./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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/loop-industry-pattern/ofuf_4.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 469e121da4ec833c883deffdd0e34cc6fa7cb9d795a4a108dd1361b9d2695780 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:23:59,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:23:59,927 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:23:59,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:23:59,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:23:59,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:23:59,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:23:59,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:23:59,968 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:23:59,968 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:23:59,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:23:59,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:23:59,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:23:59,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:23:59,970 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:23:59,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:23:59,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:23:59,971 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:23:59,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:23:59,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:23:59,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:23:59,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:23:59,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:23:59,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:23:59,973 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:23:59,974 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:23:59,974 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:23:59,974 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:23:59,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:23:59,975 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:23:59,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:23:59,975 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:23:59,976 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:23:59,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:23:59,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:23:59,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:23:59,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:23:59,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:23:59,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:23:59,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:23:59,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:23:59,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:23:59,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:23:59,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:23:59,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 469e121da4ec833c883deffdd0e34cc6fa7cb9d795a4a108dd1361b9d2695780 [2024-11-19 10:24:00,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:24:00,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:24:00,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:24:00,313 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:24:00,313 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:24:00,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2024-11-19 10:24:01,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:24:02,009 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:24:02,010 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2024-11-19 10:24:02,023 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02cf374b/deb69d4c7d3c4638980799ff4c27f563/FLAG241f1a000 [2024-11-19 10:24:02,374 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02cf374b/deb69d4c7d3c4638980799ff4c27f563 [2024-11-19 10:24:02,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:24:02,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:24:02,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:24:02,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:24:02,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:24:02,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:02,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ec985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02, skipping insertion in model container [2024-11-19 10:24:02,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:02,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:24:02,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:24:02,747 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:24:02,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:24:02,834 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:24:02,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02 WrapperNode [2024-11-19 10:24:02,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:24:02,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:24:02,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:24:02,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:24:02,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:02,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:02,895 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 462 [2024-11-19 10:24:02,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:24:02,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:24:02,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:24:02,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:24:02,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:02,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:02,917 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:02,952 INFO L175 MemorySlicer]: Split 85 memory accesses to 15 slices as follows [2, 5, 3, 5, 3, 7, 2, 1, 6, 4, 5, 12, 18, 11, 1]. 21 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [2, 5, 3, 5, 3, 7, 2, 1, 4, 0, 1, 7, 0, 4, 1]. The 5 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 2, 0]. [2024-11-19 10:24:02,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:02,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:02,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:02,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:03,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:03,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:03,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:24:03,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:24:03,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:24:03,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:24:03,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (1/1) ... [2024-11-19 10:24:03,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:24:03,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:24:03,078 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) [2024-11-19 10:24:03,087 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 [2024-11-19 10:24:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 10:24:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 10:24:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 10:24:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 10:24:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 10:24:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 10:24:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 10:24:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 10:24:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 10:24:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 10:24:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 10:24:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 10:24:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 10:24:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 10:24:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 10:24:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:24:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2024-11-19 10:24:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2024-11-19 10:24:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 10:24:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 10:24:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 10:24:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 10:24:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 10:24:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 10:24:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 10:24:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 10:24:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 10:24:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 10:24:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 10:24:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 10:24:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 10:24:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 10:24:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 10:24:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 10:24:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 10:24:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 10:24:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 10:24:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 10:24:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 10:24:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 10:24:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 10:24:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 10:24:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 10:24:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 10:24:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 10:24:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 10:24:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 10:24:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 10:24:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 10:24:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 10:24:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 10:24:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 10:24:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 10:24:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 10:24:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 10:24:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 10:24:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 10:24:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 10:24:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 10:24:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 10:24:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 10:24:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 10:24:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 10:24:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 10:24:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 10:24:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 10:24:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 10:24:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 10:24:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 10:24:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 10:24:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 10:24:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 10:24:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 10:24:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 10:24:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 10:24:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 10:24:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 10:24:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 10:24:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 10:24:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:24:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:24:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 10:24:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 10:24:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 10:24:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 10:24:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 10:24:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 10:24:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 10:24:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 10:24:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 10:24:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 10:24:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 10:24:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 10:24:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 10:24:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2024-11-19 10:24:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2024-11-19 10:24:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 10:24:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:24:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:24:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-11-19 10:24:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-11-19 10:24:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 10:24:03,454 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:24:03,456 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:24:03,969 INFO L? ?]: Removed 153 outVars from TransFormulas that were not future-live. [2024-11-19 10:24:03,969 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:24:03,986 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:24:03,986 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-19 10:24:03,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:24:03 BoogieIcfgContainer [2024-11-19 10:24:03,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:24:03,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:24:03,990 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:24:03,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:24:03,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:24:02" (1/3) ... [2024-11-19 10:24:03,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ae9404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:24:03, skipping insertion in model container [2024-11-19 10:24:03,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:24:02" (2/3) ... [2024-11-19 10:24:03,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ae9404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:24:03, skipping insertion in model container [2024-11-19 10:24:03,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:24:03" (3/3) ... [2024-11-19 10:24:03,997 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2024-11-19 10:24:04,012 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:24:04,013 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 10:24:04,082 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:24:04,089 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;@4f8f81e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:24:04,089 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 10:24:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 98 states have (on average 1.6020408163265305) internal successors, (157), 102 states have internal predecessors, (157), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 10:24:04,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:24:04,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:24:04,102 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:24:04,102 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:24:04,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:24:04,108 INFO L85 PathProgramCache]: Analyzing trace with hash 216694026, now seen corresponding path program 1 times [2024-11-19 10:24:04,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:24:04,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608606025] [2024-11-19 10:24:04,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:24:04,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:24:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:24:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:24:04,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:24:04,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608606025] [2024-11-19 10:24:04,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608606025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:24:04,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:24:04,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 10:24:04,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140882615] [2024-11-19 10:24:04,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:24:04,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:24:04,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:24:04,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:24:04,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:24:04,430 INFO L87 Difference]: Start difference. First operand has 114 states, 98 states have (on average 1.6020408163265305) internal successors, (157), 102 states have internal predecessors, (157), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-11-19 10:24:04,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:24:04,464 INFO L93 Difference]: Finished difference Result 216 states and 341 transitions. [2024-11-19 10:24:04,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:24:04,466 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-11-19 10:24:04,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:24:04,471 INFO L225 Difference]: With dead ends: 216 [2024-11-19 10:24:04,471 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:24:04,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:24:04,480 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:24:04,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:24:04,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:24:04,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:24:04,498 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) [2024-11-19 10:24:04,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:24:04,500 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2024-11-19 10:24:04,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:24:04,500 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:24:04,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-11-19 10:24:04,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:24:04,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:24:04,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-19 10:24:04,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-19 10:24:04,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-19 10:24:04,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-19 10:24:04,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:24:04,506 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 10:24:04,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 10:24:04,542 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:24:04,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:24:04 BoogieIcfgContainer [2024-11-19 10:24:04,573 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:24:04,574 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:24:04,574 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:24:04,574 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:24:04,575 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:24:03" (3/4) ... [2024-11-19 10:24:04,578 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 10:24:04,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2024-11-19 10:24:04,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2024-11-19 10:24:04,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2024-11-19 10:24:04,595 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2024-11-19 10:24:04,596 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-19 10:24:04,597 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-19 10:24:04,598 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 10:24:04,598 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:24:04,599 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:24:04,765 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:24:04,765 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 10:24:04,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:24:04,766 INFO L158 Benchmark]: Toolchain (without parser) took 2388.72ms. Allocated memory was 176.2MB in the beginning and 220.2MB in the end (delta: 44.0MB). Free memory was 146.1MB in the beginning and 163.5MB in the end (delta: -17.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-11-19 10:24:04,767 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:24:04,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.00ms. Allocated memory is still 176.2MB. Free memory was 146.1MB in the beginning and 126.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-19 10:24:04,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.90ms. Allocated memory is still 176.2MB. Free memory was 126.7MB in the beginning and 122.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 10:24:04,768 INFO L158 Benchmark]: Boogie Preprocessor took 135.48ms. Allocated memory is still 176.2MB. Free memory was 122.5MB in the beginning and 115.8MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 10:24:04,768 INFO L158 Benchmark]: RCFGBuilder took 953.84ms. Allocated memory is still 176.2MB. Free memory was 115.8MB in the beginning and 97.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-19 10:24:04,769 INFO L158 Benchmark]: TraceAbstraction took 583.39ms. Allocated memory was 176.2MB in the beginning and 220.2MB in the end (delta: 44.0MB). Free memory was 96.0MB in the beginning and 174.0MB in the end (delta: -78.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:24:04,769 INFO L158 Benchmark]: Witness Printer took 192.07ms. Allocated memory is still 220.2MB. Free memory was 174.0MB in the beginning and 163.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 10:24:04,771 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.00ms. Allocated memory is still 176.2MB. Free memory was 146.1MB in the beginning and 126.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.90ms. Allocated memory is still 176.2MB. Free memory was 126.7MB in the beginning and 122.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.48ms. Allocated memory is still 176.2MB. Free memory was 122.5MB in the beginning and 115.8MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 953.84ms. Allocated memory is still 176.2MB. Free memory was 115.8MB in the beginning and 97.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 583.39ms. Allocated memory was 176.2MB in the beginning and 220.2MB in the end (delta: 44.0MB). Free memory was 96.0MB in the beginning and 174.0MB in the end (delta: -78.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 192.07ms. Allocated memory is still 220.2MB. Free memory was 174.0MB in the beginning and 163.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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: 354]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 354]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 378]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 378]: 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 4 procedures, 114 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 159 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 159 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 193]: Procedure Contract for Id_MCDC_89 Derived contract for procedure Id_MCDC_89. Ensures: (((((((((((Id_MCDC_104 == \old(Id_MCDC_104)) && (Id_MCDC_105 == \old(Id_MCDC_105))) && (Id_MCDC_106 == \old(Id_MCDC_106))) && (Id_MCDC_107 == \old(Id_MCDC_107))) && (Id_MCDC_108 == \old(Id_MCDC_108))) && (Id_MCDC_109 == \old(Id_MCDC_109))) && (Id_MCDC_110 == \old(Id_MCDC_110))) && (Id_MCDC_111 == \old(Id_MCDC_111))) && (Id_MCDC_112 == \old(Id_MCDC_112))) && (Id_MCDC_113 == \old(Id_MCDC_113))) && (Id_MCDC_114 == \old(Id_MCDC_114))) - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero. Ensures: (((((((((((Id_MCDC_104 == \old(Id_MCDC_104)) && (Id_MCDC_105 == \old(Id_MCDC_105))) && (Id_MCDC_106 == \old(Id_MCDC_106))) && (Id_MCDC_107 == \old(Id_MCDC_107))) && (Id_MCDC_108 == \old(Id_MCDC_108))) && (Id_MCDC_109 == \old(Id_MCDC_109))) && (Id_MCDC_110 == \old(Id_MCDC_110))) && (Id_MCDC_111 == \old(Id_MCDC_111))) && (Id_MCDC_112 == \old(Id_MCDC_112))) && (Id_MCDC_113 == \old(Id_MCDC_113))) && (Id_MCDC_114 == \old(Id_MCDC_114))) - ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95 Derived contract for procedure Id_MCDC_95. Ensures: (((((((((((Id_MCDC_104 == \old(Id_MCDC_104)) && (Id_MCDC_105 == \old(Id_MCDC_105))) && (Id_MCDC_106 == \old(Id_MCDC_106))) && (Id_MCDC_107 == \old(Id_MCDC_107))) && (Id_MCDC_108 == \old(Id_MCDC_108))) && (Id_MCDC_109 == \old(Id_MCDC_109))) && (Id_MCDC_110 == \old(Id_MCDC_110))) && (Id_MCDC_111 == \old(Id_MCDC_111))) && (Id_MCDC_112 == \old(Id_MCDC_112))) && (Id_MCDC_113 == \old(Id_MCDC_113))) && (Id_MCDC_114 == \old(Id_MCDC_114))) RESULT: Ultimate proved your program to be correct! [2024-11-19 10:24:04,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE