./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_5.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_5.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 dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 --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 14:21:52,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 14:21:52,339 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-15 14:21:52,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 14:21:52,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 14:21:52,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 14:21:52,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 14:21:52,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 14:21:52,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 14:21:52,376 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 14:21:52,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-15 14:21:52,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-15 14:21:52,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 14:21:52,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 14:21:52,379 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 14:21:52,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 14:21:52,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 14:21:52,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 14:21:52,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 14:21:52,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 14:21:52,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 14:21:52,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 14:21:52,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 14:21:52,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 14:21:52,386 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 14:21:52,386 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 14:21:52,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 14:21:52,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 14:21:52,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 14:21:52,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 14:21:52,388 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 14:21:52,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 14:21:52,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 14:21:52,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 14:21:52,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-15 14:21:52,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-15 14:21:52,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 14:21:52,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-15 14:21:52,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-15 14:21:52,391 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-15 14:21:52,391 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-15 14:21:52,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-15 14:21:52,392 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-10-15 14:21:52,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 14:21:52,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 14:21:52,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 14:21:52,720 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 14:21:52,720 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 14:21:52,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2024-10-15 14:21:54,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 14:21:54,315 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 14:21:54,315 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2024-10-15 14:21:54,324 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/0afcd04c0/f52e22482f5241609c41ff9f48eac472/FLAGf20c92f1e [2024-10-15 14:21:54,335 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/0afcd04c0/f52e22482f5241609c41ff9f48eac472 [2024-10-15 14:21:54,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 14:21:54,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 14:21:54,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 14:21:54,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 14:21:54,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 14:21:54,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272d83de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54, skipping insertion in model container [2024-10-15 14:21:54,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 14:21:54,654 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_5.c[11314,11327] [2024-10-15 14:21:54,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 14:21:54,667 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 14:21:54,738 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_5.c[11314,11327] [2024-10-15 14:21:54,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 14:21:54,757 INFO L204 MainTranslator]: Completed translation [2024-10-15 14:21:54,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54 WrapperNode [2024-10-15 14:21:54,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 14:21:54,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 14:21:54,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 14:21:54,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 14:21:54,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,792 INFO L138 Inliner]: procedures = 29, calls = 157, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 14:21:54,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 14:21:54,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 14:21:54,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 14:21:54,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 14:21:54,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,814 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,856 INFO L175 MemorySlicer]: Split 85 memory accesses to 15 slices as follows [18, 2, 5, 3, 4, 5, 3, 5, 7, 2, 6, 12, 1, 1, 11]. 21 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [0, 2, 5, 3, 0, 5, 3, 1, 7, 2, 4, 7, 1, 1, 4]. The 5 writes are split as follows [0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 2]. [2024-10-15 14:21:54,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 14:21:54,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 14:21:54,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 14:21:54,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 14:21:54,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (1/1) ... [2024-10-15 14:21:54,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 14:21:54,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 14:21:54,965 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 14:21:54,971 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 14:21:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-15 14:21:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-15 14:21:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-15 14:21:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-15 14:21:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-15 14:21:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-15 14:21:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-15 14:21:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-15 14:21:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-15 14:21:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-15 14:21:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-15 14:21:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-15 14:21:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-15 14:21:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-15 14:21:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-15 14:21:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 14:21:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2024-10-15 14:21:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2024-10-15 14:21:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 14:21:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 14:21:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-15 14:21:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-15 14:21:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-15 14:21:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-15 14:21:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-15 14:21:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-15 14:21:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-15 14:21:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-15 14:21:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-15 14:21:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-15 14:21:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-15 14:21:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-15 14:21:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-15 14:21:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-15 14:21:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-15 14:21:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 14:21:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-15 14:21:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-15 14:21:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-15 14:21:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-15 14:21:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-15 14:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-15 14:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-15 14:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-15 14:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-15 14:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-15 14:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-15 14:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-15 14:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-15 14:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-15 14:21:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-15 14:21:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2024-10-15 14:21:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2024-10-15 14:21:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-15 14:21:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-15 14:21:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-15 14:21:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-15 14:21:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-15 14:21:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-15 14:21:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-15 14:21:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-15 14:21:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-15 14:21:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-15 14:21:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-15 14:21:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-15 14:21:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-15 14:21:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-15 14:21:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-15 14:21:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-15 14:21:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-15 14:21:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-15 14:21:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-15 14:21:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-15 14:21:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-15 14:21:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-15 14:21:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-15 14:21:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-15 14:21:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-15 14:21:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-15 14:21:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-15 14:21:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-15 14:21:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-15 14:21:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-15 14:21:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2024-10-15 14:21:55,065 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2024-10-15 14:21:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2024-10-15 14:21:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2024-10-15 14:21:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2024-10-15 14:21:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2024-10-15 14:21:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 14:21:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-15 14:21:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-15 14:21:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-15 14:21:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-15 14:21:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-15 14:21:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-15 14:21:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-15 14:21:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-15 14:21:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-15 14:21:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-15 14:21:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-15 14:21:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-15 14:21:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-15 14:21:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-15 14:21:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2024-10-15 14:21:55,069 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2024-10-15 14:21:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2024-10-15 14:21:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2024-10-15 14:21:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 14:21:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 14:21:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-15 14:21:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 14:21:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 14:21:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-10-15 14:21:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-10-15 14:21:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 14:21:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 14:21:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 14:21:55,298 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 14:21:55,300 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 14:21:55,842 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-10-15 14:21:55,843 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 14:21:55,878 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 14:21:55,879 INFO L314 CfgBuilder]: Removed 7 assume(true) statements. [2024-10-15 14:21:55,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:55 BoogieIcfgContainer [2024-10-15 14:21:55,880 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 14:21:55,882 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-15 14:21:55,883 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-15 14:21:55,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-15 14:21:55,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:21:54" (1/3) ... [2024-10-15 14:21:55,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a32279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:55, skipping insertion in model container [2024-10-15 14:21:55,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:54" (2/3) ... [2024-10-15 14:21:55,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a32279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:55, skipping insertion in model container [2024-10-15 14:21:55,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:55" (3/3) ... [2024-10-15 14:21:55,888 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2024-10-15 14:21:55,904 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-15 14:21:55,904 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-15 14:21:55,958 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-15 14:21:55,965 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;@26fc84ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-15 14:21:55,966 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-15 14:21:55,970 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 14:21:55,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-15 14:21:55,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 14:21:55,983 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 14:21:55,985 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 14:21:55,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:55,990 INFO L85 PathProgramCache]: Analyzing trace with hash 365788815, now seen corresponding path program 1 times [2024-10-15 14:21:55,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 14:21:56,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625111575] [2024-10-15 14:21:56,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 14:21:56,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 14:21:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:56,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 14:21:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:56,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 14:21:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:56,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-15 14:21:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:56,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-15 14:21:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:56,703 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 14:21:56,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 14:21:56,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625111575] [2024-10-15 14:21:56,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625111575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 14:21:56,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 14:21:56,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 14:21:56,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871887905] [2024-10-15 14:21:56,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 14:21:56,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-15 14:21:56,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 14:21:56,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 14:21:56,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-15 14:21:56,743 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 14:21:57,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 14:21:57,743 INFO L93 Difference]: Finished difference Result 239 states and 365 transitions. [2024-10-15 14:21:57,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 14:21:57,747 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 14:21:57,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 14:21:57,758 INFO L225 Difference]: With dead ends: 239 [2024-10-15 14:21:57,758 INFO L226 Difference]: Without dead ends: 117 [2024-10-15 14:21:57,765 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 14:21:57,770 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 252 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-10-15 14:21:57,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 12 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-15 14:21:57,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-15 14:21:57,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-10-15 14:21:57,903 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 14:21:57,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 166 transitions. [2024-10-15 14:21:57,907 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 166 transitions. Word has length 42 [2024-10-15 14:21:57,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 14:21:57,908 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 166 transitions. [2024-10-15 14:21:57,908 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 14:21:57,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:57,909 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 166 transitions. [2024-10-15 14:21:57,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-15 14:21:57,911 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 14:21:57,911 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 14:21:57,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-15 14:21:57,912 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 14:21:57,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:57,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1045847185, now seen corresponding path program 1 times [2024-10-15 14:21:57,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 14:21:57,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211331690] [2024-10-15 14:21:57,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 14:21:57,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 14:21:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:58,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 14:21:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:58,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 14:21:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:58,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-15 14:21:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:58,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-15 14:21:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:58,297 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 14:21:58,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 14:21:58,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211331690] [2024-10-15 14:21:58,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211331690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 14:21:58,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 14:21:58,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-15 14:21:58,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736736221] [2024-10-15 14:21:58,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 14:21:58,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-15 14:21:58,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 14:21:58,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-15 14:21:58,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-15 14:21:58,302 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 14:21:59,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 14:21:59,773 INFO L93 Difference]: Finished difference Result 145 states and 200 transitions. [2024-10-15 14:21:59,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-15 14:21:59,774 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 14:21:59,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 14:21:59,775 INFO L225 Difference]: With dead ends: 145 [2024-10-15 14:21:59,775 INFO L226 Difference]: Without dead ends: 0 [2024-10-15 14:21:59,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-15 14:21:59,776 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 245 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-10-15 14:21:59,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 9 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-15 14:21:59,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-15 14:21:59,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-15 14:21:59,778 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 14:21:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-15 14:21:59,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2024-10-15 14:21:59,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 14:21:59,779 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 14:21:59,779 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 14:21:59,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:59,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-15 14:21:59,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-15 14:21:59,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-15 14:21:59,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-15 14:21:59,786 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-15 14:21:59,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-15 14:22:00,909 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-15 14:22:00,927 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:22:00,928 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:22:00,937 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$#7.base|) (= |#memory_int#12| |old(#memory_int#12)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_$Pointer$#12.offset| |old(#memory_$Pointer$#12.offset)|) (= |#memory_$Pointer$#7.offset| |old(#memory_$Pointer$#7.offset)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#10.base)| |#memory_$Pointer$#10.base|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |#memory_int#10| |old(#memory_int#10)|) (= |#memory_$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$#10.offset|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-15 14:22:00,942 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:22:00,943 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:22:00,949 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_99 contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#7.base)| |#memory_$Pointer$#7.base|) (= |#memory_int#12| |old(#memory_int#12)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_$Pointer$#12.offset| |old(#memory_$Pointer$#12.offset)|) (= |#memory_$Pointer$#7.offset| |old(#memory_$Pointer$#7.offset)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#10.base)| |#memory_$Pointer$#10.base|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |#memory_int#10| |old(#memory_int#10)|) (= |#memory_$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$#10.offset|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-15 14:22:00,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:22:00,951 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:22:00,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:22:00,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:22:00,958 WARN L156 FloydHoareUtils]: Requires clause for main contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#7.base)| |#memory_$Pointer$#7.base|) (= |#memory_int#12| |old(#memory_int#12)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_$Pointer$#12.offset| |old(#memory_$Pointer$#12.offset)|) (= |#memory_$Pointer$#7.offset| |old(#memory_$Pointer$#7.offset)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#10.base)| |#memory_$Pointer$#10.base|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |#memory_int#10| |old(#memory_int#10)|) (= |#memory_$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$#10.offset|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-15 14:22:00,959 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:22:00,960 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:22:00,963 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_97 contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#7.base)| |#memory_$Pointer$#7.base|) (= |#memory_int#12| |old(#memory_int#12)|) (= |#memory_$Pointer$#12.offset| |old(#memory_$Pointer$#12.offset)|) (= |#memory_$Pointer$#7.offset| |old(#memory_$Pointer$#7.offset)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#10.base)| |#memory_$Pointer$#10.base|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |#memory_int#10| |old(#memory_int#10)|) (= |#memory_$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$#10.offset|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-15 14:22:00,964 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:22:00,964 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:22:00,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:22:00,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:22:00,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:22:00,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:22:00,967 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:22:00,967 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:22:00,972 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 [2024-10-15 14:22:00,972 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 [2024-10-15 14:22:00,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:22:00 BoogieIcfgContainer [2024-10-15 14:22:00,973 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-15 14:22:00,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 14:22:00,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 14:22:00,974 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 14:22:00,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:55" (3/4) ... [2024-10-15 14:22:00,977 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-15 14:22:01,051 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-10-15 14:22:01,052 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 14:22:01,054 INFO L158 Benchmark]: Toolchain (without parser) took 6715.59ms. Allocated memory was 153.1MB in the beginning and 318.8MB in the end (delta: 165.7MB). Free memory was 118.6MB in the beginning and 114.8MB in the end (delta: 3.8MB). Peak memory consumption was 168.1MB. Max. memory is 16.1GB. [2024-10-15 14:22:01,054 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 153.1MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 14:22:01,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.56ms. Allocated memory is still 153.1MB. Free memory was 117.9MB in the beginning and 98.4MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 14:22:01,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.13ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 96.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 14:22:01,055 INFO L158 Benchmark]: Boogie Preprocessor took 129.75ms. Allocated memory is still 153.1MB. Free memory was 96.9MB in the beginning and 90.0MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 14:22:01,055 INFO L158 Benchmark]: RCFGBuilder took 956.95ms. Allocated memory is still 153.1MB. Free memory was 90.0MB in the beginning and 74.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 14:22:01,055 INFO L158 Benchmark]: TraceAbstraction took 5091.20ms. Allocated memory was 153.1MB in the beginning and 318.8MB in the end (delta: 165.7MB). Free memory was 73.1MB in the beginning and 116.9MB in the end (delta: -43.8MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2024-10-15 14:22:01,056 INFO L158 Benchmark]: Witness Printer took 79.45ms. Allocated memory is still 318.8MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 14:22:01,058 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 153.1MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.56ms. Allocated memory is still 153.1MB. Free memory was 117.9MB in the beginning and 98.4MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.13ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 96.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.75ms. Allocated memory is still 153.1MB. Free memory was 96.9MB in the beginning and 90.0MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 956.95ms. Allocated memory is still 153.1MB. Free memory was 90.0MB in the beginning and 74.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5091.20ms. Allocated memory was 153.1MB in the beginning and 318.8MB in the end (delta: 165.7MB). Free memory was 73.1MB in the beginning and 116.9MB in the end (delta: -43.8MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. * Witness Printer took 79.45ms. Allocated memory is still 318.8MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_113 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 463]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 510 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 497 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 1.1s 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, 1.1s 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s 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 14:22:01,088 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