./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.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 ba87ab61cc50ccb52aece6219e7fc9da23076f2342241139ee756008f0599342 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 02:45:23,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 02:45:23,897 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 02:45:23,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 02:45:23,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 02:45:23,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 02:45:23,926 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 02:45:23,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 02:45:23,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 02:45:23,926 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 02:45:23,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 02:45:23,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 02:45:23,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 02:45:23,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 02:45:23,928 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 02:45:23,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 02:45:23,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 02:45:23,928 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 02:45:23,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 02:45:23,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 02:45:23,929 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:45:23,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 02:45:23,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 02:45:23,930 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 02:45:23,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 02:45:23,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 02:45:23,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 02:45:23,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 02:45:23,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 02:45:23,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 02:45:23,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 02:45:23,930 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 -> ba87ab61cc50ccb52aece6219e7fc9da23076f2342241139ee756008f0599342 [2025-03-09 02:45:24,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 02:45:24,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 02:45:24,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 02:45:24,150 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 02:45:24,150 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 02:45:24,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c [2025-03-09 02:45:25,236 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/834346b1f/907abbe5eb674f4a8ca165041a9f1a41/FLAG3b1b9a37b [2025-03-09 02:45:25,427 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 02:45:25,428 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c [2025-03-09 02:45:25,459 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/834346b1f/907abbe5eb674f4a8ca165041a9f1a41/FLAG3b1b9a37b [2025-03-09 02:45:25,799 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/834346b1f/907abbe5eb674f4a8ca165041a9f1a41 [2025-03-09 02:45:25,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 02:45:25,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 02:45:25,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 02:45:25,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 02:45:25,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 02:45:25,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d3c1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25, skipping insertion in model container [2025-03-09 02:45:25,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 02:45:25,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:45:25,918 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 02:45:25,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 02:45:25,942 INFO L204 MainTranslator]: Completed translation [2025-03-09 02:45:25,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25 WrapperNode [2025-03-09 02:45:25,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 02:45:25,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 02:45:25,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 02:45:25,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 02:45:25,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,961 INFO L138 Inliner]: procedures = 16, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2025-03-09 02:45:25,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 02:45:25,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 02:45:25,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 02:45:25,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 02:45:25,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,978 INFO L175 MemorySlicer]: Split 34 memory accesses to 7 slices as follows [2, 7, 4, 2, 6, 5, 8]. 24 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 0, 2, 1, 1, 2, 3]. [2025-03-09 02:45:25,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,984 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 02:45:25,989 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 02:45:25,989 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 02:45:25,989 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 02:45:25,989 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (1/1) ... [2025-03-09 02:45:25,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 02:45:26,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:45:26,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 02:45:26,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 02:45:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_36_0 [2025-03-09 02:45:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_36_0 [2025-03-09 02:45:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 02:45:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 02:45:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 02:45:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 02:45:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-09 02:45:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 02:45:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 02:45:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 02:45:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 02:45:26,108 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 02:45:26,110 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 02:45:26,329 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L78: 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; [2025-03-09 02:45:26,354 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2025-03-09 02:45:26,354 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 02:45:26,364 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 02:45:26,366 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 02:45:26,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:45:26 BoogieIcfgContainer [2025-03-09 02:45:26,366 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 02:45:26,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 02:45:26,368 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 02:45:26,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 02:45:26,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 02:45:25" (1/3) ... [2025-03-09 02:45:26,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d26d580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:45:26, skipping insertion in model container [2025-03-09 02:45:26,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 02:45:25" (2/3) ... [2025-03-09 02:45:26,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d26d580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 02:45:26, skipping insertion in model container [2025-03-09 02:45:26,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:45:26" (3/3) ... [2025-03-09 02:45:26,374 INFO L128 eAbstractionObserver]: Analyzing ICFG recursified_geo1.c [2025-03-09 02:45:26,387 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 02:45:26,388 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_geo1.c that has 3 procedures, 71 locations, 1 initial locations, 0 loop locations, and 24 error locations. [2025-03-09 02:45:26,430 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 02:45:26,438 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;@18f870d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 02:45:26,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-03-09 02:45:26,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 40 states have (on average 1.675) internal successors, (67), 65 states have internal predecessors, (67), 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) [2025-03-09 02:45:26,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-09 02:45:26,444 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:45:26,444 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 02:45:26,444 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_28_to_36_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2025-03-09 02:45:26,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:45:26,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1425904393, now seen corresponding path program 1 times [2025-03-09 02:45:26,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:45:26,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632845079] [2025-03-09 02:45:26,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:45:26,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:45:26,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 02:45:26,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 02:45:26,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:45:26,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:45:26,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [930288865] [2025-03-09 02:45:26,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:45:26,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:45:26,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:45:26,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:45:26,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 02:45:26,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 02:45:26,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 02:45:26,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:45:26,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:45:26,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-09 02:45:26,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:45:26,729 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 [2025-03-09 02:45:26,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-09 02:45:26,824 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 [2025-03-09 02:45:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:45:26,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:45:26,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:45:26,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632845079] [2025-03-09 02:45:26,846 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:45:26,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930288865] [2025-03-09 02:45:26,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930288865] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:45:26,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:45:26,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:45:26,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608220597] [2025-03-09 02:45:26,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:45:26,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:45:26,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:45:26,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:45:26,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:45:26,866 INFO L87 Difference]: Start difference. First operand has 71 states, 40 states have (on average 1.675) internal successors, (67), 65 states have internal predecessors, (67), 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 1.25) internal successors, (5), 5 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) [2025-03-09 02:45:27,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:45:27,026 INFO L93 Difference]: Finished difference Result 173 states and 189 transitions. [2025-03-09 02:45:27,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:45:27,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 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 [2025-03-09 02:45:27,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:45:27,034 INFO L225 Difference]: With dead ends: 173 [2025-03-09 02:45:27,034 INFO L226 Difference]: Without dead ends: 99 [2025-03-09 02:45:27,037 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 [2025-03-09 02:45:27,038 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 71 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:45:27,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 265 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:45:27,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-03-09 02:45:27,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 79. [2025-03-09 02:45:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 48 states have (on average 1.6666666666666667) internal successors, (80), 72 states have internal predecessors, (80), 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) [2025-03-09 02:45:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 89 transitions. [2025-03-09 02:45:27,078 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 89 transitions. Word has length 6 [2025-03-09 02:45:27,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:45:27,078 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 89 transitions. [2025-03-09 02:45:27,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 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) [2025-03-09 02:45:27,079 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2025-03-09 02:45:27,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 02:45:27,079 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:45:27,079 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:45:27,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 02:45:27,284 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 [2025-03-09 02:45:27,284 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_28_to_36_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2025-03-09 02:45:27,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:45:27,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1253363218, now seen corresponding path program 1 times [2025-03-09 02:45:27,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:45:27,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850180591] [2025-03-09 02:45:27,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:45:27,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:45:27,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 02:45:27,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 02:45:27,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:45:27,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:45:27,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1316676105] [2025-03-09 02:45:27,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:45:27,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:45:27,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:45:27,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:45:27,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 02:45:27,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 02:45:27,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 02:45:27,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:45:27,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:45:27,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-09 02:45:27,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:45:27,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-09 02:45:27,418 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 [2025-03-09 02:45:27,459 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 [2025-03-09 02:45:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:45:27,475 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 02:45:27,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:45:27,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850180591] [2025-03-09 02:45:27,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 02:45:27,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316676105] [2025-03-09 02:45:27,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316676105] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 02:45:27,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 02:45:27,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 02:45:27,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422465146] [2025-03-09 02:45:27,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 02:45:27,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 02:45:27,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:45:27,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 02:45:27,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-09 02:45:27,477 INFO L87 Difference]: Start difference. First operand 79 states and 89 transitions. Second operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2025-03-09 02:45:27,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:45:27,582 INFO L93 Difference]: Finished difference Result 99 states and 102 transitions. [2025-03-09 02:45:27,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 02:45:27,582 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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 7 [2025-03-09 02:45:27,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:45:27,583 INFO L225 Difference]: With dead ends: 99 [2025-03-09 02:45:27,583 INFO L226 Difference]: Without dead ends: 98 [2025-03-09 02:45:27,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-09 02:45:27,584 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 68 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 02:45:27,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 234 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 02:45:27,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2025-03-09 02:45:27,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 79. [2025-03-09 02:45:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 48 states have (on average 1.6458333333333333) internal successors, (79), 72 states have internal predecessors, (79), 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) [2025-03-09 02:45:27,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 88 transitions. [2025-03-09 02:45:27,593 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 88 transitions. Word has length 7 [2025-03-09 02:45:27,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:45:27,593 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 88 transitions. [2025-03-09 02:45:27,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2025-03-09 02:45:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2025-03-09 02:45:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 02:45:27,594 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:45:27,594 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 02:45:27,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-09 02:45:27,795 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 [2025-03-09 02:45:27,795 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting func_to_recursive_line_28_to_36_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2025-03-09 02:45:27,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:45:27,796 INFO L85 PathProgramCache]: Analyzing trace with hash -199554091, now seen corresponding path program 1 times [2025-03-09 02:45:27,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:45:27,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777753903] [2025-03-09 02:45:27,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:45:27,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:45:27,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 02:45:27,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 02:45:27,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:45:27,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 02:45:27,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [403849561] [2025-03-09 02:45:27,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 02:45:27,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:45:27,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:45:27,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 02:45:27,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 02:45:27,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 02:45:27,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 02:45:27,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:45:27,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 02:45:27,904 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 02:45:27,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 02:45:27,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 02:45:27,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 02:45:27,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 02:45:27,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 02:45:27,930 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-09 02:45:27,930 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location func_to_recursive_line_28_to_36_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2025-03-09 02:45:27,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2025-03-09 02:45:27,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2025-03-09 02:45:27,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2025-03-09 02:45:27,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2025-03-09 02:45:27,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2025-03-09 02:45:27,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2025-03-09 02:45:27,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2025-03-09 02:45:27,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2025-03-09 02:45:27,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2025-03-09 02:45:27,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2025-03-09 02:45:27,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2025-03-09 02:45:27,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2025-03-09 02:45:27,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2025-03-09 02:45:27,935 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2025-03-09 02:45:27,935 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2025-03-09 02:45:27,935 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2025-03-09 02:45:27,935 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2025-03-09 02:45:27,935 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2025-03-09 02:45:27,935 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2025-03-09 02:45:27,935 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2025-03-09 02:45:27,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2025-03-09 02:45:27,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2025-03-09 02:45:27,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2025-03-09 02:45:27,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 02:45:28,137 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 [2025-03-09 02:45:28,139 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-09 02:45:28,153 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 02:45:28,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 02:45:28 BoogieIcfgContainer [2025-03-09 02:45:28,155 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 02:45:28,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 02:45:28,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 02:45:28,156 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 02:45:28,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 02:45:26" (3/4) ... [2025-03-09 02:45:28,157 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-09 02:45:28,180 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 3. [2025-03-09 02:45:28,207 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 02:45:28,207 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 02:45:28,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 02:45:28,207 INFO L158 Benchmark]: Toolchain (without parser) took 2405.39ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 74.1MB in the end (delta: 48.8MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2025-03-09 02:45:28,207 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 201.3MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:45:28,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 139.77ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 111.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:45:28,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.35ms. Allocated memory is still 167.8MB. Free memory was 111.7MB in the beginning and 110.9MB in the end (delta: 798.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:45:28,208 INFO L158 Benchmark]: Boogie Preprocessor took 26.33ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 02:45:28,208 INFO L158 Benchmark]: IcfgBuilder took 377.61ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 90.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 02:45:28,208 INFO L158 Benchmark]: TraceAbstraction took 1787.31ms. Allocated memory is still 167.8MB. Free memory was 89.8MB in the beginning and 79.6MB in the end (delta: 10.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2025-03-09 02:45:28,208 INFO L158 Benchmark]: Witness Printer took 50.92ms. Allocated memory is still 167.8MB. Free memory was 79.6MB in the beginning and 74.1MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 02:45:28,209 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 201.3MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 139.77ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 111.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.35ms. Allocated memory is still 167.8MB. Free memory was 111.7MB in the beginning and 110.9MB in the end (delta: 798.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.33ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 377.61ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 90.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1787.31ms. Allocated memory is still 167.8MB. Free memory was 89.8MB in the beginning and 79.6MB in the end (delta: 10.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 50.92ms. Allocated memory is still 167.8MB. Free memory was 79.6MB in the beginning and 74.1MB in the end (delta: 5.5MB). There was no memory consumed. 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: 57]: integer overflow possible integer overflow possible We found a FailurePath: [L78] int z; [L79] int k; [L80] int x; [L81] int y; [L82] int c; [L83] z = __VERIFIER_nondet_int() [L84] k = __VERIFIER_nondet_int() [L85] x = 1 [L86] EXPR \read(z) [L86] y = z [L87] c = 1 [L88] CALL func_to_recursive_line_28_to_36_0(&y, &k, &x, &c, &z) VAL [\old(c)={8:0}, \old(k)={4:0}, \old(x)={5:0}, \old(y)={6:0}, \old(z)={7:0}] [L54] COND TRUE 1 [L57] EXPR \read(*x) [L57] EXPR \read(*z) VAL [\old(c)={8:0}, \old(k)={4:0}, \old(x)={5:0}, \old(y)={6:0}, \old(z)={7:0}, c={8:0}, k={4:0}, x={5:0}, y={6:0}, z={7:0}] [L57] EXPR (*x) * (*z) [L57] EXPR \read(*x) VAL [\old(c)={8:0}, \old(k)={4:0}, \old(x)={5:0}, \old(y)={6:0}, \old(z)={7:0}, c={8:0}, k={4:0}, x={5:0}, y={6:0}, z={7:0}] [L57] ((*x) * (*z)) - (*x) VAL [\old(c)={8:0}, \old(k)={4:0}, \old(x)={5:0}, \old(y)={6:0}, \old(z)={7:0}, c={8:0}, k={4:0}, x={5:0}, y={6:0}, z={7:0}] - UnprovableResult [Line: 67]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 67]: 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: 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: 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: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: 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, 71 locations, 79 edges, 24 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 499 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 403 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 96 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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, 39 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 22 NumberOfNonLiveVariables, 325 ConjunctsInSsa, 55 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! [2025-03-09 02:45:28,226 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)