./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:12:22,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:12:22,346 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 18:12:22,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:12:22,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:12:22,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:12:22,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:12:22,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:12:22,385 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:12:22,385 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:12:22,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 18:12:22,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 18:12:22,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:12:22,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:12:22,386 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:12:22,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:12:22,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 18:12:22,386 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 18:12:22,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:12:22,387 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:12:22,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:12:22,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 18:12:22,388 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 18:12:22,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 18:12:22,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:12:22,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 18:12:22,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 18:12:22,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 18:12:22,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 18:12:22,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 18:12:22,389 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-jdk21/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 -> 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 [2025-02-06 18:12:22,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:12:22,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:12:22,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:12:22,644 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:12:22,644 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:12:22,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2025-02-06 18:12:23,839 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6d2e2fe2/0d2fb298071f4b8db4f8575992e994c3/FLAG5cca830bf [2025-02-06 18:12:24,156 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:12:24,157 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2025-02-06 18:12:24,173 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6d2e2fe2/0d2fb298071f4b8db4f8575992e994c3/FLAG5cca830bf [2025-02-06 18:12:24,185 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6d2e2fe2/0d2fb298071f4b8db4f8575992e994c3 [2025-02-06 18:12:24,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:12:24,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:12:24,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:12:24,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:12:24,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:12:24,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe7097d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24, skipping insertion in model container [2025-02-06 18:12:24,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,224 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:12:24,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:12:24,590 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:12:24,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:12:24,683 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:12:24,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24 WrapperNode [2025-02-06 18:12:24,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:12:24,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:12:24,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:12:24,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:12:24,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,748 INFO L138 Inliner]: procedures = 177, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1577 [2025-02-06 18:12:24,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:12:24,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:12:24,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:12:24,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:12:24,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,766 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,831 INFO L175 MemorySlicer]: Split 303 memory accesses to 3 slices as follows [2, 34, 267]. 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, 4, 58]. [2025-02-06 18:12:24,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,858 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:12:24,881 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:12:24,881 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:12:24,881 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:12:24,885 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (1/1) ... [2025-02-06 18:12:24,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:12:24,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:12:24,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 18:12:24,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 18:12:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-06 18:12:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-06 18:12:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 18:12:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 18:12:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 18:12:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 18:12:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 18:12:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 18:12:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 18:12:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 18:12:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 18:12:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 18:12:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:12:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:12:25,128 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:12:25,130 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:12:26,125 INFO L1309 $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; [2025-02-06 18:12:26,205 INFO L? ?]: Removed 355 outVars from TransFormulas that were not future-live. [2025-02-06 18:12:26,205 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:12:26,240 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:12:26,240 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-06 18:12:26,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:12:26 BoogieIcfgContainer [2025-02-06 18:12:26,241 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:12:26,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 18:12:26,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 18:12:26,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 18:12:26,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:12:24" (1/3) ... [2025-02-06 18:12:26,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200f4635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:12:26, skipping insertion in model container [2025-02-06 18:12:26,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:12:24" (2/3) ... [2025-02-06 18:12:26,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200f4635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:12:26, skipping insertion in model container [2025-02-06 18:12:26,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:12:26" (3/3) ... [2025-02-06 18:12:26,248 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-2.i [2025-02-06 18:12:26,258 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 18:12:26,259 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test3-2.i that has 6 procedures, 465 locations, 1 initial locations, 43 loop locations, and 8 error locations. [2025-02-06 18:12:26,300 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 18:12:26,308 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;@a65183c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 18:12:26,309 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-06 18:12:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 457 states, 435 states have (on average 1.625287356321839) internal successors, (707), 450 states have internal predecessors, (707), 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) [2025-02-06 18:12:26,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 18:12:26,316 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:12:26,316 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:12:26,317 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)] === [2025-02-06 18:12:26,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:12:26,320 INFO L85 PathProgramCache]: Analyzing trace with hash -220289085, now seen corresponding path program 1 times [2025-02-06 18:12:26,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:12:26,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842350092] [2025-02-06 18:12:26,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:12:26,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:12:26,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:12:26,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:12:26,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:12:26,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:12:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:12:26,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:12:26,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842350092] [2025-02-06 18:12:26,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842350092] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:12:26,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:12:26,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:12:26,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645478356] [2025-02-06 18:12:26,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:12:26,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 18:12:26,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:12:26,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 18:12:26,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 18:12:26,439 INFO L87 Difference]: Start difference. First operand has 457 states, 435 states have (on average 1.625287356321839) internal successors, (707), 450 states have internal predecessors, (707), 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 3.5) 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) [2025-02-06 18:12:26,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:12:26,527 INFO L93 Difference]: Finished difference Result 910 states and 1456 transitions. [2025-02-06 18:12:26,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 18:12:26,530 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 [2025-02-06 18:12:26,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:12:26,540 INFO L225 Difference]: With dead ends: 910 [2025-02-06 18:12:26,540 INFO L226 Difference]: Without dead ends: 416 [2025-02-06 18:12:26,546 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 [2025-02-06 18:12:26,549 INFO L435 NwaCegarLoop]: 609 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, 609 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 18:12:26,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 609 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 18:12:26,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2025-02-06 18:12:26,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2025-02-06 18:12:26,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 398 states have (on average 1.464824120603015) internal successors, (583), 410 states have internal predecessors, (583), 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) [2025-02-06 18:12:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 599 transitions. [2025-02-06 18:12:26,614 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 599 transitions. Word has length 7 [2025-02-06 18:12:26,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:12:26,615 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 599 transitions. [2025-02-06 18:12:26,615 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) [2025-02-06 18:12:26,615 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 599 transitions. [2025-02-06 18:12:26,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 18:12:26,615 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:12:26,615 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:12:26,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 18:12:26,616 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)] === [2025-02-06 18:12:26,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:12:26,617 INFO L85 PathProgramCache]: Analyzing trace with hash -220288124, now seen corresponding path program 1 times [2025-02-06 18:12:26,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:12:26,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941868816] [2025-02-06 18:12:26,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:12:26,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:12:26,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:12:26,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:12:26,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:12:26,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 18:12:26,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [277623724] [2025-02-06 18:12:26,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:12:26,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:12:26,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:12:26,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:12:26,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 18:12:26,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:12:26,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:12:26,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:12:26,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:12:26,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 18:12:26,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:12:26,794 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 [2025-02-06 18:12:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:12:26,816 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:12:26,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:12:26,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941868816] [2025-02-06 18:12:26,817 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 18:12:26,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277623724] [2025-02-06 18:12:26,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277623724] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:12:26,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:12:26,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:12:26,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401937818] [2025-02-06 18:12:26,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:12:26,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:12:26,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:12:26,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:12:26,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:12:26,819 INFO L87 Difference]: Start difference. First operand 416 states and 599 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) [2025-02-06 18:12:27,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:12:27,024 INFO L93 Difference]: Finished difference Result 822 states and 1189 transitions. [2025-02-06 18:12:27,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:12:27,024 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 [2025-02-06 18:12:27,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:12:27,028 INFO L225 Difference]: With dead ends: 822 [2025-02-06 18:12:27,028 INFO L226 Difference]: Without dead ends: 820 [2025-02-06 18:12:27,029 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 [2025-02-06 18:12:27,029 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 567 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 1596 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 [2025-02-06 18:12:27,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 1596 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:12:27,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2025-02-06 18:12:27,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 422. [2025-02-06 18:12:27,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 404 states have (on average 1.4603960396039604) internal successors, (590), 416 states have internal predecessors, (590), 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) [2025-02-06 18:12:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 606 transitions. [2025-02-06 18:12:27,049 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 606 transitions. Word has length 7 [2025-02-06 18:12:27,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:12:27,049 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 606 transitions. [2025-02-06 18:12:27,049 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) [2025-02-06 18:12:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 606 transitions. [2025-02-06 18:12:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-06 18:12:27,049 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:12:27,049 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:12:27,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 18:12:27,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:12:27,254 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)] === [2025-02-06 18:12:27,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:12:27,255 INFO L85 PathProgramCache]: Analyzing trace with hash 2105160121, now seen corresponding path program 1 times [2025-02-06 18:12:27,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:12:27,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066804367] [2025-02-06 18:12:27,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:12:27,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:12:27,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 18:12:27,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 18:12:27,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:12:27,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:12:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:12:27,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:12:27,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066804367] [2025-02-06 18:12:27,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066804367] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:12:27,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:12:27,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:12:27,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119721392] [2025-02-06 18:12:27,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:12:27,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:12:27,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:12:27,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:12:27,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:12:27,346 INFO L87 Difference]: Start difference. First operand 422 states and 606 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-02-06 18:12:27,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:12:27,536 INFO L93 Difference]: Finished difference Result 1028 states and 1490 transitions. [2025-02-06 18:12:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:12:27,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2025-02-06 18:12:27,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:12:27,540 INFO L225 Difference]: With dead ends: 1028 [2025-02-06 18:12:27,540 INFO L226 Difference]: Without dead ends: 819 [2025-02-06 18:12:27,540 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 [2025-02-06 18:12:27,541 INFO L435 NwaCegarLoop]: 576 mSDtfsCounter, 568 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 1677 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 [2025-02-06 18:12:27,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 1677 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:12:27,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2025-02-06 18:12:27,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 422. [2025-02-06 18:12:27,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 404 states have (on average 1.4579207920792079) internal successors, (589), 416 states have internal predecessors, (589), 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) [2025-02-06 18:12:27,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 605 transitions. [2025-02-06 18:12:27,574 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 605 transitions. Word has length 10 [2025-02-06 18:12:27,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:12:27,574 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 605 transitions. [2025-02-06 18:12:27,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-02-06 18:12:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 605 transitions. [2025-02-06 18:12:27,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-06 18:12:27,576 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:12:27,576 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:12:27,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 18:12:27,576 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)] === [2025-02-06 18:12:27,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:12:27,577 INFO L85 PathProgramCache]: Analyzing trace with hash 423774924, now seen corresponding path program 1 times [2025-02-06 18:12:27,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:12:27,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767835620] [2025-02-06 18:12:27,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:12:27,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:12:27,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 18:12:27,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 18:12:27,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:12:27,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:12:27,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:12:27,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:12:27,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767835620] [2025-02-06 18:12:27,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767835620] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:12:27,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:12:27,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:12:27,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125283619] [2025-02-06 18:12:27,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:12:27,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:12:27,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:12:27,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:12:27,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:12:27,878 INFO L87 Difference]: Start difference. First operand 422 states and 605 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2025-02-06 18:12:28,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:12:28,008 INFO L93 Difference]: Finished difference Result 794 states and 1136 transitions. [2025-02-06 18:12:28,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:12:28,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2025-02-06 18:12:28,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:12:28,010 INFO L225 Difference]: With dead ends: 794 [2025-02-06 18:12:28,010 INFO L226 Difference]: Without dead ends: 380 [2025-02-06 18:12:28,010 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 [2025-02-06 18:12:28,011 INFO L435 NwaCegarLoop]: 465 mSDtfsCounter, 30 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1376 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 [2025-02-06 18:12:28,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1376 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:12:28,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-02-06 18:12:28,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2025-02-06 18:12:28,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 362 states have (on average 1.4143646408839778) internal successors, (512), 374 states have internal predecessors, (512), 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) [2025-02-06 18:12:28,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 528 transitions. [2025-02-06 18:12:28,036 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 528 transitions. Word has length 80 [2025-02-06 18:12:28,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:12:28,036 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 528 transitions. [2025-02-06 18:12:28,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2025-02-06 18:12:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 528 transitions. [2025-02-06 18:12:28,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-06 18:12:28,038 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:12:28,038 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:12:28,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 18:12:28,038 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)] === [2025-02-06 18:12:28,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:12:28,038 INFO L85 PathProgramCache]: Analyzing trace with hash 968450310, now seen corresponding path program 1 times [2025-02-06 18:12:28,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:12:28,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654619908] [2025-02-06 18:12:28,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:12:28,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:12:28,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 18:12:28,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 18:12:28,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:12:28,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:12:28,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:12:28,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:12:28,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654619908] [2025-02-06 18:12:28,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654619908] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:12:28,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:12:28,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:12:28,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162250502] [2025-02-06 18:12:28,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:12:28,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:12:28,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:12:28,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:12:28,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:12:28,215 INFO L87 Difference]: Start difference. First operand 380 states and 528 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2025-02-06 18:12:28,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:12:28,354 INFO L93 Difference]: Finished difference Result 1018 states and 1434 transitions. [2025-02-06 18:12:28,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:12:28,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2025-02-06 18:12:28,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:12:28,358 INFO L225 Difference]: With dead ends: 1018 [2025-02-06 18:12:28,358 INFO L226 Difference]: Without dead ends: 646 [2025-02-06 18:12:28,358 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 [2025-02-06 18:12:28,359 INFO L435 NwaCegarLoop]: 675 mSDtfsCounter, 314 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:12:28,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 1139 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:12:28,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2025-02-06 18:12:28,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 625. [2025-02-06 18:12:28,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 607 states have (on average 1.42833607907743) internal successors, (867), 619 states have internal predecessors, (867), 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) [2025-02-06 18:12:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 883 transitions. [2025-02-06 18:12:28,374 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 883 transitions. Word has length 80 [2025-02-06 18:12:28,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:12:28,375 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 883 transitions. [2025-02-06 18:12:28,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2025-02-06 18:12:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 883 transitions. [2025-02-06 18:12:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-06 18:12:28,376 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:12:28,376 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:12:28,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 18:12:28,376 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)] === [2025-02-06 18:12:28,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:12:28,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1740048809, now seen corresponding path program 1 times [2025-02-06 18:12:28,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:12:28,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815337216] [2025-02-06 18:12:28,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:12:28,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:12:28,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-06 18:12:28,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-06 18:12:28,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:12:28,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:12:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:12:28,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:12:28,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815337216] [2025-02-06 18:12:28,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815337216] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:12:28,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:12:28,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:12:28,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571861283] [2025-02-06 18:12:28,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:12:28,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:12:28,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:12:28,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:12:28,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:12:28,719 INFO L87 Difference]: Start difference. First operand 625 states and 883 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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) [2025-02-06 18:12:28,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:12:28,877 INFO L93 Difference]: Finished difference Result 927 states and 1313 transitions. [2025-02-06 18:12:28,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:12:28,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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 95 [2025-02-06 18:12:28,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:12:28,885 INFO L225 Difference]: With dead ends: 927 [2025-02-06 18:12:28,885 INFO L226 Difference]: Without dead ends: 925 [2025-02-06 18:12:28,885 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 [2025-02-06 18:12:28,887 INFO L435 NwaCegarLoop]: 503 mSDtfsCounter, 400 mSDsluCounter, 953 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:12:28,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 1456 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:12:28,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2025-02-06 18:12:28,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 688. [2025-02-06 18:12:28,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 667 states have (on average 1.4152923538230884) internal successors, (944), 679 states have internal predecessors, (944), 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) [2025-02-06 18:12:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 966 transitions. [2025-02-06 18:12:28,910 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 966 transitions. Word has length 95 [2025-02-06 18:12:28,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:12:28,911 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 966 transitions. [2025-02-06 18:12:28,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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) [2025-02-06 18:12:28,911 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 966 transitions. [2025-02-06 18:12:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-06 18:12:28,913 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:12:28,914 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] [2025-02-06 18:12:28,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 18:12:28,914 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)] === [2025-02-06 18:12:28,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:12:28,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1679887001, now seen corresponding path program 1 times [2025-02-06 18:12:28,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:12:28,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237995033] [2025-02-06 18:12:28,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:12:28,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:12:28,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-06 18:12:29,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-06 18:12:29,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:12:29,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:12:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:12:29,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:12:29,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237995033] [2025-02-06 18:12:29,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237995033] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:12:29,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024788033] [2025-02-06 18:12:29,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:12:29,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:12:29,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:12:29,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:12:29,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 18:12:29,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-06 18:12:29,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-06 18:12:29,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:12:29,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:12:29,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-06 18:12:29,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:12:29,507 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 [2025-02-06 18:12:29,520 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 [2025-02-06 18:12:29,533 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 [2025-02-06 18:12:30,094 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 18:12:30,095 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:12:30,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024788033] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:12:30,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:12:30,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-02-06 18:12:30,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908260180] [2025-02-06 18:12:30,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:12:30,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 18:12:30,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:12:30,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 18:12:30,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-06 18:12:30,096 INFO L87 Difference]: Start difference. First operand 688 states and 966 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:12:31,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:12:31,608 INFO L93 Difference]: Finished difference Result 1582 states and 2239 transitions. [2025-02-06 18:12:31,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 18:12:31,608 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2025-02-06 18:12:31,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:12:31,611 INFO L225 Difference]: With dead ends: 1582 [2025-02-06 18:12:31,611 INFO L226 Difference]: Without dead ends: 939 [2025-02-06 18:12:31,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-06 18:12:31,613 INFO L435 NwaCegarLoop]: 503 mSDtfsCounter, 606 mSDsluCounter, 2885 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 3388 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:12:31,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 3388 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-06 18:12:31,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2025-02-06 18:12:31,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 688. [2025-02-06 18:12:31,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 667 states have (on average 1.4137931034482758) internal successors, (943), 679 states have internal predecessors, (943), 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) [2025-02-06 18:12:31,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 965 transitions. [2025-02-06 18:12:31,628 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 965 transitions. Word has length 101 [2025-02-06 18:12:31,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:12:31,628 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 965 transitions. [2025-02-06 18:12:31,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:12:31,628 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 965 transitions. [2025-02-06 18:12:31,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-06 18:12:31,629 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:12:31,629 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:12:31,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 18:12:31,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:12:31,830 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)] === [2025-02-06 18:12:31,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:12:31,831 INFO L85 PathProgramCache]: Analyzing trace with hash 708109720, now seen corresponding path program 1 times [2025-02-06 18:12:31,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:12:31,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863162705] [2025-02-06 18:12:31,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:12:31,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:12:31,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 18:12:31,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 18:12:31,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:12:31,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:12:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:12:32,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:12:32,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863162705] [2025-02-06 18:12:32,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863162705] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:12:32,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513917730] [2025-02-06 18:12:32,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:12:32,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:12:32,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:12:32,121 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:12:32,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 18:12:32,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 18:12:32,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 18:12:32,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:12:32,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:12:32,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-06 18:12:32,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:13:44,442 WARN L286 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-02-06 18:14:02,850 WARN L286 SmtUtils]: Spent 6.44s 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)