./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_bresenham.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 81448e832d78f980434ccb484de3911b06334d4388445fb090e6feddfa451d88 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:50:42,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:50:42,142 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:50:42,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:50:42,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:50:42,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:50:42,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:50:42,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:50:42,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:50:42,174 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:50:42,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:50:42,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:50:42,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:50:42,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:50:42,178 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:50:42,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:50:42,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:50:42,178 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:50:42,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:50:42,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:50:42,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:50:42,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:50:42,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:50:42,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:50:42,181 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:50:42,181 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:50:42,181 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:50:42,181 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:50:42,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:50:42,182 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:50:42,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:50:42,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:50:42,182 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:50:42,183 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:50:42,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:50:42,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:50:42,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:50:42,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:50:42,184 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:50:42,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:50:42,184 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:50:42,188 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:50:42,188 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:50:42,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:50:42,189 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81448e832d78f980434ccb484de3911b06334d4388445fb090e6feddfa451d88 [2024-11-12 17:50:42,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:50:42,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:50:42,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:50:42,389 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:50:42,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:50:42,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c [2024-11-12 17:50:43,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:50:43,810 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:50:43,810 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c [2024-11-12 17:50:43,818 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8955d2ac/4e632d1007564e03920573d84bfdf645/FLAG01924ebd7 [2024-11-12 17:50:43,832 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8955d2ac/4e632d1007564e03920573d84bfdf645 [2024-11-12 17:50:43,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:50:43,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:50:43,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:50:43,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:50:43,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:50:43,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:50:43" (1/1) ... [2024-11-12 17:50:43,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed59589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:43, skipping insertion in model container [2024-11-12 17:50:43,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:50:43" (1/1) ... [2024-11-12 17:50:43,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:50:44,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:50:44,031 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:50:44,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:50:44,067 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:50:44,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44 WrapperNode [2024-11-12 17:50:44,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:50:44,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:50:44,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:50:44,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:50:44,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (1/1) ... [2024-11-12 17:50:44,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (1/1) ... [2024-11-12 17:50:44,096 INFO L138 Inliner]: procedures = 16, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-11-12 17:50:44,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:50:44,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:50:44,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:50:44,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:50:44,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (1/1) ... [2024-11-12 17:50:44,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (1/1) ... [2024-11-12 17:50:44,108 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (1/1) ... [2024-11-12 17:50:44,122 INFO L175 MemorySlicer]: Split 38 memory accesses to 6 slices as follows [2, 8, 7, 7, 8, 6]. 21 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 3, 2, 1, 1, 2]. [2024-11-12 17:50:44,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (1/1) ... [2024-11-12 17:50:44,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (1/1) ... [2024-11-12 17:50:44,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (1/1) ... [2024-11-12 17:50:44,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (1/1) ... [2024-11-12 17:50:44,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (1/1) ... [2024-11-12 17:50:44,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (1/1) ... [2024-11-12 17:50:44,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:50:44,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:50:44,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:50:44,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:50:44,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (1/1) ... [2024-11-12 17:50:44,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:50:44,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:50:44,170 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) [2024-11-12 17:50:44,173 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 [2024-11-12 17:50:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:50:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:50:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 17:50:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 17:50:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 17:50:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 17:50:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 17:50:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 17:50:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 17:50:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 17:50:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 17:50:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 17:50:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 17:50:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 17:50:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_39_0 [2024-11-12 17:50:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_39_0 [2024-11-12 17:50:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:50:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:50:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 17:50:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 17:50:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 17:50:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 17:50:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 17:50:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 17:50:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:50:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:50:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 17:50:44,293 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:50:44,295 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:50:44,715 INFO L? ?]: Removed 175 outVars from TransFormulas that were not future-live. [2024-11-12 17:50:44,715 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:50:44,728 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:50:44,728 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 17:50:44,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:50:44 BoogieIcfgContainer [2024-11-12 17:50:44,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:50:44,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:50:44,730 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:50:44,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:50:44,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:50:43" (1/3) ... [2024-11-12 17:50:44,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2573fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:50:44, skipping insertion in model container [2024-11-12 17:50:44,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:50:44" (2/3) ... [2024-11-12 17:50:44,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2573fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:50:44, skipping insertion in model container [2024-11-12 17:50:44,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:50:44" (3/3) ... [2024-11-12 17:50:44,736 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_bresenham.c [2024-11-12 17:50:44,749 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:50:44,749 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-12 17:50:44,806 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:50:44,811 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;@5aa4520, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:50:44,812 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-12 17:50:44,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 76 states have (on average 1.8157894736842106) internal successors, (138), 135 states have internal predecessors, (138), 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) [2024-11-12 17:50:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-12 17:50:44,820 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:50:44,820 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-12 17:50:44,821 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_27_to_39_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_27_to_39_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2024-11-12 17:50:44,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:50:44,827 INFO L85 PathProgramCache]: Analyzing trace with hash 115254, now seen corresponding path program 1 times [2024-11-12 17:50:44,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:50:44,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253171102] [2024-11-12 17:50:44,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:50:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:50:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 17:50:44,946 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 17:50:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 17:50:44,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 17:50:44,984 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 17:50:44,985 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 58 remaining) [2024-11-12 17:50:44,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 58 remaining) [2024-11-12 17:50:44,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 58 remaining) [2024-11-12 17:50:44,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 58 remaining) [2024-11-12 17:50:44,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 58 remaining) [2024-11-12 17:50:44,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 58 remaining) [2024-11-12 17:50:44,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 58 remaining) [2024-11-12 17:50:44,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 58 remaining) [2024-11-12 17:50:44,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 58 remaining) [2024-11-12 17:50:44,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 58 remaining) [2024-11-12 17:50:44,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 58 remaining) [2024-11-12 17:50:44,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 58 remaining) [2024-11-12 17:50:44,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 58 remaining) [2024-11-12 17:50:44,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 58 remaining) [2024-11-12 17:50:44,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 58 remaining) [2024-11-12 17:50:44,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 58 remaining) [2024-11-12 17:50:44,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 58 remaining) [2024-11-12 17:50:44,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 58 remaining) [2024-11-12 17:50:44,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 58 remaining) [2024-11-12 17:50:44,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 58 remaining) [2024-11-12 17:50:44,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 58 remaining) [2024-11-12 17:50:44,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 58 remaining) [2024-11-12 17:50:44,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 58 remaining) [2024-11-12 17:50:44,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 58 remaining) [2024-11-12 17:50:44,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 58 remaining) [2024-11-12 17:50:44,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 58 remaining) [2024-11-12 17:50:44,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 58 remaining) [2024-11-12 17:50:44,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err26ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 58 remaining) [2024-11-12 17:50:44,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err27ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 58 remaining) [2024-11-12 17:50:44,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err28ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 58 remaining) [2024-11-12 17:50:44,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err29ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 58 remaining) [2024-11-12 17:50:44,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err30ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 58 remaining) [2024-11-12 17:50:44,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err31ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 58 remaining) [2024-11-12 17:50:44,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 58 remaining) [2024-11-12 17:50:44,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 58 remaining) [2024-11-12 17:50:44,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 58 remaining) [2024-11-12 17:50:44,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 58 remaining) [2024-11-12 17:50:44,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 58 remaining) [2024-11-12 17:50:44,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 58 remaining) [2024-11-12 17:50:44,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 58 remaining) [2024-11-12 17:50:44,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 58 remaining) [2024-11-12 17:50:44,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 58 remaining) [2024-11-12 17:50:44,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 58 remaining) [2024-11-12 17:50:44,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 58 remaining) [2024-11-12 17:50:44,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 58 remaining) [2024-11-12 17:50:44,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 58 remaining) [2024-11-12 17:50:44,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 58 remaining) [2024-11-12 17:50:44,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 58 remaining) [2024-11-12 17:50:44,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 58 remaining) [2024-11-12 17:50:44,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 58 remaining) [2024-11-12 17:50:44,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 58 remaining) [2024-11-12 17:50:44,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 58 remaining) [2024-11-12 17:50:44,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 58 remaining) [2024-11-12 17:50:44,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 58 remaining) [2024-11-12 17:50:44,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 58 remaining) [2024-11-12 17:50:44,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 58 remaining) [2024-11-12 17:50:44,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 58 remaining) [2024-11-12 17:50:44,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 58 remaining) [2024-11-12 17:50:45,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:50:45,004 INFO L421 BasicCegarLoop]: Path program histogram: [1] [2024-11-12 17:50:45,023 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 17:50:45,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 05:50:45 BoogieIcfgContainer [2024-11-12 17:50:45,027 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 17:50:45,029 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 17:50:45,029 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 17:50:45,029 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 17:50:45,030 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:50:44" (3/4) ... [2024-11-12 17:50:45,030 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-12 17:50:45,062 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 17:50:45,065 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 17:50:45,065 INFO L158 Benchmark]: Toolchain (without parser) took 1229.31ms. Allocated memory is still 174.1MB. Free memory was 103.6MB in the beginning and 97.9MB in the end (delta: 5.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-11-12 17:50:45,066 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 174.1MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 17:50:45,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.12ms. Allocated memory is still 174.1MB. Free memory was 103.4MB in the beginning and 89.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 17:50:45,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.80ms. Allocated memory is still 174.1MB. Free memory was 89.2MB in the beginning and 87.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 17:50:45,066 INFO L158 Benchmark]: Boogie Preprocessor took 36.42ms. Allocated memory is still 174.1MB. Free memory was 87.5MB in the beginning and 85.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 17:50:45,068 INFO L158 Benchmark]: RCFGBuilder took 594.49ms. Allocated memory is still 174.1MB. Free memory was 85.1MB in the beginning and 121.0MB in the end (delta: -35.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-11-12 17:50:45,068 INFO L158 Benchmark]: TraceAbstraction took 297.20ms. Allocated memory is still 174.1MB. Free memory was 121.0MB in the beginning and 100.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 17:50:45,070 INFO L158 Benchmark]: Witness Printer took 35.83ms. Allocated memory is still 174.1MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 17:50:45,071 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 174.1MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.12ms. Allocated memory is still 174.1MB. Free memory was 103.4MB in the beginning and 89.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.80ms. Allocated memory is still 174.1MB. Free memory was 89.2MB in the beginning and 87.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.42ms. Allocated memory is still 174.1MB. Free memory was 87.5MB in the beginning and 85.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.49ms. Allocated memory is still 174.1MB. Free memory was 85.1MB in the beginning and 121.0MB in the end (delta: -35.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * TraceAbstraction took 297.20ms. Allocated memory is still 174.1MB. Free memory was 121.0MB in the beginning and 100.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 35.83ms. Allocated memory is still 174.1MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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: 90]: integer overflow possible integer overflow possible We found a FailurePath: [L83] int X; [L84] int Y; [L85] int v; [L86] int x; [L87] int y; [L88] X = __VERIFIER_nondet_int() [L89] Y = __VERIFIER_nondet_int() [L90] EXPR \read(Y) [L90] 2 * Y VAL [X={8:0}, Y={5:0}, v={9:0}, x={7:0}, y={6:0}] - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: 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: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: 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, 141 locations, 58 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-12 17:50:45,092 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)