./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2.c --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/recursified_nla-digbench/recursified_geo2.c -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 dfa146aa1f7e35376cbccd06e874bc54d20f2c59efb61bc729adb7e4f2824594 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:48:32,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:48:32,462 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:48:32,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:48:32,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:48:32,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:48:32,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:48:32,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:48:32,479 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:48:32,479 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:48:32,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:48:32,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:48:32,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:48:32,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:48:32,481 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:48:32,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:48:32,481 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:48:32,481 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 -> dfa146aa1f7e35376cbccd06e874bc54d20f2c59efb61bc729adb7e4f2824594 [2025-03-17 15:48:32,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:48:32,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:48:32,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:48:32,701 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:48:32,702 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:48:32,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2.c [2025-03-17 15:48:33,868 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd14b1c96/f52608892a9e40b4812300eb874f5165/FLAG3ba188ac8 [2025-03-17 15:48:34,311 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:48:34,311 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_geo2.c [2025-03-17 15:48:34,396 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd14b1c96/f52608892a9e40b4812300eb874f5165/FLAG3ba188ac8 [2025-03-17 15:48:34,508 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd14b1c96/f52608892a9e40b4812300eb874f5165 [2025-03-17 15:48:34,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:48:34,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:48:34,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:48:34,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:48:34,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:48:34,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42eb77c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34, skipping insertion in model container [2025-03-17 15:48:34,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:48:34,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:48:34,741 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:48:34,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:48:34,782 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:48:34,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34 WrapperNode [2025-03-17 15:48:34,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:48:34,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:48:34,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:48:34,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:48:34,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,815 INFO L138 Inliner]: procedures = 16, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2025-03-17 15:48:34,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:48:34,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:48:34,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:48:34,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:48:34,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,824 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,835 INFO L175 MemorySlicer]: Split 34 memory accesses to 7 slices as follows [2, 7, 7, 2, 7, 5, 4]. 21 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 0, 7, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 0, 1, 2, 2, 2]. [2025-03-17 15:48:34,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,839 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:48:34,843 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:48:34,843 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:48:34,844 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:48:34,844 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (1/1) ... [2025-03-17 15:48:34,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:48:34,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:48:34,874 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 15:48:34,876 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 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_38_0 [2025-03-17 15:48:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_38_0 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:48:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 15:48:34,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 15:48:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:48:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:48:34,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 15:48:34,982 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:48:34,984 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:48:35,298 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L77: call ULTIMATE.dealloc(main_~#z~0#1.base, main_~#z~0#1.offset);havoc main_~#z~0#1.base, main_~#z~0#1.offset;call ULTIMATE.dealloc(main_~#k~0#1.base, main_~#k~0#1.offset);havoc main_~#k~0#1.base, main_~#k~0#1.offset;call ULTIMATE.dealloc(main_~#x~0#1.base, main_~#x~0#1.offset);havoc main_~#x~0#1.base, main_~#x~0#1.offset;call ULTIMATE.dealloc(main_~#y~0#1.base, main_~#y~0#1.offset);havoc main_~#y~0#1.base, main_~#y~0#1.offset;call ULTIMATE.dealloc(main_~#c~0#1.base, main_~#c~0#1.offset);havoc main_~#c~0#1.base, main_~#c~0#1.offset; [2025-03-17 15:48:35,323 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2025-03-17 15:48:35,323 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:48:35,336 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:48:35,338 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:48:35,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:48:35 BoogieIcfgContainer [2025-03-17 15:48:35,338 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:48:35,340 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:48:35,340 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:48:35,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:48:35,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:48:34" (1/3) ... [2025-03-17 15:48:35,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6e628d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:48:35, skipping insertion in model container [2025-03-17 15:48:35,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:48:34" (2/3) ... [2025-03-17 15:48:35,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6e628d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:48:35, skipping insertion in model container [2025-03-17 15:48:35,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:48:35" (3/3) ... [2025-03-17 15:48:35,349 INFO L128 eAbstractionObserver]: Analyzing ICFG recursified_geo2.c [2025-03-17 15:48:35,363 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:48:35,364 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_geo2.c that has 3 procedures, 76 locations, 1 initial locations, 0 loop locations, and 28 error locations. [2025-03-17 15:48:35,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:48:35,420 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;@27456b50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:48:35,420 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2025-03-17 15:48:35,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 41 states have (on average 1.7560975609756098) internal successors, (72), 70 states have internal predecessors, (72), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:48:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-17 15:48:35,427 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:48:35,427 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-17 15:48:35,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_30_to_38_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2025-03-17 15:48:35,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:48:35,432 INFO L85 PathProgramCache]: Analyzing trace with hash 99576351, now seen corresponding path program 1 times [2025-03-17 15:48:35,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:48:35,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781851536] [2025-03-17 15:48:35,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:48:35,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:48:35,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 15:48:35,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 15:48:35,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:48:35,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:48:35,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [411099916] [2025-03-17 15:48:35,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:48:35,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:48:35,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:48:35,551 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 15:48:35,553 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 15:48:35,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 15:48:35,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 15:48:35,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:48:35,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:48:35,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-17 15:48:35,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:48:35,734 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 15 treesize of output 1 [2025-03-17 15:48:35,740 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 15:48:35,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2025-03-17 15:48:35,840 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 15:48:35,840 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:48:35,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:48:35,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781851536] [2025-03-17 15:48:35,842 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:48:35,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411099916] [2025-03-17 15:48:35,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411099916] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:48:35,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:48:35,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:48:35,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646890543] [2025-03-17 15:48:35,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:48:35,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:48:35,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:48:35,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:48:35,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:48:35,866 INFO L87 Difference]: Start difference. First operand has 76 states, 41 states have (on average 1.7560975609756098) internal successors, (72), 70 states have internal predecessors, (72), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:48:36,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:48:36,048 INFO L93 Difference]: Finished difference Result 196 states and 213 transitions. [2025-03-17 15:48:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:48:36,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-17 15:48:36,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:48:36,054 INFO L225 Difference]: With dead ends: 196 [2025-03-17 15:48:36,054 INFO L226 Difference]: Without dead ends: 117 [2025-03-17 15:48:36,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:48:36,058 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 89 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:48:36,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 290 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:48:36,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-03-17 15:48:36,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 88. [2025-03-17 15:48:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 53 states have (on average 1.6981132075471699) internal successors, (90), 81 states have internal predecessors, (90), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:48:36,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2025-03-17 15:48:36,096 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 5 [2025-03-17 15:48:36,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:48:36,097 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2025-03-17 15:48:36,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:48:36,097 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2025-03-17 15:48:36,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 15:48:36,097 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:48:36,098 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 15:48:36,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 15:48:36,302 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 15:48:36,302 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_30_to_38_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2025-03-17 15:48:36,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:48:36,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1208100406, now seen corresponding path program 1 times [2025-03-17 15:48:36,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:48:36,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298904565] [2025-03-17 15:48:36,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:48:36,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:48:36,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 15:48:36,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 15:48:36,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:48:36,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:48:36,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737370121] [2025-03-17 15:48:36,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:48:36,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:48:36,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:48:36,347 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 15:48:36,348 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 15:48:36,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 15:48:36,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 15:48:36,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:48:36,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:48:36,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-17 15:48:36,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:48:36,429 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 15:48:36,437 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 15 treesize of output 1 [2025-03-17 15:48:36,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2025-03-17 15:48:36,518 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 15:48:36,519 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:48:36,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:48:36,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298904565] [2025-03-17 15:48:36,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:48:36,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737370121] [2025-03-17 15:48:36,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737370121] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:48:36,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:48:36,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:48:36,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948033855] [2025-03-17 15:48:36,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:48:36,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:48:36,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:48:36,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:48:36,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:48:36,520 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:48:36,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:48:36,654 INFO L93 Difference]: Finished difference Result 117 states and 120 transitions. [2025-03-17 15:48:36,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:48:36,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 15:48:36,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:48:36,655 INFO L225 Difference]: With dead ends: 117 [2025-03-17 15:48:36,656 INFO L226 Difference]: Without dead ends: 116 [2025-03-17 15:48:36,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:48:36,656 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 86 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:48:36,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 264 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:48:36,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-03-17 15:48:36,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 88. [2025-03-17 15:48:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 53 states have (on average 1.679245283018868) internal successors, (89), 81 states have internal predecessors, (89), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:48:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2025-03-17 15:48:36,665 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 6 [2025-03-17 15:48:36,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:48:36,665 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2025-03-17 15:48:36,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:48:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2025-03-17 15:48:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-17 15:48:36,665 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:48:36,665 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:48:36,671 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 15:48:36,866 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,SelfDestructingSolverStorable1 [2025-03-17 15:48:36,866 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting func_to_recursive_line_30_to_38_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2025-03-17 15:48:36,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:48:36,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1343320024, now seen corresponding path program 1 times [2025-03-17 15:48:36,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:48:36,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042720940] [2025-03-17 15:48:36,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:48:36,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:48:36,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 15:48:36,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 15:48:36,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:48:36,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:48:36,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1032214271] [2025-03-17 15:48:36,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:48:36,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:48:36,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:48:36,946 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 15:48:36,947 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 15:48:36,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 15:48:37,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 15:48:37,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:48:37,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 15:48:37,019 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 15:48:37,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 15:48:37,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 15:48:37,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:48:37,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 15:48:37,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 15:48:37,051 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 15:48:37,052 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location func_to_recursive_line_30_to_38_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2025-03-17 15:48:37,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2025-03-17 15:48:37,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2025-03-17 15:48:37,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2025-03-17 15:48:37,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2025-03-17 15:48:37,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2025-03-17 15:48:37,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2025-03-17 15:48:37,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2025-03-17 15:48:37,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2025-03-17 15:48:37,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2025-03-17 15:48:37,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2025-03-17 15:48:37,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2025-03-17 15:48:37,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2025-03-17 15:48:37,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2025-03-17 15:48:37,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2025-03-17 15:48:37,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2025-03-17 15:48:37,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2025-03-17 15:48:37,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2025-03-17 15:48:37,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2025-03-17 15:48:37,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2025-03-17 15:48:37,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2025-03-17 15:48:37,057 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2025-03-17 15:48:37,058 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2025-03-17 15:48:37,058 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2025-03-17 15:48:37,058 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2025-03-17 15:48:37,058 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2025-03-17 15:48:37,058 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2025-03-17 15:48:37,058 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2025-03-17 15:48:37,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 15:48:37,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:48:37,261 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-17 15:48:37,277 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 15:48:37,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:48:37 BoogieIcfgContainer [2025-03-17 15:48:37,279 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 15:48:37,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 15:48:37,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 15:48:37,280 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 15:48:37,280 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:48:35" (3/4) ... [2025-03-17 15:48:37,281 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-17 15:48:37,311 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 3. [2025-03-17 15:48:37,340 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 15:48:37,341 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 15:48:37,341 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 15:48:37,341 INFO L158 Benchmark]: Toolchain (without parser) took 2829.93ms. Allocated memory is still 201.3MB. Free memory was 159.9MB in the beginning and 119.9MB in the end (delta: 40.1MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2025-03-17 15:48:37,341 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:48:37,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.21ms. Allocated memory is still 201.3MB. Free memory was 159.6MB in the beginning and 148.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:48:37,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.19ms. Allocated memory is still 201.3MB. Free memory was 148.5MB in the beginning and 147.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:48:37,342 INFO L158 Benchmark]: Boogie Preprocessor took 26.05ms. Allocated memory is still 201.3MB. Free memory was 147.4MB in the beginning and 145.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:48:37,342 INFO L158 Benchmark]: IcfgBuilder took 494.88ms. Allocated memory is still 201.3MB. Free memory was 145.7MB in the beginning and 125.4MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 15:48:37,342 INFO L158 Benchmark]: TraceAbstraction took 1939.02ms. Allocated memory is still 201.3MB. Free memory was 124.9MB in the beginning and 125.7MB in the end (delta: -803.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:48:37,343 INFO L158 Benchmark]: Witness Printer took 60.98ms. Allocated memory is still 201.3MB. Free memory was 125.7MB in the beginning and 119.9MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:48:37,343 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.21ms. Allocated memory is still 201.3MB. Free memory was 159.6MB in the beginning and 148.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.19ms. Allocated memory is still 201.3MB. Free memory was 148.5MB in the beginning and 147.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.05ms. Allocated memory is still 201.3MB. Free memory was 147.4MB in the beginning and 145.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 494.88ms. Allocated memory is still 201.3MB. Free memory was 145.7MB in the beginning and 125.4MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1939.02ms. Allocated memory is still 201.3MB. Free memory was 124.9MB in the beginning and 125.7MB in the end (delta: -803.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.98ms. Allocated memory is still 201.3MB. Free memory was 125.7MB in the beginning and 119.9MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 56]: integer overflow possible integer overflow possible We found a FailurePath: [L77] int z; [L78] int k; [L79] int x; [L80] int y; [L81] int c; [L82] z = __VERIFIER_nondet_int() [L83] k = __VERIFIER_nondet_int() [L84] x = 1 [L85] y = 1 [L86] c = 1 [L87] CALL func_to_recursive_line_30_to_38_0(&k, &x, &z, &y, &c) VAL [\old(c)={8:0}, \old(k)={5:0}, \old(x)={6:0}, \old(y)={7:0}, \old(z)={4:0}] [L53] COND TRUE 1 [L56] EXPR \read(*x) [L56] EXPR \read(*z) VAL [\old(c)={8:0}, \old(k)={5:0}, \old(x)={6:0}, \old(y)={7:0}, \old(z)={4:0}, c={8:0}, k={5:0}, x={6:0}, y={7:0}, z={4:0}] [L56] EXPR (*x) * (*z) VAL [\old(c)={8:0}, \old(k)={5:0}, \old(x)={6:0}, \old(y)={7:0}, \old(z)={4:0}, c={8:0}, k={5:0}, x={6:0}, y={7:0}, z={4:0}] [L56] 1 + ((*x) * (*z)) VAL [\old(c)={8:0}, \old(k)={5:0}, \old(x)={6:0}, \old(y)={7:0}, \old(z)={4:0}, c={8:0}, k={5:0}, x={6:0}, y={7:0}, z={4:0}] - UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 76 locations, 84 edges, 28 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 554 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 445 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 192 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 109 mSDtfsCounter, 192 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 57 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 22 NumberOfNonLiveVariables, 325 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-03-17 15:48:37,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)