./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c --full-output --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e378df2c Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/certificate-witnesses-artifact/automizer --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1391bee0bb5d7f50dd16d284fbfd81fef460a2ec12522be9e9c3c85276cf79aa --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 14:21:47,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 14:21:47,873 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-15 14:21:47,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 14:21:47,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 14:21:47,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 14:21:47,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 14:21:47,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 14:21:47,904 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 14:21:47,905 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 14:21:47,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-15 14:21:47,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-15 14:21:47,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 14:21:47,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 14:21:47,908 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 14:21:47,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 14:21:47,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 14:21:47,908 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 14:21:47,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 14:21:47,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 14:21:47,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 14:21:47,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 14:21:47,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 14:21:47,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 14:21:47,912 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 14:21:47,913 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 14:21:47,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 14:21:47,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 14:21:47,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 14:21:47,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 14:21:47,913 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 14:21:47,913 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 14:21:47,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 14:21:47,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 14:21:47,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-15 14:21:47,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-15 14:21:47,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 14:21:47,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-15 14:21:47,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-15 14:21:47,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-15 14:21:47,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-15 14:21:47,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-15 14:21:47,915 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/certificate-witnesses-artifact/automizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1391bee0bb5d7f50dd16d284fbfd81fef460a2ec12522be9e9c3c85276cf79aa Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-10-15 14:21:48,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 14:21:48,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 14:21:48,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 14:21:48,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 14:21:48,148 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 14:21:48,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2024-10-15 14:21:49,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 14:21:49,642 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 14:21:49,644 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2024-10-15 14:21:49,657 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/f4cdcaad6/4dcd0a5a97cd481e9b6092ef8aa31cb1/FLAG91e4ea192 [2024-10-15 14:21:49,667 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/f4cdcaad6/4dcd0a5a97cd481e9b6092ef8aa31cb1 [2024-10-15 14:21:49,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 14:21:49,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 14:21:49,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 14:21:49,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 14:21:49,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 14:21:49,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:21:49" (1/1) ... [2024-10-15 14:21:49,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676ae024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:49, skipping insertion in model container [2024-10-15 14:21:49,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:21:49" (1/1) ... [2024-10-15 14:21:49,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 14:21:49,905 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2024-10-15 14:21:49,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 14:21:49,919 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 14:21:50,092 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2024-10-15 14:21:50,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 14:21:50,115 INFO L204 MainTranslator]: Completed translation [2024-10-15 14:21:50,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50 WrapperNode [2024-10-15 14:21:50,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 14:21:50,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 14:21:50,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 14:21:50,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 14:21:50,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (1/1) ... [2024-10-15 14:21:50,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (1/1) ... [2024-10-15 14:21:50,159 INFO L138 Inliner]: procedures = 29, calls = 155, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 14:21:50,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 14:21:50,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 14:21:50,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 14:21:50,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 14:21:50,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (1/1) ... [2024-10-15 14:21:50,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (1/1) ... [2024-10-15 14:21:50,181 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (1/1) ... [2024-10-15 14:21:50,206 INFO L175 MemorySlicer]: Split 83 memory accesses to 15 slices as follows [2, 5, 3, 5, 3, 7, 2, 6, 1, 12, 1, 5, 4, 18, 9]. 22 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [2, 5, 3, 5, 3, 7, 2, 4, 1, 7, 1, 1, 0, 0, 4]. The 5 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 2]. [2024-10-15 14:21:50,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (1/1) ... [2024-10-15 14:21:50,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (1/1) ... [2024-10-15 14:21:50,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (1/1) ... [2024-10-15 14:21:50,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (1/1) ... [2024-10-15 14:21:50,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (1/1) ... [2024-10-15 14:21:50,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (1/1) ... [2024-10-15 14:21:50,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 14:21:50,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 14:21:50,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 14:21:50,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 14:21:50,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (1/1) ... [2024-10-15 14:21:50,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 14:21:50,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 14:21:50,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-15 14:21:50,281 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-15 14:21:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-15 14:21:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-15 14:21:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-15 14:21:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-15 14:21:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-15 14:21:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-15 14:21:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-15 14:21:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-15 14:21:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-15 14:21:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-15 14:21:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-15 14:21:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-15 14:21:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-15 14:21:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-15 14:21:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-15 14:21:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 14:21:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2024-10-15 14:21:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2024-10-15 14:21:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 14:21:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 14:21:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-15 14:21:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-15 14:21:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-15 14:21:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-15 14:21:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-15 14:21:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-15 14:21:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-15 14:21:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-15 14:21:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-15 14:21:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-15 14:21:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-15 14:21:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-15 14:21:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-15 14:21:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2024-10-15 14:21:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-15 14:21:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-15 14:21:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-15 14:21:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-15 14:21:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-15 14:21:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-15 14:21:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-15 14:21:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-15 14:21:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-15 14:21:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-15 14:21:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-15 14:21:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-15 14:21:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-15 14:21:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-15 14:21:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-15 14:21:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-15 14:21:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-15 14:21:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-15 14:21:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-15 14:21:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-15 14:21:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-15 14:21:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2024-10-15 14:21:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2024-10-15 14:21:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2024-10-15 14:21:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2024-10-15 14:21:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2024-10-15 14:21:50,332 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2024-10-15 14:21:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 14:21:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-15 14:21:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-15 14:21:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-15 14:21:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-15 14:21:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-15 14:21:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-15 14:21:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-15 14:21:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-15 14:21:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-15 14:21:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-15 14:21:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-15 14:21:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-15 14:21:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-15 14:21:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-15 14:21:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2024-10-15 14:21:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2024-10-15 14:21:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2024-10-15 14:21:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2024-10-15 14:21:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 14:21:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 14:21:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-15 14:21:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 14:21:50,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 14:21:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-10-15 14:21:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-10-15 14:21:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 14:21:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 14:21:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 14:21:50,501 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 14:21:50,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 14:21:50,885 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-10-15 14:21:50,885 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 14:21:50,907 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 14:21:50,907 INFO L314 CfgBuilder]: Removed 7 assume(true) statements. [2024-10-15 14:21:50,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:50 BoogieIcfgContainer [2024-10-15 14:21:50,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 14:21:50,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-15 14:21:50,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-15 14:21:50,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-15 14:21:50,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:21:49" (1/3) ... [2024-10-15 14:21:50,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a0da93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:50, skipping insertion in model container [2024-10-15 14:21:50,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50" (2/3) ... [2024-10-15 14:21:50,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a0da93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:50, skipping insertion in model container [2024-10-15 14:21:50,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:50" (3/3) ... [2024-10-15 14:21:50,914 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_3.c [2024-10-15 14:21:50,926 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-15 14:21:50,927 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-15 14:21:50,968 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-15 14:21:50,973 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=All, 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;@757c4e30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-15 14:21:50,974 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-15 14:21:50,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 95 states have (on average 1.5789473684210527) internal successors, (150), 97 states have internal predecessors, (150), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-15 14:21:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-15 14:21:50,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 14:21:50,985 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 14:21:50,986 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 14:21:50,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1352206058, now seen corresponding path program 1 times [2024-10-15 14:21:51,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 14:21:51,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163880779] [2024-10-15 14:21:51,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 14:21:51,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 14:21:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:51,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 14:21:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:51,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 14:21:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:51,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-15 14:21:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 14:21:51,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 14:21:51,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163880779] [2024-10-15 14:21:51,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163880779] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 14:21:51,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 14:21:51,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 14:21:51,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834731911] [2024-10-15 14:21:51,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 14:21:51,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-15 14:21:51,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 14:21:51,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 14:21:51,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-15 14:21:51,470 INFO L87 Difference]: Start difference. First operand has 124 states, 95 states have (on average 1.5789473684210527) internal successors, (150), 97 states have internal predecessors, (150), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-15 14:21:52,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 14:21:52,161 INFO L93 Difference]: Finished difference Result 237 states and 361 transitions. [2024-10-15 14:21:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 14:21:52,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2024-10-15 14:21:52,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 14:21:52,170 INFO L225 Difference]: With dead ends: 237 [2024-10-15 14:21:52,170 INFO L226 Difference]: Without dead ends: 116 [2024-10-15 14:21:52,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-15 14:21:52,175 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 248 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-15 14:21:52,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 12 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-15 14:21:52,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-10-15 14:21:52,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-10-15 14:21:52,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 92 states have internal predecessors, (136), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-15 14:21:52,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2024-10-15 14:21:52,320 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 164 transitions. Word has length 38 [2024-10-15 14:21:52,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 14:21:52,321 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 164 transitions. [2024-10-15 14:21:52,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-15 14:21:52,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:52,322 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2024-10-15 14:21:52,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-15 14:21:52,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 14:21:52,324 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 14:21:52,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-15 14:21:52,324 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 14:21:52,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:52,325 INFO L85 PathProgramCache]: Analyzing trace with hash 542859432, now seen corresponding path program 1 times [2024-10-15 14:21:52,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 14:21:52,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353099001] [2024-10-15 14:21:52,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 14:21:52,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 14:21:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:52,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 14:21:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:52,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 14:21:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:52,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-15 14:21:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:52,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 14:21:52,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 14:21:52,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353099001] [2024-10-15 14:21:52,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353099001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 14:21:52,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 14:21:52,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-15 14:21:52,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823247275] [2024-10-15 14:21:52,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 14:21:52,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-15 14:21:52,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 14:21:52,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-15 14:21:52,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-15 14:21:52,579 INFO L87 Difference]: Start difference. First operand 116 states and 164 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-15 14:21:53,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 14:21:53,387 INFO L93 Difference]: Finished difference Result 116 states and 164 transitions. [2024-10-15 14:21:53,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-15 14:21:53,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2024-10-15 14:21:53,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 14:21:53,388 INFO L225 Difference]: With dead ends: 116 [2024-10-15 14:21:53,388 INFO L226 Difference]: Without dead ends: 0 [2024-10-15 14:21:53,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-15 14:21:53,390 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 243 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-15 14:21:53,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 7 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-15 14:21:53,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-15 14:21:53,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-15 14:21:53,391 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) [2024-10-15 14:21:53,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-15 14:21:53,391 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2024-10-15 14:21:53,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 14:21:53,391 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 14:21:53,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-15 14:21:53,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:53,392 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-15 14:21:53,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-15 14:21:53,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-15 14:21:53,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-15 14:21:53,397 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-15 14:21:53,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-15 14:21:54,229 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-15 14:21:54,246 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:54,246 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:54,253 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_100 contained old-variable. Original clause: (and (= |#memory_int#8| |old(#memory_int#8)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#8.base)| |#memory_$Pointer$#8.base|) (= |old(#memory_$Pointer$#7.base)| |#memory_$Pointer$#7.base|) (= |#memory_int#12| |old(#memory_int#12)|) (= |old(#memory_$Pointer$#11.offset)| |#memory_$Pointer$#11.offset|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_$Pointer$#12.offset| |old(#memory_$Pointer$#12.offset)|) (= |#memory_$Pointer$#7.offset| |old(#memory_$Pointer$#7.offset)|) (= |#memory_int#11| |old(#memory_int#11)|) (= |old(#memory_$Pointer$#10.base)| |#memory_$Pointer$#10.base|) (= |#memory_int#10| |old(#memory_int#10)|) (= |old(#memory_$Pointer$#11.base)| |#memory_$Pointer$#11.base|) (= |#memory_$Pointer$#12.base| |old(#memory_$Pointer$#12.base)|) (= |#memory_$Pointer$#8.offset| |old(#memory_$Pointer$#8.offset)|) (= |old(#memory_$Pointer$#10.offset)| |#memory_$Pointer$#10.offset|) (= |old(#valid)| |#valid|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-15 14:21:54,258 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:54,258 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:54,266 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_99 contained old-variable. Original clause: (and (= |#memory_int#8| |old(#memory_int#8)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#8.base)| |#memory_$Pointer$#8.base|) (= |old(#memory_$Pointer$#7.base)| |#memory_$Pointer$#7.base|) (= |#memory_int#12| |old(#memory_int#12)|) (= |old(#memory_$Pointer$#11.offset)| |#memory_$Pointer$#11.offset|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_$Pointer$#12.offset| |old(#memory_$Pointer$#12.offset)|) (= |#memory_$Pointer$#7.offset| |old(#memory_$Pointer$#7.offset)|) (= |#memory_int#11| |old(#memory_int#11)|) (= |old(#memory_$Pointer$#10.base)| |#memory_$Pointer$#10.base|) (= |#memory_int#10| |old(#memory_int#10)|) (= |old(#memory_$Pointer$#11.base)| |#memory_$Pointer$#11.base|) (= |#memory_$Pointer$#12.base| |old(#memory_$Pointer$#12.base)|) (= |#memory_$Pointer$#8.offset| |old(#memory_$Pointer$#8.offset)|) (= |old(#memory_$Pointer$#10.offset)| |#memory_$Pointer$#10.offset|) (= |old(#valid)| |#valid|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-15 14:21:54,267 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:54,269 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:54,269 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:54,269 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:54,272 WARN L156 FloydHoareUtils]: Requires clause for main contained old-variable. Original clause: (and (= |#memory_int#8| |old(#memory_int#8)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#8.base)| |#memory_$Pointer$#8.base|) (= |old(#memory_$Pointer$#7.base)| |#memory_$Pointer$#7.base|) (= |#memory_int#12| |old(#memory_int#12)|) (= |old(#memory_$Pointer$#11.offset)| |#memory_$Pointer$#11.offset|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_$Pointer$#12.offset| |old(#memory_$Pointer$#12.offset)|) (= |#memory_$Pointer$#7.offset| |old(#memory_$Pointer$#7.offset)|) (= |#memory_int#11| |old(#memory_int#11)|) (= |old(#memory_$Pointer$#10.base)| |#memory_$Pointer$#10.base|) (= |#memory_int#10| |old(#memory_int#10)|) (= |old(#memory_$Pointer$#11.base)| |#memory_$Pointer$#11.base|) (= |#memory_$Pointer$#12.base| |old(#memory_$Pointer$#12.base)|) (= |#memory_$Pointer$#8.offset| |old(#memory_$Pointer$#8.offset)|) (= |old(#memory_$Pointer$#10.offset)| |#memory_$Pointer$#10.offset|) (= |old(#valid)| |#valid|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-15 14:21:54,273 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:54,273 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:54,282 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_97 contained old-variable. Original clause: (and (= |#memory_int#8| |old(#memory_int#8)|) (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#8.base)| |#memory_$Pointer$#8.base|) (= |old(#memory_$Pointer$#7.base)| |#memory_$Pointer$#7.base|) (= |#memory_int#12| |old(#memory_int#12)|) (= |old(#memory_$Pointer$#11.offset)| |#memory_$Pointer$#11.offset|) (= |#memory_$Pointer$#12.offset| |old(#memory_$Pointer$#12.offset)|) (= |#memory_$Pointer$#7.offset| |old(#memory_$Pointer$#7.offset)|) (= |#memory_int#11| |old(#memory_int#11)|) (= |old(#memory_$Pointer$#10.base)| |#memory_$Pointer$#10.base|) (= |#memory_int#10| |old(#memory_int#10)|) (= |old(#memory_$Pointer$#11.base)| |#memory_$Pointer$#11.base|) (= |#memory_$Pointer$#12.base| |old(#memory_$Pointer$#12.base)|) (= |#memory_$Pointer$#8.offset| |old(#memory_$Pointer$#8.offset)|) (= |old(#memory_$Pointer$#10.offset)| |#memory_$Pointer$#10.offset|) (= |old(#valid)| |#valid|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-15 14:21:54,283 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:54,283 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:54,283 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:54,283 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:54,284 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:54,285 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:54,285 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:54,285 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:54,286 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:54,286 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:54,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:21:54 BoogieIcfgContainer [2024-10-15 14:21:54,287 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-15 14:21:54,287 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 14:21:54,287 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 14:21:54,287 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 14:21:54,288 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:50" (3/4) ... [2024-10-15 14:21:54,290 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-15 14:21:54,353 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-10-15 14:21:54,353 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 14:21:54,354 INFO L158 Benchmark]: Toolchain (without parser) took 4683.62ms. Allocated memory was 184.5MB in the beginning and 299.9MB in the end (delta: 115.3MB). Free memory was 113.6MB in the beginning and 126.3MB in the end (delta: -12.7MB). Peak memory consumption was 105.6MB. Max. memory is 16.1GB. [2024-10-15 14:21:54,354 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 14:21:54,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.04ms. Allocated memory is still 184.5MB. Free memory was 113.4MB in the beginning and 149.5MB in the end (delta: -36.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-15 14:21:54,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.18ms. Allocated memory is still 184.5MB. Free memory was 148.8MB in the beginning and 148.1MB in the end (delta: 683.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 14:21:54,355 INFO L158 Benchmark]: Boogie Preprocessor took 79.82ms. Allocated memory is still 184.5MB. Free memory was 148.1MB in the beginning and 141.2MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 14:21:54,355 INFO L158 Benchmark]: RCFGBuilder took 668.10ms. Allocated memory is still 184.5MB. Free memory was 141.2MB in the beginning and 88.7MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-10-15 14:21:54,355 INFO L158 Benchmark]: TraceAbstraction took 3377.19ms. Allocated memory was 184.5MB in the beginning and 299.9MB in the end (delta: 115.3MB). Free memory was 88.7MB in the beginning and 128.4MB in the end (delta: -39.7MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. [2024-10-15 14:21:54,355 INFO L158 Benchmark]: Witness Printer took 66.40ms. Allocated memory is still 299.9MB. Free memory was 128.4MB in the beginning and 126.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 14:21:54,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.04ms. Allocated memory is still 184.5MB. Free memory was 113.4MB in the beginning and 149.5MB in the end (delta: -36.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.18ms. Allocated memory is still 184.5MB. Free memory was 148.8MB in the beginning and 148.1MB in the end (delta: 683.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 79.82ms. Allocated memory is still 184.5MB. Free memory was 148.1MB in the beginning and 141.2MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 668.10ms. Allocated memory is still 184.5MB. Free memory was 141.2MB in the beginning and 88.7MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3377.19ms. Allocated memory was 184.5MB in the beginning and 299.9MB in the end (delta: 115.3MB). Free memory was 88.7MB in the beginning and 128.4MB in the end (delta: -39.7MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. * Witness Printer took 66.40ms. Allocated memory is still 299.9MB. Free memory was 128.4MB in the beginning and 126.3MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 * 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: 463]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 124 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 504 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 491 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 732 IncrementalHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 11 mSDtfsCounter, 732 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: 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: 209]: Location Invariant Derived location invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (\old(Id_MCDC_114) == Id_MCDC_114) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 249]: Procedure Contract for Id_MCDC_92 Derived contract for procedure Id_MCDC_92. 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_114 == \old(Id_MCDC_114))) - ProcedureContractResult [Line: 420]: Procedure Contract for Id_MCDC_100 Derived contract for procedure Id_MCDC_100. 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))) - ProcedureContractResult [Line: 400]: Procedure Contract for Id_MCDC_99 Derived contract for procedure Id_MCDC_99. 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))) - 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_114 == \old(Id_MCDC_114))) - ProcedureContractResult [Line: 427]: Procedure Contract for main Derived contract for procedure main. 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))) - ProcedureContractResult [Line: 331]: Procedure Contract for Id_MCDC_97 Derived contract for procedure Id_MCDC_97. 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_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_114 == \old(Id_MCDC_114))) - ProcedureContractResult [Line: 459]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (Id_MCDC_103 == 1) Ensures: ((Id_MCDC_103 == 1) && (((((((((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_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_114 == \old(Id_MCDC_114))) - ProcedureContractResult [Line: 300]: Procedure Contract for Id_MCDC_96 Derived contract for procedure Id_MCDC_96. 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_114 == \old(Id_MCDC_114))) RESULT: Ultimate proved your program to be correct! [2024-10-15 14:21:54,387 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE