./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_2.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_2.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 a23a17038467a4b0973e39785173179a6b9a1bb4d9769749cbca92c19670a850 --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 14:21:47,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 14:21:47,861 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-15 14:21:47,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 14:21:47,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 14:21:47,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 14:21:47,905 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 14:21:47,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 14:21:47,906 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 14:21:47,907 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 14:21:47,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-15 14:21:47,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-15 14:21:47,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 14:21:47,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 14:21:47,913 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 14:21:47,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 14:21:47,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 14:21:47,913 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 14:21:47,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 14:21:47,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 14:21:47,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 14:21:47,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 14:21:47,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 14:21:47,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 14:21:47,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 14:21:47,915 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 14:21:47,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 14:21:47,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 14:21:47,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 14:21:47,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 14:21:47,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 14:21:47,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 14:21:47,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 14:21:47,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 14:21:47,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-15 14:21:47,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-15 14:21:47,917 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 14:21:47,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-15 14:21:47,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-15 14:21:47,921 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-15 14:21:47,921 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-15 14:21:47,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-15 14:21:47,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a23a17038467a4b0973e39785173179a6b9a1bb4d9769749cbca92c19670a850 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-10-15 14:21:48,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 14:21:48,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 14:21:48,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 14:21:48,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 14:21:48,171 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 14:21:48,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2024-10-15 14:21:49,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 14:21:49,771 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 14:21:49,772 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2024-10-15 14:21:49,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/f3b91afb3/393fdf3ed0b54c30a8a46035425a0d5b/FLAG1e3cd38f9 [2024-10-15 14:21:49,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/f3b91afb3/393fdf3ed0b54c30a8a46035425a0d5b [2024-10-15 14:21:49,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 14:21:49,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 14:21:49,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 14:21:49,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 14:21:49,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 14:21:49,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:21:49" (1/1) ... [2024-10-15 14:21:49,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290c6d40 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 14:21:49,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:21:49" (1/1) ... [2024-10-15 14:21:49,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 14:21:50,183 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_2.c[11342,11355] [2024-10-15 14:21:50,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 14:21:50,198 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 14:21:50,276 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_2.c[11342,11355] [2024-10-15 14:21:50,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 14:21:50,301 INFO L204 MainTranslator]: Completed translation [2024-10-15 14:21:50,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:50 WrapperNode [2024-10-15 14:21:50,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 14:21:50,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 14:21:50,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 14:21:50,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 14:21:50,310 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 14:21:50,329 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 14:21:50,337 INFO L138 Inliner]: procedures = 29, calls = 155, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 14:21:50,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 14:21:50,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 14:21:50,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 14:21:50,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 14:21:50,350 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 14:21:50,350 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 14:21:50,357 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 14:21:50,403 INFO L175 MemorySlicer]: Split 83 memory accesses to 15 slices as follows [2, 5, 3, 5, 3, 7, 2, 6, 12, 9, 4, 5, 1, 1, 18]. 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, 7, 4, 0, 1, 1, 1, 0]. The 5 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 1, 0, 0, 0, 0]. [2024-10-15 14:21:50,406 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 14:21:50,407 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 14:21:50,431 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 14:21:50,440 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 14:21:50,445 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 14:21:50,450 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 14:21:50,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 14:21:50,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 14:21:50,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 14:21:50,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 14:21:50,461 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 14:21:50,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 14:21:50,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 14:21:50,495 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 14:21:50,502 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 14:21:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-15 14:21:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-15 14:21:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-15 14:21:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-15 14:21:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-15 14:21:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-15 14:21:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-15 14:21:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-15 14:21:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-15 14:21:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-15 14:21:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-15 14:21:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-15 14:21:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-15 14:21:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-15 14:21:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-15 14:21:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 14:21:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2024-10-15 14:21:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2024-10-15 14:21:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 14:21:50,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 14:21:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-15 14:21:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-15 14:21:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-15 14:21:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-15 14:21:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-15 14:21:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-15 14:21:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-15 14:21:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-15 14:21:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-15 14:21:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-15 14:21:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-15 14:21:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-15 14:21:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-15 14:21:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-15 14:21:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-15 14:21:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 14:21:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-15 14:21:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-15 14:21:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-15 14:21:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-15 14:21:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-15 14:21:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-15 14:21:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-15 14:21:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-15 14:21:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-15 14:21:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-15 14:21:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-15 14:21:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-15 14:21:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-15 14:21:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-15 14:21:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-15 14:21:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2024-10-15 14:21:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2024-10-15 14:21:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-15 14:21:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-15 14:21:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-15 14:21:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-15 14:21:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-15 14:21:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-15 14:21:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-15 14:21:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-15 14:21:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-15 14:21:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-15 14:21:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-15 14:21:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-15 14:21:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-15 14:21:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-15 14:21:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-15 14:21:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-15 14:21:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-15 14:21:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-15 14:21:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-15 14:21:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-15 14:21:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-15 14:21:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-15 14:21:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-15 14:21:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-15 14:21:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-15 14:21:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-15 14:21:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-15 14:21:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-15 14:21:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-15 14:21:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-15 14:21:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2024-10-15 14:21:50,565 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2024-10-15 14:21:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2024-10-15 14:21:50,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2024-10-15 14:21:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2024-10-15 14:21:50,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2024-10-15 14:21:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 14:21:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-15 14:21:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-15 14:21:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-15 14:21:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-15 14:21:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-15 14:21:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-15 14:21:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-15 14:21:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-15 14:21:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-15 14:21:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-15 14:21:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-15 14:21:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-15 14:21:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-15 14:21:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-15 14:21:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2024-10-15 14:21:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2024-10-15 14:21:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2024-10-15 14:21:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2024-10-15 14:21:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 14:21:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 14:21:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-15 14:21:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 14:21:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 14:21:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-10-15 14:21:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-10-15 14:21:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 14:21:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 14:21:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 14:21:50,837 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 14:21:50,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 14:21:51,510 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-10-15 14:21:51,510 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 14:21:51,547 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 14:21:51,547 INFO L314 CfgBuilder]: Removed 7 assume(true) statements. [2024-10-15 14:21:51,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:51 BoogieIcfgContainer [2024-10-15 14:21:51,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 14:21:51,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-15 14:21:51,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-15 14:21:51,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-15 14:21:51,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:21:49" (1/3) ... [2024-10-15 14:21:51,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb28f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:51, skipping insertion in model container [2024-10-15 14:21:51,557 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 14:21:51,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb28f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:51, skipping insertion in model container [2024-10-15 14:21:51,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:51" (3/3) ... [2024-10-15 14:21:51,559 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2024-10-15 14:21:51,575 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-15 14:21:51,575 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-15 14:21:51,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-15 14:21:51,638 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;@79c1a1bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-15 14:21:51,639 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-15 14:21:51,642 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 14:21:51,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-15 14:21:51,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 14:21:51,652 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 14:21:51,653 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 14:21:51,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:51,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1352206058, now seen corresponding path program 1 times [2024-10-15 14:21:51,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 14:21:51,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952580173] [2024-10-15 14:21:51,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 14:21:51,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 14:21:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:52,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 14:21:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:52,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 14:21:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:52,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-15 14:21:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:52,232 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 14:21:52,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 14:21:52,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952580173] [2024-10-15 14:21:52,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952580173] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 14:21:52,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 14:21:52,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 14:21:52,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294117144] [2024-10-15 14:21:52,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 14:21:52,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-15 14:21:52,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 14:21:52,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 14:21:52,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-15 14:21:52,268 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 14:21:53,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 14:21:53,236 INFO L93 Difference]: Finished difference Result 237 states and 361 transitions. [2024-10-15 14:21:53,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 14:21:53,238 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 14:21:53,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 14:21:53,249 INFO L225 Difference]: With dead ends: 237 [2024-10-15 14:21:53,249 INFO L226 Difference]: Without dead ends: 116 [2024-10-15 14:21:53,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-15 14:21:53,259 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 248 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-10-15 14:21:53,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 12 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-15 14:21:53,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-10-15 14:21:53,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-10-15 14:21:53,372 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 14:21:53,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2024-10-15 14:21:53,376 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 164 transitions. Word has length 38 [2024-10-15 14:21:53,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 14:21:53,376 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 164 transitions. [2024-10-15 14:21:53,377 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 14:21:53,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:53,377 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2024-10-15 14:21:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-15 14:21:53,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 14:21:53,380 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 14:21:53,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-15 14:21:53,380 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 14:21:53,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:53,381 INFO L85 PathProgramCache]: Analyzing trace with hash 542859432, now seen corresponding path program 1 times [2024-10-15 14:21:53,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 14:21:53,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594511397] [2024-10-15 14:21:53,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 14:21:53,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 14:21:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:53,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 14:21:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:53,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 14:21:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:53,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-15 14:21:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:53,716 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 14:21:53,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 14:21:53,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594511397] [2024-10-15 14:21:53,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594511397] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 14:21:53,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 14:21:53,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-15 14:21:53,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348689223] [2024-10-15 14:21:53,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 14:21:53,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-15 14:21:53,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 14:21:53,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-15 14:21:53,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-15 14:21:53,719 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 14:21:54,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 14:21:54,809 INFO L93 Difference]: Finished difference Result 116 states and 164 transitions. [2024-10-15 14:21:54,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-15 14:21:54,810 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 14:21:54,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 14:21:54,811 INFO L225 Difference]: With dead ends: 116 [2024-10-15 14:21:54,811 INFO L226 Difference]: Without dead ends: 0 [2024-10-15 14:21:54,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-15 14:21:54,813 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 243 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-10-15 14:21:54,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 7 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-15 14:21:54,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-15 14:21:54,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-15 14:21:54,815 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 14:21:54,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-15 14:21:54,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2024-10-15 14:21:54,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 14:21:54,815 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 14:21:54,815 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 14:21:54,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-15 14:21:54,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-15 14:21:54,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-15 14:21:54,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-15 14:21:54,825 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-15 14:21:54,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-15 14:21:55,820 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-15 14:21:55,850 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:55,853 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:55,866 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_100 contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |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$#10.base|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |#memory_int#10| |old(#memory_int#10)|) (= |old(#memory_$Pointer$#11.base)| |#memory_$Pointer$#11.base|) (= |#memory_$Pointer$#12.base| |old(#memory_$Pointer$#12.base)|) (= |#memory_int#13| |old(#memory_int#13)|) (= |old(#memory_$Pointer$#13.base)| |#memory_$Pointer$#13.base|) (= |old(#memory_$Pointer$#10.offset)| |#memory_$Pointer$#10.offset|) (= |old(#valid)| |#valid|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-15 14:21:55,870 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:55,871 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:55,877 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_99 contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$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$#10.base|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |#memory_int#10| |old(#memory_int#10)|) (= |old(#memory_$Pointer$#11.base)| |#memory_$Pointer$#11.base|) (= |#memory_$Pointer$#12.base| |old(#memory_$Pointer$#12.base)|) (= |#memory_int#13| |old(#memory_int#13)|) (= |old(#memory_$Pointer$#13.base)| |#memory_$Pointer$#13.base|) (= |old(#memory_$Pointer$#10.offset)| |#memory_$Pointer$#10.offset|) (= |old(#valid)| |#valid|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-15 14:21:55,877 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:55,878 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:55,878 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:55,878 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:55,884 WARN L156 FloydHoareUtils]: Requires clause for main contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$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$#10.base|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |#memory_int#10| |old(#memory_int#10)|) (= |old(#memory_$Pointer$#11.base)| |#memory_$Pointer$#11.base|) (= |#memory_$Pointer$#12.base| |old(#memory_$Pointer$#12.base)|) (= |#memory_int#13| |old(#memory_int#13)|) (= |old(#memory_$Pointer$#13.base)| |#memory_$Pointer$#13.base|) (= |old(#memory_$Pointer$#10.offset)| |#memory_$Pointer$#10.offset|) (= |old(#valid)| |#valid|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-15 14:21:55,885 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:55,886 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:55,888 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_97 contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$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$#10.base|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |#memory_int#10| |old(#memory_int#10)|) (= |old(#memory_$Pointer$#11.base)| |#memory_$Pointer$#11.base|) (= |#memory_$Pointer$#12.base| |old(#memory_$Pointer$#12.base)|) (= |#memory_int#13| |old(#memory_int#13)|) (= |old(#memory_$Pointer$#13.base)| |#memory_$Pointer$#13.base|) (= |old(#memory_$Pointer$#10.offset)| |#memory_$Pointer$#10.offset|) (= |old(#valid)| |#valid|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-15 14:21:55,889 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:55,889 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:55,890 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:55,890 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:55,893 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:55,895 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:55,895 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:55,896 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:55,898 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:21:55,898 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:21:55,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:21:55 BoogieIcfgContainer [2024-10-15 14:21:55,899 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-15 14:21:55,899 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 14:21:55,899 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 14:21:55,899 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 14:21:55,901 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:51" (3/4) ... [2024-10-15 14:21:55,903 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-15 14:21:55,975 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-10-15 14:21:55,975 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 14:21:55,976 INFO L158 Benchmark]: Toolchain (without parser) took 6167.12ms. Allocated memory was 184.5MB in the beginning and 237.0MB in the end (delta: 52.4MB). Free memory was 153.2MB in the beginning and 76.1MB in the end (delta: 77.1MB). Peak memory consumption was 129.8MB. Max. memory is 16.1GB. [2024-10-15 14:21:55,976 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 14:21:55,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.08ms. Allocated memory is still 184.5MB. Free memory was 153.0MB in the beginning and 136.6MB in the end (delta: 16.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-10-15 14:21:55,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.12ms. Allocated memory is still 184.5MB. Free memory was 136.6MB in the beginning and 135.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 14:21:55,977 INFO L158 Benchmark]: Boogie Preprocessor took 118.28ms. Allocated memory is still 184.5MB. Free memory was 135.3MB in the beginning and 129.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 14:21:55,977 INFO L158 Benchmark]: RCFGBuilder took 1087.91ms. Allocated memory is still 184.5MB. Free memory was 128.3MB in the beginning and 134.8MB in the end (delta: -6.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-15 14:21:55,978 INFO L158 Benchmark]: TraceAbstraction took 4346.71ms. Allocated memory was 184.5MB in the beginning and 237.0MB in the end (delta: 52.4MB). Free memory was 133.8MB in the beginning and 79.3MB in the end (delta: 54.5MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2024-10-15 14:21:55,978 INFO L158 Benchmark]: Witness Printer took 76.23ms. Allocated memory is still 237.0MB. Free memory was 79.3MB in the beginning and 76.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 14:21:55,981 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 134.2MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.08ms. Allocated memory is still 184.5MB. Free memory was 153.0MB in the beginning and 136.6MB in the end (delta: 16.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.12ms. Allocated memory is still 184.5MB. Free memory was 136.6MB in the beginning and 135.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 118.28ms. Allocated memory is still 184.5MB. Free memory was 135.3MB in the beginning and 129.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1087.91ms. Allocated memory is still 184.5MB. Free memory was 128.3MB in the beginning and 134.8MB in the end (delta: -6.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4346.71ms. Allocated memory was 184.5MB in the beginning and 237.0MB in the end (delta: 52.4MB). Free memory was 133.8MB in the beginning and 79.3MB in the end (delta: 54.5MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. * Witness Printer took 76.23ms. Allocated memory is still 237.0MB. Free memory was 79.3MB in the beginning and 76.1MB in the end (delta: 3.1MB). 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, 124 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 504 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 491 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 1.0s 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, 0.9s 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, 0.2s SatisfiabilityAnalysisTime, 0.6s 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 14:21:56,013 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