./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:04:39,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:04:39,077 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:04:39,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:04:39,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:04:39,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:04:39,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:04:39,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:04:39,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:04:39,104 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:04:39,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:04:39,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:04:39,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:04:39,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:04:39,105 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:04:39,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:04:39,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:04:39,105 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:04:39,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:04:39,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:04:39,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:04:39,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:04:39,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:04:39,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:04:39,108 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:04:39,108 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:04:39,108 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:04:39,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:04:39,108 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:04:39,108 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:04:39,109 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:04:39,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:04:39,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:04:39,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:04:39,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:04:39,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:04:39,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:04:39,109 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:04:39,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:04:39,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:04:39,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:04:39,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:04:39,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:04:39,110 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:04:39,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:04:39,110 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 -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2025-03-17 19:04:39,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:04:39,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:04:39,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:04:39,360 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:04:39,361 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:04:39,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2025-03-17 19:04:40,510 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dd05666c/bda57c43d5f24c85b36d3909649b0f50/FLAG99218810b [2025-03-17 19:04:40,810 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:04:40,811 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2025-03-17 19:04:40,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dd05666c/bda57c43d5f24c85b36d3909649b0f50/FLAG99218810b [2025-03-17 19:04:40,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dd05666c/bda57c43d5f24c85b36d3909649b0f50 [2025-03-17 19:04:40,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:04:40,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:04:40,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:04:40,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:04:40,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:04:40,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:04:40" (1/1) ... [2025-03-17 19:04:40,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2249294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:40, skipping insertion in model container [2025-03-17 19:04:40,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:04:40" (1/1) ... [2025-03-17 19:04:40,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:04:41,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:04:41,196 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:04:41,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:04:41,317 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:04:41,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41 WrapperNode [2025-03-17 19:04:41,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:04:41,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:04:41,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:04:41,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:04:41,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (1/1) ... [2025-03-17 19:04:41,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (1/1) ... [2025-03-17 19:04:41,384 INFO L138 Inliner]: procedures = 208, calls = 280, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1431 [2025-03-17 19:04:41,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:04:41,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:04:41,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:04:41,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:04:41,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (1/1) ... [2025-03-17 19:04:41,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (1/1) ... [2025-03-17 19:04:41,404 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (1/1) ... [2025-03-17 19:04:41,457 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 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 19:04:41,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (1/1) ... [2025-03-17 19:04:41,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (1/1) ... [2025-03-17 19:04:41,503 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (1/1) ... [2025-03-17 19:04:41,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (1/1) ... [2025-03-17 19:04:41,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (1/1) ... [2025-03-17 19:04:41,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (1/1) ... [2025-03-17 19:04:41,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:04:41,532 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:04:41,533 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:04:41,533 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:04:41,533 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (1/1) ... [2025-03-17 19:04:41,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:04:41,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:04:41,561 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 19:04:41,566 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 19:04:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-17 19:04:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-17 19:04:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 19:04:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 19:04:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 19:04:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 19:04:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 19:04:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 19:04:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 19:04:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 19:04:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 19:04:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 19:04:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 19:04:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 19:04:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:04:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:04:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 19:04:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:04:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:04:41,752 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:04:41,754 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:04:42,815 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: 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 19:04:42,892 INFO L? ?]: Removed 339 outVars from TransFormulas that were not future-live. [2025-03-17 19:04:42,893 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:04:42,942 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:04:42,945 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 19:04:42,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:04:42 BoogieIcfgContainer [2025-03-17 19:04:42,946 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:04:42,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:04:42,949 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:04:42,952 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:04:42,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:04:40" (1/3) ... [2025-03-17 19:04:42,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc17639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:04:42, skipping insertion in model container [2025-03-17 19:04:42,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:41" (2/3) ... [2025-03-17 19:04:42,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc17639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:04:42, skipping insertion in model container [2025-03-17 19:04:42,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:04:42" (3/3) ... [2025-03-17 19:04:42,954 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-2.i [2025-03-17 19:04:42,964 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:04:42,965 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test2-2.i that has 6 procedures, 432 locations, 1 initial locations, 36 loop locations, and 8 error locations. [2025-03-17 19:04:43,024 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:04:43,033 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;@1a75a62b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:04:43,034 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-17 19:04:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 402 states have (on average 1.6293532338308458) internal successors, (655), 417 states have internal predecessors, (655), 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 19:04:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 19:04:43,042 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:04:43,042 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 19:04:43,042 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 19:04:43,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:04:43,046 INFO L85 PathProgramCache]: Analyzing trace with hash 917896282, now seen corresponding path program 1 times [2025-03-17 19:04:43,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:04:43,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73955489] [2025-03-17 19:04:43,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:04:43,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:04:43,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:04:43,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:04:43,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:04:43,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 19:04:43,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [616511792] [2025-03-17 19:04:43,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:04:43,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:04:43,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:04:43,144 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 19:04:43,146 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 19:04:43,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:04:43,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:04:43,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:04:43,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:04:43,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 19:04:43,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:04:43,323 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 19:04:43,354 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 19:04:43,356 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:04:43,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:04:43,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73955489] [2025-03-17 19:04:43,357 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 19:04:43,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616511792] [2025-03-17 19:04:43,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616511792] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:04:43,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:04:43,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:04:43,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739768793] [2025-03-17 19:04:43,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:04:43,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:04:43,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:04:43,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:04:43,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:04:43,379 INFO L87 Difference]: Start difference. First operand has 424 states, 402 states have (on average 1.6293532338308458) internal successors, (655), 417 states have internal predecessors, (655), 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 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 19:04:43,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:04:43,719 INFO L93 Difference]: Finished difference Result 1251 states and 2017 transitions. [2025-03-17 19:04:43,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:04:43,722 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 19:04:43,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:04:43,733 INFO L225 Difference]: With dead ends: 1251 [2025-03-17 19:04:43,736 INFO L226 Difference]: Without dead ends: 753 [2025-03-17 19:04:43,739 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 19:04:43,742 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 571 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 19:04:43,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1613 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 19:04:43,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2025-03-17 19:04:43,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 388. [2025-03-17 19:04:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 370 states have (on average 1.472972972972973) internal successors, (545), 382 states have internal predecessors, (545), 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 19:04:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 561 transitions. [2025-03-17 19:04:43,801 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 561 transitions. Word has length 6 [2025-03-17 19:04:43,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:04:43,801 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 561 transitions. [2025-03-17 19:04:43,801 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 19:04:43,802 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 561 transitions. [2025-03-17 19:04:43,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-17 19:04:43,804 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:04:43,804 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] [2025-03-17 19:04:43,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 19:04:44,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 19:04:44,006 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:04:44,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:04:44,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1554622197, now seen corresponding path program 1 times [2025-03-17 19:04:44,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:04:44,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927781866] [2025-03-17 19:04:44,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:04:44,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:04:44,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 19:04:44,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 19:04:44,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:04:44,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:04:44,404 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 19:04:44,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:04:44,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927781866] [2025-03-17 19:04:44,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927781866] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:04:44,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:04:44,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:04:44,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051783499] [2025-03-17 19:04:44,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:04:44,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:04:44,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:04:44,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:04:44,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:04:44,406 INFO L87 Difference]: Start difference. First operand 388 states and 561 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 19:04:44,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:04:44,639 INFO L93 Difference]: Finished difference Result 929 states and 1358 transitions. [2025-03-17 19:04:44,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:04:44,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 61 [2025-03-17 19:04:44,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:04:44,645 INFO L225 Difference]: With dead ends: 929 [2025-03-17 19:04:44,645 INFO L226 Difference]: Without dead ends: 752 [2025-03-17 19:04:44,645 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 19:04:44,646 INFO L435 NwaCegarLoop]: 492 mSDtfsCounter, 524 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:04:44,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 1465 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:04:44,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2025-03-17 19:04:44,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 388. [2025-03-17 19:04:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 370 states have (on average 1.4702702702702704) internal successors, (544), 382 states have internal predecessors, (544), 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 19:04:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 560 transitions. [2025-03-17 19:04:44,661 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 560 transitions. Word has length 61 [2025-03-17 19:04:44,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:04:44,661 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 560 transitions. [2025-03-17 19:04:44,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 19:04:44,661 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 560 transitions. [2025-03-17 19:04:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-17 19:04:44,663 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:04:44,663 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 19:04:44,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 19:04:44,663 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:04:44,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:04:44,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1940222377, now seen corresponding path program 1 times [2025-03-17 19:04:44,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:04:44,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100966396] [2025-03-17 19:04:44,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:04:44,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:04:44,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 19:04:44,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 19:04:44,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:04:44,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:04:44,862 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 19:04:44,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:04:44,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100966396] [2025-03-17 19:04:44,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100966396] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:04:44,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:04:44,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:04:44,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360564436] [2025-03-17 19:04:44,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:04:44,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:04:44,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:04:44,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:04:44,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:04:44,863 INFO L87 Difference]: Start difference. First operand 388 states and 560 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 19:04:44,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:04:44,983 INFO L93 Difference]: Finished difference Result 727 states and 1047 transitions. [2025-03-17 19:04:44,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 19:04:44,983 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 19:04:44,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:04:44,985 INFO L225 Difference]: With dead ends: 727 [2025-03-17 19:04:44,985 INFO L226 Difference]: Without dead ends: 346 [2025-03-17 19:04:44,985 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 19:04:44,986 INFO L435 NwaCegarLoop]: 421 mSDtfsCounter, 30 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1244 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:04:44,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1244 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:04:44,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2025-03-17 19:04:44,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2025-03-17 19:04:45,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 328 states have (on average 1.423780487804878) internal successors, (467), 340 states have internal predecessors, (467), 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 19:04:45,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 483 transitions. [2025-03-17 19:04:45,006 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 483 transitions. Word has length 78 [2025-03-17 19:04:45,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:04:45,006 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 483 transitions. [2025-03-17 19:04:45,006 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 19:04:45,006 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 483 transitions. [2025-03-17 19:04:45,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-17 19:04:45,007 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:04:45,007 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 19:04:45,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:04:45,009 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 19:04:45,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:04:45,009 INFO L85 PathProgramCache]: Analyzing trace with hash 453366691, now seen corresponding path program 1 times [2025-03-17 19:04:45,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:04:45,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060452579] [2025-03-17 19:04:45,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:04:45,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:04:45,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 19:04:45,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 19:04:45,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:04:45,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:04:45,187 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 19:04:45,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:04:45,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060452579] [2025-03-17 19:04:45,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060452579] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:04:45,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:04:45,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:04:45,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738126065] [2025-03-17 19:04:45,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:04:45,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:04:45,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:04:45,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:04:45,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:04:45,189 INFO L87 Difference]: Start difference. First operand 346 states and 483 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 19:04:45,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:04:45,329 INFO L93 Difference]: Finished difference Result 919 states and 1302 transitions. [2025-03-17 19:04:45,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:04:45,330 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 19:04:45,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:04:45,332 INFO L225 Difference]: With dead ends: 919 [2025-03-17 19:04:45,332 INFO L226 Difference]: Without dead ends: 580 [2025-03-17 19:04:45,333 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 19:04:45,333 INFO L435 NwaCegarLoop]: 614 mSDtfsCounter, 274 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:04:45,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 1039 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:04:45,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2025-03-17 19:04:45,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 576. [2025-03-17 19:04:45,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 553 states have (on average 1.4430379746835442) internal successors, (798), 570 states have internal predecessors, (798), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 19:04:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 824 transitions. [2025-03-17 19:04:45,359 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 824 transitions. Word has length 78 [2025-03-17 19:04:45,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:04:45,359 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 824 transitions. [2025-03-17 19:04:45,359 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 19:04:45,359 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 824 transitions. [2025-03-17 19:04:45,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 19:04:45,363 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:04:45,363 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 19:04:45,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:04:45,363 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 19:04:45,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:04:45,364 INFO L85 PathProgramCache]: Analyzing trace with hash -265271657, now seen corresponding path program 1 times [2025-03-17 19:04:45,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:04:45,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983185888] [2025-03-17 19:04:45,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:04:45,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:04:45,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 19:04:45,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 19:04:45,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:04:45,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:04:45,686 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 19:04:45,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:04:45,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983185888] [2025-03-17 19:04:45,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983185888] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:04:45,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:04:45,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:04:45,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406066916] [2025-03-17 19:04:45,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:04:45,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:04:45,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:04:45,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:04:45,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:04:45,693 INFO L87 Difference]: Start difference. First operand 576 states and 824 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 19:04:45,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:04:45,878 INFO L93 Difference]: Finished difference Result 833 states and 1200 transitions. [2025-03-17 19:04:45,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:04:45,879 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 19:04:45,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:04:45,882 INFO L225 Difference]: With dead ends: 833 [2025-03-17 19:04:45,882 INFO L226 Difference]: Without dead ends: 831 [2025-03-17 19:04:45,882 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 19:04:45,883 INFO L435 NwaCegarLoop]: 421 mSDtfsCounter, 357 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:04:45,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1248 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:04:45,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2025-03-17 19:04:45,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 639. [2025-03-17 19:04:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 613 states have (on average 1.4274061990212072) internal successors, (875), 630 states have internal predecessors, (875), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 19:04:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 907 transitions. [2025-03-17 19:04:45,902 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 907 transitions. Word has length 93 [2025-03-17 19:04:45,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:04:45,903 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 907 transitions. [2025-03-17 19:04:45,903 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 19:04:45,903 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 907 transitions. [2025-03-17 19:04:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-17 19:04:45,904 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:04:45,904 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 19:04:45,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 19:04:45,904 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 19:04:45,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:04:45,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1211366874, now seen corresponding path program 1 times [2025-03-17 19:04:45,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:04:45,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902728499] [2025-03-17 19:04:45,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:04:45,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:04:45,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 19:04:46,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 19:04:46,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:04:46,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:04:46,234 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 19:04:46,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:04:46,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902728499] [2025-03-17 19:04:46,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902728499] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:04:46,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663689261] [2025-03-17 19:04:46,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:04:46,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:04:46,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:04:46,237 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 19:04:46,239 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 19:04:46,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 19:04:46,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 19:04:46,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:04:46,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:04:46,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-17 19:04:46,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:04:46,504 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 19:04:46,525 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 19:04:46,538 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 19:04:47,227 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 19:04:47,227 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:04:47,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663689261] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:04:47,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:04:47,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 13 [2025-03-17 19:04:47,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919313537] [2025-03-17 19:04:47,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:04:47,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 19:04:47,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:04:47,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 19:04:47,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-17 19:04:47,229 INFO L87 Difference]: Start difference. First operand 639 states and 907 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 19:04:49,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:04:49,211 INFO L93 Difference]: Finished difference Result 1441 states and 2069 transitions. [2025-03-17 19:04:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 19:04:49,212 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 19:04:49,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:04:49,215 INFO L225 Difference]: With dead ends: 1441 [2025-03-17 19:04:49,215 INFO L226 Difference]: Without dead ends: 845 [2025-03-17 19:04:49,217 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 19:04:49,217 INFO L435 NwaCegarLoop]: 462 mSDtfsCounter, 564 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 2770 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-17 19:04:49,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 2770 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-17 19:04:49,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2025-03-17 19:04:49,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 639. [2025-03-17 19:04:49,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 613 states have (on average 1.4257748776508972) internal successors, (874), 630 states have internal predecessors, (874), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 19:04:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 906 transitions. [2025-03-17 19:04:49,244 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 906 transitions. Word has length 99 [2025-03-17 19:04:49,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:04:49,244 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 906 transitions. [2025-03-17 19:04:49,244 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 19:04:49,244 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 906 transitions. [2025-03-17 19:04:49,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-17 19:04:49,245 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:04:49,245 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 19:04:49,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 19:04:49,445 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,SelfDestructingSolverStorable5 [2025-03-17 19:04:49,446 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 19:04:49,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:04:49,446 INFO L85 PathProgramCache]: Analyzing trace with hash -560441228, now seen corresponding path program 1 times [2025-03-17 19:04:49,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:04:49,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992986730] [2025-03-17 19:04:49,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:04:49,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:04:49,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 19:04:49,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 19:04:49,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:04:49,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:04:49,716 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 19:04:49,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:04:49,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992986730] [2025-03-17 19:04:49,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992986730] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:04:49,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888501390] [2025-03-17 19:04:49,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:04:49,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:04:49,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:04:49,723 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 19:04:49,724 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 19:04:49,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 19:04:50,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 19:04:50,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:04:50,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:04:50,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 19:04:50,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:05:56,327 WARN L286 SmtUtils]: Spent 5.86s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 19:06:11,216 WARN L286 SmtUtils]: Spent 7.90s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 19:06:17,771 WARN L286 SmtUtils]: Spent 6.55s 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)