./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-regression/test05.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/ldv-regression/test05.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 fc3b64420d7066ddae343a06976c60db80b11c9064160fc3a579002ff9231727 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 14:54:39,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 14:54:39,295 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 14:54:39,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 14:54:39,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 14:54:39,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 14:54:39,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 14:54:39,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 14:54:39,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 14:54:39,323 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 14:54:39,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 14:54:39,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 14:54:39,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 14:54:39,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 14:54:39,324 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 14:54:39,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 14:54:39,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 14:54:39,325 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 14:54:39,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:54:39,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 14:54:39,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 14:54:39,326 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 14:54:39,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 14:54:39,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 14:54:39,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 14:54:39,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 14:54:39,326 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 14:54:39,326 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 14:54:39,326 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 14:54:39,326 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 -> fc3b64420d7066ddae343a06976c60db80b11c9064160fc3a579002ff9231727 [2025-03-17 14:54:39,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 14:54:39,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 14:54:39,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 14:54:39,538 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 14:54:39,538 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 14:54:39,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test05.c [2025-03-17 14:54:40,619 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdad21ba0/183b58d5527743abb6e7a66b46e2a24d/FLAG654a284f0 [2025-03-17 14:54:40,813 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 14:54:40,816 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test05.c [2025-03-17 14:54:40,832 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdad21ba0/183b58d5527743abb6e7a66b46e2a24d/FLAG654a284f0 [2025-03-17 14:54:41,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdad21ba0/183b58d5527743abb6e7a66b46e2a24d [2025-03-17 14:54:41,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 14:54:41,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 14:54:41,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 14:54:41,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 14:54:41,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 14:54:41,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c0dad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41, skipping insertion in model container [2025-03-17 14:54:41,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,209 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 14:54:41,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:54:41,307 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 14:54:41,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:54:41,325 INFO L204 MainTranslator]: Completed translation [2025-03-17 14:54:41,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41 WrapperNode [2025-03-17 14:54:41,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 14:54:41,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 14:54:41,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 14:54:41,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 14:54:41,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,349 INFO L138 Inliner]: procedures = 16, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 93 [2025-03-17 14:54:41,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 14:54:41,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 14:54:41,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 14:54:41,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 14:54:41,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,362 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,374 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 3, 3, 9]. 53 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 8 writes are split as follows [0, 2, 1, 5]. [2025-03-17 14:54:41,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,380 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 14:54:41,393 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 14:54:41,393 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 14:54:41,393 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 14:54:41,394 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (1/1) ... [2025-03-17 14:54:41,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:54:41,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:54:41,420 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 14:54:41,422 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 14:54:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 14:54:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 14:54:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 14:54:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 14:54:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 14:54:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 14:54:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 14:54:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 14:54:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 14:54:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 14:54:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 14:54:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 14:54:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 14:54:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 14:54:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 14:54:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 14:54:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 14:54:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 14:54:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 14:54:41,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 14:54:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 14:54:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 14:54:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 14:54:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 14:54:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 14:54:41,504 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 14:54:41,505 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 14:54:41,626 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L23: call ULTIMATE.dealloc(main_~#a~0#1.base, main_~#a~0#1.offset);havoc main_~#a~0#1.base, main_~#a~0#1.offset;call ULTIMATE.dealloc(main_~#b~0#1.base, main_~#b~0#1.offset);havoc main_~#b~0#1.base, main_~#b~0#1.offset;call ULTIMATE.dealloc(main_~#p1~0#1.base, main_~#p1~0#1.offset);havoc main_~#p1~0#1.base, main_~#p1~0#1.offset;call ULTIMATE.dealloc(main_~#p2~0#1.base, main_~#p2~0#1.offset);havoc main_~#p2~0#1.base, main_~#p2~0#1.offset; [2025-03-17 14:54:41,634 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2025-03-17 14:54:41,634 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 14:54:41,640 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 14:54:41,640 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 14:54:41,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:54:41 BoogieIcfgContainer [2025-03-17 14:54:41,641 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 14:54:41,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 14:54:41,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 14:54:41,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 14:54:41,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:54:41" (1/3) ... [2025-03-17 14:54:41,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca26060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:54:41, skipping insertion in model container [2025-03-17 14:54:41,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:54:41" (2/3) ... [2025-03-17 14:54:41,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca26060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:54:41, skipping insertion in model container [2025-03-17 14:54:41,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:54:41" (3/3) ... [2025-03-17 14:54:41,648 INFO L128 eAbstractionObserver]: Analyzing ICFG test05.c [2025-03-17 14:54:41,658 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 14:54:41,659 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test05.c that has 1 procedures, 13 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-17 14:54:41,689 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 14:54:41,696 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;@6b84edb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 14:54:41,696 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-17 14:54:41,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:54:41,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2025-03-17 14:54:41,701 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:54:41,701 INFO L218 NwaCegarLoop]: trace histogram [1, 1] [2025-03-17 14:54:41,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-17 14:54:41,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:54:41,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1728, now seen corresponding path program 1 times [2025-03-17 14:54:41,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:54:41,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080933871] [2025-03-17 14:54:41,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:54:41,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:54:41,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 14:54:41,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 14:54:41,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:54:41,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:54:41,983 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 14:54:41,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:54:41,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080933871] [2025-03-17 14:54:41,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080933871] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:54:41,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:54:41,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:54:41,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449313059] [2025-03-17 14:54:41,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:54:41,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:54:41,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:54:41,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:54:41,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:54:42,000 INFO L87 Difference]: Start difference. First operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:54:42,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:54:42,016 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2025-03-17 14:54:42,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:54:42,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2025-03-17 14:54:42,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:54:42,024 INFO L225 Difference]: With dead ends: 16 [2025-03-17 14:54:42,024 INFO L226 Difference]: Without dead ends: 4 [2025-03-17 14:54:42,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:54:42,029 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:54:42,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 18 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:54:42,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2025-03-17 14:54:42,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2025-03-17 14:54:42,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:54:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3 transitions. [2025-03-17 14:54:42,050 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 3 transitions. Word has length 2 [2025-03-17 14:54:42,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:54:42,052 INFO L471 AbstractCegarLoop]: Abstraction has 4 states and 3 transitions. [2025-03-17 14:54:42,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:54:42,052 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2025-03-17 14:54:42,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-17 14:54:42,052 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:54:42,052 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-17 14:54:42,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 14:54:42,052 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-17 14:54:42,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:54:42,053 INFO L85 PathProgramCache]: Analyzing trace with hash 53558, now seen corresponding path program 1 times [2025-03-17 14:54:42,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:54:42,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159450064] [2025-03-17 14:54:42,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:54:42,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:54:42,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 14:54:42,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 14:54:42,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:54:42,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:54:42,175 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 14:54:42,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:54:42,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159450064] [2025-03-17 14:54:42,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159450064] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:54:42,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:54:42,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:54:42,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670599278] [2025-03-17 14:54:42,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:54:42,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:54:42,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:54:42,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:54:42,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:54:42,179 INFO L87 Difference]: Start difference. First operand 4 states and 3 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:54:42,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:54:42,181 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2025-03-17 14:54:42,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:54:42,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-03-17 14:54:42,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:54:42,181 INFO L225 Difference]: With dead ends: 4 [2025-03-17 14:54:42,181 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 14:54:42,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:54:42,182 INFO L435 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:54:42,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:54:42,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 14:54:42,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 14:54:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:54:42,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 14:54:42,183 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2025-03-17 14:54:42,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:54:42,183 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 14:54:42,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:54:42,183 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 14:54:42,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 14:54:42,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-03-17 14:54:42,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-03-17 14:54:42,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 14:54:42,190 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-17 14:54:42,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 14:54:42,197 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 14:54:42,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 02:54:42 BoogieIcfgContainer [2025-03-17 14:54:42,202 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 14:54:42,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 14:54:42,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 14:54:42,202 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 14:54:42,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:54:41" (3/4) ... [2025-03-17 14:54:42,205 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 14:54:42,212 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-03-17 14:54:42,212 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-17 14:54:42,213 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 14:54:42,213 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 14:54:42,271 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 14:54:42,271 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 14:54:42,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 14:54:42,272 INFO L158 Benchmark]: Toolchain (without parser) took 1081.69ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 85.7MB in the end (delta: 19.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2025-03-17 14:54:42,272 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:54:42,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 135.26ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 94.6MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 14:54:42,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.23ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:54:42,274 INFO L158 Benchmark]: Boogie Preprocessor took 42.95ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 91.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 14:54:42,274 INFO L158 Benchmark]: IcfgBuilder took 248.15ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 76.8MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 14:54:42,275 INFO L158 Benchmark]: TraceAbstraction took 558.79ms. Allocated memory is still 142.6MB. Free memory was 75.8MB in the beginning and 92.2MB in the end (delta: -16.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 14:54:42,275 INFO L158 Benchmark]: Witness Printer took 69.41ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 85.7MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 14:54:42,276 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 135.26ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 94.6MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.23ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.95ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 91.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 248.15ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 76.8MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 558.79ms. Allocated memory is still 142.6MB. Free memory was 75.8MB in the beginning and 92.2MB in the end (delta: -16.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.41ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 85.7MB in the end (delta: 5.7MB). 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 - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 15 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 14:54:42,290 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 Result: TRUE