./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_4.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_4.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 469e121da4ec833c883deffdd0e34cc6fa7cb9d795a4a108dd1361b9d2695780 --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 14:21:50,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 14:21:50,738 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-15 14:21:50,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 14:21:50,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 14:21:50,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 14:21:50,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 14:21:50,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 14:21:50,757 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 14:21:50,757 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 14:21:50,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-15 14:21:50,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-15 14:21:50,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 14:21:50,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 14:21:50,759 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 14:21:50,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 14:21:50,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 14:21:50,763 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 14:21:50,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 14:21:50,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 14:21:50,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 14:21:50,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 14:21:50,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 14:21:50,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 14:21:50,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 14:21:50,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 14:21:50,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 14:21:50,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 14:21:50,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 14:21:50,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 14:21:50,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 14:21:50,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 14:21:50,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 14:21:50,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 14:21:50,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-15 14:21:50,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-15 14:21:50,768 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 14:21:50,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-15 14:21:50,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-15 14:21:50,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-15 14:21:50,769 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-15 14:21:50,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-15 14:21:50,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 469e121da4ec833c883deffdd0e34cc6fa7cb9d795a4a108dd1361b9d2695780 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-10-15 14:21:50,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 14:21:50,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 14:21:50,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 14:21:50,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 14:21:50,981 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 14:21:50,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2024-10-15 14:21:52,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 14:21:52,454 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 14:21:52,455 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2024-10-15 14:21:52,461 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/8c35b9785/685016ff8d8c40bbbd824cf4ea92699c/FLAG4cbb12713 [2024-10-15 14:21:52,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/8c35b9785/685016ff8d8c40bbbd824cf4ea92699c [2024-10-15 14:21:52,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 14:21:52,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 14:21:52,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 14:21:52,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 14:21:52,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 14:21:52,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:21:52" (1/1) ... [2024-10-15 14:21:52,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dff389b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:52, skipping insertion in model container [2024-10-15 14:21:52,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:21:52" (1/1) ... [2024-10-15 14:21:52,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 14:21:53,155 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_4.c[11358,11371] [2024-10-15 14:21:53,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 14:21:53,166 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 14:21:53,226 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_4.c[11358,11371] [2024-10-15 14:21:53,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 14:21:53,242 INFO L204 MainTranslator]: Completed translation [2024-10-15 14:21:53,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53 WrapperNode [2024-10-15 14:21:53,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 14:21:53,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 14:21:53,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 14:21:53,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 14:21:53,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (1/1) ... [2024-10-15 14:21:53,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (1/1) ... [2024-10-15 14:21:53,282 INFO L138 Inliner]: procedures = 29, calls = 157, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 14:21:53,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 14:21:53,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 14:21:53,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 14:21:53,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 14:21:53,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (1/1) ... [2024-10-15 14:21:53,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (1/1) ... [2024-10-15 14:21:53,325 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (1/1) ... [2024-10-15 14:21:53,388 INFO L175 MemorySlicer]: Split 85 memory accesses to 15 slices as follows [2, 5, 4, 3, 5, 5, 3, 7, 2, 6, 12, 18, 11, 1, 1]. 21 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [2, 5, 0, 3, 1, 5, 3, 7, 2, 4, 7, 0, 4, 1, 1]. The 5 writes are split as follows [0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 2, 0, 0]. [2024-10-15 14:21:53,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (1/1) ... [2024-10-15 14:21:53,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (1/1) ... [2024-10-15 14:21:53,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (1/1) ... [2024-10-15 14:21:53,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (1/1) ... [2024-10-15 14:21:53,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (1/1) ... [2024-10-15 14:21:53,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (1/1) ... [2024-10-15 14:21:53,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 14:21:53,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 14:21:53,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 14:21:53,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 14:21:53,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (1/1) ... [2024-10-15 14:21:53,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 14:21:53,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 14:21:53,524 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 14:21:53,530 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 14:21:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-15 14:21:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-15 14:21:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-15 14:21:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-15 14:21:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-15 14:21:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-15 14:21:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-15 14:21:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-15 14:21:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-15 14:21:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-15 14:21:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-15 14:21:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-15 14:21:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-15 14:21:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-15 14:21:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-15 14:21:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 14:21:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2024-10-15 14:21:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2024-10-15 14:21:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 14:21:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 14:21:53,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-15 14:21:53,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-15 14:21:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-15 14:21:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-15 14:21:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-15 14:21:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-15 14:21:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-15 14:21:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-15 14:21:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-15 14:21:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-15 14:21:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-15 14:21:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-15 14:21:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-15 14:21:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-15 14:21:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-15 14:21:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 14:21:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-15 14:21:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-15 14:21:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-15 14:21:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-15 14:21:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-15 14:21:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-15 14:21:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-15 14:21:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-15 14:21:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-15 14:21:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-15 14:21:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-15 14:21:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-15 14:21:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-15 14:21:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-15 14:21:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-15 14:21:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2024-10-15 14:21:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2024-10-15 14:21:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-15 14:21:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-15 14:21:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-15 14:21:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-15 14:21:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-15 14:21:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-15 14:21:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-15 14:21:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-15 14:21:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-15 14:21:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-15 14:21:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-15 14:21:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-15 14:21:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-15 14:21:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-15 14:21:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-15 14:21:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-15 14:21:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-15 14:21:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-15 14:21:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-15 14:21:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-15 14:21:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-15 14:21:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-15 14:21:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-15 14:21:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-15 14:21:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-15 14:21:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-15 14:21:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-15 14:21:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-15 14:21:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-15 14:21:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-15 14:21:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2024-10-15 14:21:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2024-10-15 14:21:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2024-10-15 14:21:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2024-10-15 14:21:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2024-10-15 14:21:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2024-10-15 14:21:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 14:21:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-15 14:21:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-15 14:21:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-15 14:21:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-15 14:21:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-15 14:21:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-15 14:21:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-15 14:21:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-15 14:21:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-15 14:21:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-15 14:21:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-15 14:21:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-15 14:21:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-15 14:21:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-15 14:21:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2024-10-15 14:21:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2024-10-15 14:21:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2024-10-15 14:21:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2024-10-15 14:21:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 14:21:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 14:21:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-15 14:21:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 14:21:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 14:21:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-10-15 14:21:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-10-15 14:21:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 14:21:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 14:21:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 14:21:53,783 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 14:21:53,786 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 14:21:54,223 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-10-15 14:21:54,223 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 14:21:54,273 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 14:21:54,273 INFO L314 CfgBuilder]: Removed 7 assume(true) statements. [2024-10-15 14:21:54,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:54 BoogieIcfgContainer [2024-10-15 14:21:54,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 14:21:54,280 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-15 14:21:54,280 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-15 14:21:54,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-15 14:21:54,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:21:52" (1/3) ... [2024-10-15 14:21:54,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@994f65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:54, skipping insertion in model container [2024-10-15 14:21:54,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:53" (2/3) ... [2024-10-15 14:21:54,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@994f65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:54, skipping insertion in model container [2024-10-15 14:21:54,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:54" (3/3) ... [2024-10-15 14:21:54,294 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2024-10-15 14:21:54,318 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-15 14:21:54,318 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-15 14:21:54,414 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-15 14:21:54,426 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;@66221d16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-15 14:21:54,427 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-15 14:21:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 96 states have (on average 1.5833333333333333) internal successors, (152), 98 states have internal predecessors, (152), 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 14:21:54,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-15 14:21:54,443 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 14:21:54,444 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, 1, 1, 1, 1] [2024-10-15 14:21:54,444 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 14:21:54,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:54,449 INFO L85 PathProgramCache]: Analyzing trace with hash 365788815, now seen corresponding path program 1 times [2024-10-15 14:21:54,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 14:21:54,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934985678] [2024-10-15 14:21:54,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 14:21:54,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 14:21:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:54,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 14:21:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:54,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 14:21:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:54,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-15 14:21:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:54,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-15 14:21:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:54,960 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 14:21:54,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 14:21:54,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934985678] [2024-10-15 14:21:54,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934985678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 14:21:54,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 14:21:54,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 14:21:54,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030242976] [2024-10-15 14:21:54,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 14:21:54,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-15 14:21:54,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 14:21:54,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 14:21:54,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-15 14:21:55,000 INFO L87 Difference]: Start difference. First operand has 125 states, 96 states have (on average 1.5833333333333333) internal successors, (152), 98 states have internal predecessors, (152), 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 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-15 14:21:55,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 14:21:55,604 INFO L93 Difference]: Finished difference Result 239 states and 365 transitions. [2024-10-15 14:21:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 14:21:55,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-10-15 14:21:55,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 14:21:55,616 INFO L225 Difference]: With dead ends: 239 [2024-10-15 14:21:55,616 INFO L226 Difference]: Without dead ends: 117 [2024-10-15 14:21:55,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-15 14:21:55,624 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 252 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-15 14:21:55,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 12 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-15 14:21:55,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-15 14:21:55,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-10-15 14:21:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 92 states have (on average 1.5) internal successors, (138), 93 states have internal predecessors, (138), 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 14:21:55,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 166 transitions. [2024-10-15 14:21:55,707 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 166 transitions. Word has length 42 [2024-10-15 14:21:55,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 14:21:55,708 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 166 transitions. [2024-10-15 14:21:55,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-15 14:21:55,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 166 transitions. [2024-10-15 14:21:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-15 14:21:55,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 14:21:55,711 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, 1, 1, 1, 1] [2024-10-15 14:21:55,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-15 14:21:55,711 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 14:21:55,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:55,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1045847185, now seen corresponding path program 1 times [2024-10-15 14:21:55,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 14:21:55,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675107773] [2024-10-15 14:21:55,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 14:21:55,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 14:21:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:55,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 14:21:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:55,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 14:21:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:55,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-15 14:21:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:55,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-15 14:21:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:55,954 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 14:21:55,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 14:21:55,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675107773] [2024-10-15 14:21:55,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675107773] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 14:21:55,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 14:21:55,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-15 14:21:55,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768507571] [2024-10-15 14:21:55,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 14:21:55,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-15 14:21:55,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 14:21:55,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-15 14:21:55,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-15 14:21:55,957 INFO L87 Difference]: Start difference. First operand 117 states and 166 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-15 14:21:56,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 14:21:56,954 INFO L93 Difference]: Finished difference Result 145 states and 200 transitions. [2024-10-15 14:21:56,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-15 14:21:56,954 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-10-15 14:21:56,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 14:21:56,955 INFO L225 Difference]: With dead ends: 145 [2024-10-15 14:21:56,955 INFO L226 Difference]: Without dead ends: 0 [2024-10-15 14:21:56,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-15 14:21:56,956 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 245 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-15 14:21:56,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 9 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-15 14:21:56,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-15 14:21:56,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-15 14:21:56,958 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 14:21:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-15 14:21:56,958 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2024-10-15 14:21:56,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 14:21:56,958 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 14:21:56,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-15 14:21:56,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:56,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-15 14:21:56,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-15 14:21:56,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-15 14:21:56,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-15 14:21:56,964 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-15 14:21:56,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-15 14:21:57,740 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-15 14:21:57,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:57,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:57,760 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_100 contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |#memory_$Pointer$#9.offset| |old(#memory_$Pointer$#9.offset)|) (= |old(#memory_$Pointer$#2.base)| |#memory_$Pointer$#2.base|) (= |#memory_int#9| |old(#memory_int#9)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |#memory_int#2| |old(#memory_int#2)|) (= |#memory_$Pointer$#2.offset| |old(#memory_$Pointer$#2.offset)|) (= |old(#memory_$Pointer$#14.base)| |#memory_$Pointer$#14.base|) (= |#memory_int#14| |old(#memory_int#14)|) (= |old(#memory_$Pointer$#9.base)| |#memory_$Pointer$#9.base|) (= |#memory_int#13| |old(#memory_int#13)|) (= |old(#memory_$Pointer$#13.base)| |#memory_$Pointer$#13.base|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#14.offset| |old(#memory_$Pointer$#14.offset)|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) Eliminated clause: true [2024-10-15 14:21:57,763 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:57,763 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:57,766 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_99 contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |#memory_$Pointer$#9.offset| |old(#memory_$Pointer$#9.offset)|) (= |old(#memory_$Pointer$#2.base)| |#memory_$Pointer$#2.base|) (= |#memory_int#9| |old(#memory_int#9)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |#memory_int#2| |old(#memory_int#2)|) (= |#memory_$Pointer$#2.offset| |old(#memory_$Pointer$#2.offset)|) (= |old(#memory_$Pointer$#14.base)| |#memory_$Pointer$#14.base|) (= |#memory_int#14| |old(#memory_int#14)|) (= |old(#memory_$Pointer$#9.base)| |#memory_$Pointer$#9.base|) (= |#memory_int#13| |old(#memory_int#13)|) (= |old(#memory_$Pointer$#13.base)| |#memory_$Pointer$#13.base|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#14.offset| |old(#memory_$Pointer$#14.offset)|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) Eliminated clause: true [2024-10-15 14:21:57,767 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:57,767 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:57,767 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:57,767 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:57,770 WARN L156 FloydHoareUtils]: Requires clause for main contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |#memory_$Pointer$#9.offset| |old(#memory_$Pointer$#9.offset)|) (= |old(#memory_$Pointer$#2.base)| |#memory_$Pointer$#2.base|) (= |#memory_int#9| |old(#memory_int#9)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |#memory_int#2| |old(#memory_int#2)|) (= |#memory_$Pointer$#2.offset| |old(#memory_$Pointer$#2.offset)|) (= |old(#memory_$Pointer$#14.base)| |#memory_$Pointer$#14.base|) (= |#memory_int#14| |old(#memory_int#14)|) (= |old(#memory_$Pointer$#9.base)| |#memory_$Pointer$#9.base|) (= |#memory_int#13| |old(#memory_int#13)|) (= |old(#memory_$Pointer$#13.base)| |#memory_$Pointer$#13.base|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#14.offset| |old(#memory_$Pointer$#14.offset)|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) Eliminated clause: true [2024-10-15 14:21:57,770 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:57,770 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:57,773 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_97 contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |#memory_$Pointer$#9.offset| |old(#memory_$Pointer$#9.offset)|) (= |old(#memory_$Pointer$#2.base)| |#memory_$Pointer$#2.base|) (= |#memory_int#9| |old(#memory_int#9)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |#memory_int#2| |old(#memory_int#2)|) (= |#memory_$Pointer$#2.offset| |old(#memory_$Pointer$#2.offset)|) (= |old(#memory_$Pointer$#14.base)| |#memory_$Pointer$#14.base|) (= |#memory_int#14| |old(#memory_int#14)|) (= |old(#memory_$Pointer$#9.base)| |#memory_$Pointer$#9.base|) (= |#memory_int#13| |old(#memory_int#13)|) (= |old(#memory_$Pointer$#13.base)| |#memory_$Pointer$#13.base|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#14.offset| |old(#memory_$Pointer$#14.offset)|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) Eliminated clause: true [2024-10-15 14:21:57,773 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:57,773 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:57,774 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:57,774 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:57,775 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:57,775 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:57,775 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:57,776 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:57,776 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:57,776 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:57,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:21:57 BoogieIcfgContainer [2024-10-15 14:21:57,777 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-15 14:21:57,777 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 14:21:57,777 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 14:21:57,777 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 14:21:57,778 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:54" (3/4) ... [2024-10-15 14:21:57,779 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-15 14:21:57,827 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-10-15 14:21:57,827 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 14:21:57,828 INFO L158 Benchmark]: Toolchain (without parser) took 4969.45ms. Allocated memory was 151.0MB in the beginning and 297.8MB in the end (delta: 146.8MB). Free memory was 77.6MB in the beginning and 110.3MB in the end (delta: -32.7MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB. [2024-10-15 14:21:57,828 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 14:21:57,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.74ms. Allocated memory is still 151.0MB. Free memory was 77.4MB in the beginning and 57.7MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 14:21:57,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.87ms. Allocated memory is still 151.0MB. Free memory was 57.5MB in the beginning and 56.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 14:21:57,828 INFO L158 Benchmark]: Boogie Preprocessor took 162.00ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 56.2MB in the beginning and 173.2MB in the end (delta: -117.0MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-10-15 14:21:57,828 INFO L158 Benchmark]: RCFGBuilder took 821.09ms. Allocated memory is still 205.5MB. Free memory was 173.2MB in the beginning and 117.6MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-10-15 14:21:57,829 INFO L158 Benchmark]: TraceAbstraction took 3496.61ms. Allocated memory was 205.5MB in the beginning and 297.8MB in the end (delta: 92.3MB). Free memory was 117.6MB in the beginning and 114.5MB in the end (delta: 3.1MB). Peak memory consumption was 121.0MB. Max. memory is 16.1GB. [2024-10-15 14:21:57,829 INFO L158 Benchmark]: Witness Printer took 50.05ms. Allocated memory is still 297.8MB. Free memory was 114.5MB in the beginning and 110.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 14:21:57,830 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 151.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.74ms. Allocated memory is still 151.0MB. Free memory was 77.4MB in the beginning and 57.7MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.87ms. Allocated memory is still 151.0MB. Free memory was 57.5MB in the beginning and 56.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 162.00ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 56.2MB in the beginning and 173.2MB in the end (delta: -117.0MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * RCFGBuilder took 821.09ms. Allocated memory is still 205.5MB. Free memory was 173.2MB in the beginning and 117.6MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3496.61ms. Allocated memory was 205.5MB in the beginning and 297.8MB in the end (delta: 92.3MB). Free memory was 117.6MB in the beginning and 114.5MB in the end (delta: 3.1MB). Peak memory consumption was 121.0MB. Max. memory is 16.1GB. * Witness Printer took 50.05ms. Allocated memory is still 297.8MB. Free memory was 114.5MB in the beginning and 110.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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, 125 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 510 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 497 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 895 IncrementalHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 11 mSDtfsCounter, 895 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 0.5s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 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 != 0) Ensures: ((Id_MCDC_103 != 0) && (((((((((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 14:21:57,855 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