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:07:59,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:07:59,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:07:59,766 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:07:59,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:07:59,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:07:59,766 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:07:59,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:07:59,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:07:59,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:07:59,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:07:59,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:07:59,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:07:59,767 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:07:59,767 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:07:59,767 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:07:59,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:07:59,767 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:07:59,767 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:07:59,767 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:07:59,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:07:59,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:07:59,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:07:59,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:07:59,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:07:59,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:07:59,769 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:07:59,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:07:59,769 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:07:59,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:07:59,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:07:59,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:07:59,769 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:07:59,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:07:59,769 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 -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2025-03-17 19:07:59,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:07:59,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:07:59,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:07:59,986 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:07:59,986 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:07:59,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2025-03-17 19:08:01,116 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb72085c7/163740f461f04ec6b97892d49ee12479/FLAG60d234db5 [2025-03-17 19:08:01,393 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:08:01,397 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2025-03-17 19:08:01,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb72085c7/163740f461f04ec6b97892d49ee12479/FLAG60d234db5 [2025-03-17 19:08:01,681 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb72085c7/163740f461f04ec6b97892d49ee12479 [2025-03-17 19:08:01,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:08:01,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:08:01,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:08:01,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:08:01,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:08:01,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:08:01" (1/1) ... [2025-03-17 19:08:01,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63499070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:01, skipping insertion in model container [2025-03-17 19:08:01,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:08:01" (1/1) ... [2025-03-17 19:08:01,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:08:02,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:08:02,078 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:08:02,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:08:02,168 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:08:02,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02 WrapperNode [2025-03-17 19:08:02,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:08:02,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:08:02,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:08:02,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:08:02,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (1/1) ... [2025-03-17 19:08:02,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (1/1) ... [2025-03-17 19:08:02,238 INFO L138 Inliner]: procedures = 177, calls = 279, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1418 [2025-03-17 19:08:02,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:08:02,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:08:02,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:08:02,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:08:02,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (1/1) ... [2025-03-17 19:08:02,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (1/1) ... [2025-03-17 19:08:02,261 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (1/1) ... [2025-03-17 19:08:02,312 INFO L175 MemorySlicer]: Split 255 memory accesses to 3 slices as follows [2, 34, 219]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2025-03-17 19:08:02,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (1/1) ... [2025-03-17 19:08:02,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (1/1) ... [2025-03-17 19:08:02,333 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (1/1) ... [2025-03-17 19:08:02,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (1/1) ... [2025-03-17 19:08:02,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (1/1) ... [2025-03-17 19:08:02,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (1/1) ... [2025-03-17 19:08:02,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:08:02,347 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:08:02,347 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:08:02,347 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:08:02,348 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (1/1) ... [2025-03-17 19:08:02,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:08:02,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:08:02,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 19:08:02,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 19:08:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-17 19:08:02,399 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-17 19:08:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:08:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:08:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 19:08:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 19:08:02,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 19:08:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:08:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:08:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 19:08:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 19:08:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 19:08:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 19:08:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 19:08:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 19:08:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 19:08:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 19:08:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:08:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:08:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:08:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 19:08:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 19:08:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 19:08:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 19:08:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 19:08:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:08:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:08:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:08:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 19:08:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:08:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:08:02,566 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:08:02,567 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:08:03,610 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-17 19:08:03,710 INFO L? ?]: Removed 333 outVars from TransFormulas that were not future-live. [2025-03-17 19:08:03,710 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:08:03,754 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:08:03,754 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 19:08:03,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:08:03 BoogieIcfgContainer [2025-03-17 19:08:03,754 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:08:03,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:08:03,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:08:03,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:08:03,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:08:01" (1/3) ... [2025-03-17 19:08:03,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446cf230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:08:03, skipping insertion in model container [2025-03-17 19:08:03,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:08:02" (2/3) ... [2025-03-17 19:08:03,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446cf230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:08:03, skipping insertion in model container [2025-03-17 19:08:03,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:08:03" (3/3) ... [2025-03-17 19:08:03,762 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-1.i [2025-03-17 19:08:03,772 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:08:03,773 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test3-1.i that has 6 procedures, 428 locations, 1 initial locations, 36 loop locations, and 8 error locations. [2025-03-17 19:08:03,818 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:08:03,827 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;@32588e74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:08:03,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-17 19:08:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 420 states, 398 states have (on average 1.6306532663316582) internal successors, (649), 413 states have internal predecessors, (649), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 19:08:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 19:08:03,834 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:08:03,834 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 19:08:03,835 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:08:03,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:08:03,838 INFO L85 PathProgramCache]: Analyzing trace with hash 740394585, now seen corresponding path program 1 times [2025-03-17 19:08:03,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:08:03,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667733436] [2025-03-17 19:08:03,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:08:03,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:08:03,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:08:03,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:08:03,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:08:03,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:08:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:08:03,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:08:03,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667733436] [2025-03-17 19:08:03,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667733436] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:08:03,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:08:03,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:08:03,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852866304] [2025-03-17 19:08:03,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:08:03,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 19:08:03,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:08:03,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 19:08:03,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 19:08:03,985 INFO L87 Difference]: Start difference. First operand has 420 states, 398 states have (on average 1.6306532663316582) internal successors, (649), 413 states have internal predecessors, (649), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:08:04,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:08:04,080 INFO L93 Difference]: Finished difference Result 837 states and 1341 transitions. [2025-03-17 19:08:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 19:08:04,083 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-17 19:08:04,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:08:04,093 INFO L225 Difference]: With dead ends: 837 [2025-03-17 19:08:04,094 INFO L226 Difference]: Without dead ends: 412 [2025-03-17 19:08:04,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 19:08:04,102 INFO L435 NwaCegarLoop]: 560 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:08:04,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 560 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:08:04,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2025-03-17 19:08:04,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2025-03-17 19:08:04,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 394 states have (on average 1.4695431472081217) internal successors, (579), 406 states have internal predecessors, (579), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 19:08:04,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 595 transitions. [2025-03-17 19:08:04,153 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 595 transitions. Word has length 6 [2025-03-17 19:08:04,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:08:04,154 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 595 transitions. [2025-03-17 19:08:04,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:08:04,154 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 595 transitions. [2025-03-17 19:08:04,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 19:08:04,154 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:08:04,154 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 19:08:04,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:08:04,155 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:08:04,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:08:04,155 INFO L85 PathProgramCache]: Analyzing trace with hash 740395546, now seen corresponding path program 1 times [2025-03-17 19:08:04,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:08:04,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265236703] [2025-03-17 19:08:04,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:08:04,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:08:04,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:08:04,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:08:04,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:08:04,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 19:08:04,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1700038089] [2025-03-17 19:08:04,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:08:04,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:08:04,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:08:04,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:08:04,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 19:08:04,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:08:04,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:08:04,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:08:04,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:08:04,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 19:08:04,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:08:04,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-17 19:08:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:08:04,425 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:08:04,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:08:04,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265236703] [2025-03-17 19:08:04,426 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 19:08:04,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700038089] [2025-03-17 19:08:04,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700038089] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:08:04,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:08:04,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:08:04,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117369991] [2025-03-17 19:08:04,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:08:04,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:08:04,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:08:04,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:08:04,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:08:04,427 INFO L87 Difference]: Start difference. First operand 412 states and 595 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:08:04,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:08:04,686 INFO L93 Difference]: Finished difference Result 815 states and 1182 transitions. [2025-03-17 19:08:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:08:04,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-17 19:08:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:08:04,690 INFO L225 Difference]: With dead ends: 815 [2025-03-17 19:08:04,691 INFO L226 Difference]: Without dead ends: 813 [2025-03-17 19:08:04,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:08:04,692 INFO L435 NwaCegarLoop]: 531 mSDtfsCounter, 564 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:08:04,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 1582 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:08:04,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2025-03-17 19:08:04,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 418. [2025-03-17 19:08:04,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 400 states have (on average 1.465) internal successors, (586), 412 states have internal predecessors, (586), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 19:08:04,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 602 transitions. [2025-03-17 19:08:04,720 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 602 transitions. Word has length 6 [2025-03-17 19:08:04,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:08:04,721 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 602 transitions. [2025-03-17 19:08:04,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:08:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 602 transitions. [2025-03-17 19:08:04,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-17 19:08:04,722 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:08:04,722 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:08:04,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 19:08:04,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:08:04,923 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:08:04,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:08:04,923 INFO L85 PathProgramCache]: Analyzing trace with hash 199839402, now seen corresponding path program 1 times [2025-03-17 19:08:04,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:08:04,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967923980] [2025-03-17 19:08:04,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:08:04,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:08:04,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 19:08:04,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 19:08:04,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:08:04,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:08:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:08:05,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:08:05,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967923980] [2025-03-17 19:08:05,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967923980] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:08:05,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:08:05,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:08:05,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952403518] [2025-03-17 19:08:05,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:08:05,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:08:05,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:08:05,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:08:05,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:08:05,075 INFO L87 Difference]: Start difference. First operand 418 states and 602 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:08:05,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:08:05,280 INFO L93 Difference]: Finished difference Result 1019 states and 1481 transitions. [2025-03-17 19:08:05,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:08:05,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-03-17 19:08:05,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:08:05,285 INFO L225 Difference]: With dead ends: 1019 [2025-03-17 19:08:05,287 INFO L226 Difference]: Without dead ends: 812 [2025-03-17 19:08:05,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:08:05,290 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 565 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 1669 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:08:05,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 1669 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:08:05,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2025-03-17 19:08:05,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 418. [2025-03-17 19:08:05,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 400 states have (on average 1.4625) internal successors, (585), 412 states have internal predecessors, (585), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 19:08:05,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 601 transitions. [2025-03-17 19:08:05,309 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 601 transitions. Word has length 9 [2025-03-17 19:08:05,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:08:05,309 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 601 transitions. [2025-03-17 19:08:05,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:08:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 601 transitions. [2025-03-17 19:08:05,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-17 19:08:05,312 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:08:05,312 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:08:05,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:08:05,313 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:08:05,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:08:05,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1358593257, now seen corresponding path program 1 times [2025-03-17 19:08:05,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:08:05,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765540289] [2025-03-17 19:08:05,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:08:05,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:08:05,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 19:08:05,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 19:08:05,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:08:05,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:08:05,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:08:05,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:08:05,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765540289] [2025-03-17 19:08:05,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765540289] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:08:05,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:08:05,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:08:05,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194107945] [2025-03-17 19:08:05,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:08:05,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:08:05,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:08:05,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:08:05,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:08:05,628 INFO L87 Difference]: Start difference. First operand 418 states and 601 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:08:05,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:08:05,763 INFO L93 Difference]: Finished difference Result 787 states and 1129 transitions. [2025-03-17 19:08:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 19:08:05,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2025-03-17 19:08:05,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:08:05,765 INFO L225 Difference]: With dead ends: 787 [2025-03-17 19:08:05,765 INFO L226 Difference]: Without dead ends: 376 [2025-03-17 19:08:05,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:08:05,766 INFO L435 NwaCegarLoop]: 461 mSDtfsCounter, 30 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:08:05,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1364 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:08:05,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2025-03-17 19:08:05,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2025-03-17 19:08:05,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 358 states have (on average 1.4189944134078212) internal successors, (508), 370 states have internal predecessors, (508), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 19:08:05,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 524 transitions. [2025-03-17 19:08:05,776 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 524 transitions. Word has length 78 [2025-03-17 19:08:05,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:08:05,776 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 524 transitions. [2025-03-17 19:08:05,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:08:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 524 transitions. [2025-03-17 19:08:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-17 19:08:05,779 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:08:05,779 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:08:05,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:08:05,780 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:08:05,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:08:05,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2147329635, now seen corresponding path program 1 times [2025-03-17 19:08:05,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:08:05,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013966595] [2025-03-17 19:08:05,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:08:05,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:08:05,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 19:08:05,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 19:08:05,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:08:05,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:08:05,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:08:05,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:08:05,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013966595] [2025-03-17 19:08:05,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013966595] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:08:05,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:08:05,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:08:05,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643375885] [2025-03-17 19:08:05,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:08:05,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:08:05,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:08:05,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:08:05,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:08:05,914 INFO L87 Difference]: Start difference. First operand 376 states and 524 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:08:06,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:08:06,075 INFO L93 Difference]: Finished difference Result 992 states and 1398 transitions. [2025-03-17 19:08:06,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:08:06,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2025-03-17 19:08:06,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:08:06,078 INFO L225 Difference]: With dead ends: 992 [2025-03-17 19:08:06,078 INFO L226 Difference]: Without dead ends: 623 [2025-03-17 19:08:06,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:08:06,079 INFO L435 NwaCegarLoop]: 645 mSDtfsCounter, 295 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:08:06,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1100 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:08:06,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2025-03-17 19:08:06,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 619. [2025-03-17 19:08:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 601 states have (on average 1.43261231281198) internal successors, (861), 613 states have internal predecessors, (861), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 19:08:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 877 transitions. [2025-03-17 19:08:06,091 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 877 transitions. Word has length 78 [2025-03-17 19:08:06,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:08:06,092 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 877 transitions. [2025-03-17 19:08:06,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:08:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 877 transitions. [2025-03-17 19:08:06,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 19:08:06,093 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:08:06,093 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:08:06,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 19:08:06,094 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:08:06,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:08:06,094 INFO L85 PathProgramCache]: Analyzing trace with hash 237288401, now seen corresponding path program 1 times [2025-03-17 19:08:06,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:08:06,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279724981] [2025-03-17 19:08:06,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:08:06,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:08:06,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 19:08:06,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 19:08:06,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:08:06,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:08:06,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:08:06,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:08:06,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279724981] [2025-03-17 19:08:06,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279724981] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:08:06,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:08:06,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:08:06,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680221201] [2025-03-17 19:08:06,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:08:06,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:08:06,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:08:06,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:08:06,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:08:06,504 INFO L87 Difference]: Start difference. First operand 619 states and 877 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:08:06,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:08:06,715 INFO L93 Difference]: Finished difference Result 919 states and 1305 transitions. [2025-03-17 19:08:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:08:06,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 93 [2025-03-17 19:08:06,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:08:06,720 INFO L225 Difference]: With dead ends: 919 [2025-03-17 19:08:06,721 INFO L226 Difference]: Without dead ends: 917 [2025-03-17 19:08:06,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:08:06,722 INFO L435 NwaCegarLoop]: 459 mSDtfsCounter, 398 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:08:06,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 1364 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:08:06,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2025-03-17 19:08:06,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 682. [2025-03-17 19:08:06,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 661 states have (on average 1.4190620272314676) internal successors, (938), 673 states have internal predecessors, (938), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-17 19:08:06,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 960 transitions. [2025-03-17 19:08:06,750 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 960 transitions. Word has length 93 [2025-03-17 19:08:06,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:08:06,752 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 960 transitions. [2025-03-17 19:08:06,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:08:06,752 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 960 transitions. [2025-03-17 19:08:06,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-17 19:08:06,753 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:08:06,753 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:08:06,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 19:08:06,753 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:08:06,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:08:06,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1184255584, now seen corresponding path program 1 times [2025-03-17 19:08:06,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:08:06,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125000500] [2025-03-17 19:08:06,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:08:06,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:08:06,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 19:08:06,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 19:08:06,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:08:06,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:08:07,160 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:08:07,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:08:07,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125000500] [2025-03-17 19:08:07,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125000500] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:08:07,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566815152] [2025-03-17 19:08:07,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:08:07,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:08:07,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:08:07,163 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:08:07,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 19:08:07,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 19:08:07,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 19:08:07,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:08:07,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:08:07,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-17 19:08:07,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:08:07,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-17 19:08:07,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-17 19:08:07,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2025-03-17 19:08:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:08:08,174 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:08:08,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566815152] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:08:08,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:08:08,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2025-03-17 19:08:08,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971231984] [2025-03-17 19:08:08,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:08:08,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 19:08:08,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:08:08,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 19:08:08,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-17 19:08:08,176 INFO L87 Difference]: Start difference. First operand 682 states and 960 transitions. Second operand has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:08:09,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:08:09,804 INFO L93 Difference]: Finished difference Result 1570 states and 2227 transitions. [2025-03-17 19:08:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 19:08:09,804 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2025-03-17 19:08:09,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:08:09,810 INFO L225 Difference]: With dead ends: 1570 [2025-03-17 19:08:09,810 INFO L226 Difference]: Without dead ends: 931 [2025-03-17 19:08:09,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-03-17 19:08:09,812 INFO L435 NwaCegarLoop]: 500 mSDtfsCounter, 604 mSDsluCounter, 2505 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 3005 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-17 19:08:09,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 3005 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-17 19:08:09,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2025-03-17 19:08:09,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 682. [2025-03-17 19:08:09,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 661 states have (on average 1.4175491679273828) internal successors, (937), 673 states have internal predecessors, (937), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-17 19:08:09,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 959 transitions. [2025-03-17 19:08:09,837 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 959 transitions. Word has length 99 [2025-03-17 19:08:09,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:08:09,838 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 959 transitions. [2025-03-17 19:08:09,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:08:09,838 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 959 transitions. [2025-03-17 19:08:09,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-17 19:08:09,839 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:08:09,839 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:08:09,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 19:08:10,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-03-17 19:08:10,040 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:08:10,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:08:10,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1930852940, now seen corresponding path program 1 times [2025-03-17 19:08:10,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:08:10,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457874363] [2025-03-17 19:08:10,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:08:10,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:08:10,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 19:08:10,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 19:08:10,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:08:10,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:08:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 19:08:10,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:08:10,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457874363] [2025-03-17 19:08:10,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457874363] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:08:10,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915483484] [2025-03-17 19:08:10,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:08:10,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:08:10,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:08:10,326 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 19:08:10,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 19:08:10,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 19:08:10,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 19:08:10,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:08:10,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:08:10,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 19:08:10,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:09:26,499 WARN L286 SmtUtils]: Spent 11.52s on a formula simplification. DAG size of input: 30 DAG size of output: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 19:09:37,843 WARN L286 SmtUtils]: Spent 11.34s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)