./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_1.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_1.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 baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 --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 14:21:42,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 14:21:42,428 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-15 14:21:42,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 14:21:42,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 14:21:42,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 14:21:42,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 14:21:42,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 14:21:42,455 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 14:21:42,458 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 14:21:42,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-15 14:21:42,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-15 14:21:42,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 14:21:42,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 14:21:42,460 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 14:21:42,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 14:21:42,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 14:21:42,460 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 14:21:42,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 14:21:42,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 14:21:42,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 14:21:42,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 14:21:42,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 14:21:42,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 14:21:42,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 14:21:42,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 14:21:42,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 14:21:42,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 14:21:42,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 14:21:42,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 14:21:42,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 14:21:42,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 14:21:42,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 14:21:42,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 14:21:42,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-15 14:21:42,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-15 14:21:42,464 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 14:21:42,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-15 14:21:42,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-15 14:21:42,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-15 14:21:42,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-15 14:21:42,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-15 14:21:42,466 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-10-15 14:21:42,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 14:21:42,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 14:21:42,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 14:21:42,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 14:21:42,700 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 14:21:42,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2024-10-15 14:21:43,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 14:21:44,155 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 14:21:44,156 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2024-10-15 14:21:44,166 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/2a5c6321b/c9bf58d4b47e4013ab66f1881962ad42/FLAG17921c380 [2024-10-15 14:21:44,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/2a5c6321b/c9bf58d4b47e4013ab66f1881962ad42 [2024-10-15 14:21:44,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 14:21:44,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 14:21:44,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 14:21:44,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 14:21:44,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 14:21:44,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e538427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44, skipping insertion in model container [2024-10-15 14:21:44,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 14:21:44,445 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_1.c[11890,11903] [2024-10-15 14:21:44,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 14:21:44,461 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 14:21:44,516 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_1.c[11890,11903] [2024-10-15 14:21:44,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 14:21:44,536 INFO L204 MainTranslator]: Completed translation [2024-10-15 14:21:44,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44 WrapperNode [2024-10-15 14:21:44,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 14:21:44,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 14:21:44,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 14:21:44,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 14:21:44,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,560 INFO L138 Inliner]: procedures = 29, calls = 155, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 14:21:44,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 14:21:44,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 14:21:44,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 14:21:44,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 14:21:44,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,574 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,598 INFO L175 MemorySlicer]: Split 83 memory accesses to 15 slices as follows [2, 5, 3, 4, 5, 5, 3, 7, 2, 6, 12, 9, 1, 1, 18]. 22 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [2, 5, 3, 0, 1, 5, 3, 7, 2, 4, 7, 4, 1, 1, 0]. The 5 writes are split as follows [0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 2, 0, 0, 0]. [2024-10-15 14:21:44,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 14:21:44,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 14:21:44,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 14:21:44,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 14:21:44,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (1/1) ... [2024-10-15 14:21:44,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 14:21:44,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 14:21:44,670 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 14:21:44,672 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 14:21:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2024-10-15 14:21:44,711 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2024-10-15 14:21:44,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-15 14:21:44,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-15 14:21:44,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-15 14:21:44,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-15 14:21:44,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-15 14:21:44,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-15 14:21:44,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-15 14:21:44,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-15 14:21:44,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2024-10-15 14:21:44,713 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2024-10-15 14:21:44,713 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2024-10-15 14:21:44,713 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 14:21:44,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-15 14:21:44,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-15 14:21:44,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-15 14:21:44,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-15 14:21:44,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-15 14:21:44,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-15 14:21:44,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-15 14:21:44,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-15 14:21:44,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-15 14:21:44,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-15 14:21:44,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-15 14:21:44,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-15 14:21:44,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-15 14:21:44,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-15 14:21:44,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-15 14:21:44,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-15 14:21:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-15 14:21:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-15 14:21:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-15 14:21:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-15 14:21:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-15 14:21:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-15 14:21:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-15 14:21:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-15 14:21:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-15 14:21:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-15 14:21:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-15 14:21:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-15 14:21:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-15 14:21:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-15 14:21:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2024-10-15 14:21:44,719 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2024-10-15 14:21:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2024-10-15 14:21:44,720 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2024-10-15 14:21:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-15 14:21:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-15 14:21:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-15 14:21:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-15 14:21:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-15 14:21:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-15 14:21:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-15 14:21:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-15 14:21:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-15 14:21:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-15 14:21:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-15 14:21:44,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-15 14:21:44,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-15 14:21:44,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-15 14:21:44,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-15 14:21:44,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 14:21:44,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 14:21:44,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-15 14:21:44,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 14:21:44,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 14:21:44,724 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-10-15 14:21:44,724 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-10-15 14:21:44,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 14:21:44,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 14:21:44,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 14:21:44,724 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2024-10-15 14:21:44,724 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2024-10-15 14:21:44,878 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 14:21:44,879 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 14:21:45,308 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-10-15 14:21:45,308 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 14:21:45,335 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 14:21:45,338 INFO L314 CfgBuilder]: Removed 7 assume(true) statements. [2024-10-15 14:21:45,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:45 BoogieIcfgContainer [2024-10-15 14:21:45,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 14:21:45,340 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-15 14:21:45,340 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-15 14:21:45,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-15 14:21:45,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:21:44" (1/3) ... [2024-10-15 14:21:45,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5874f6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:45, skipping insertion in model container [2024-10-15 14:21:45,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:21:44" (2/3) ... [2024-10-15 14:21:45,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5874f6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:21:45, skipping insertion in model container [2024-10-15 14:21:45,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:45" (3/3) ... [2024-10-15 14:21:45,346 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2024-10-15 14:21:45,359 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-15 14:21:45,360 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-15 14:21:45,414 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-15 14:21:45,419 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;@1505d514, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-15 14:21:45,420 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-15 14:21:45,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 94 states have (on average 1.5851063829787233) internal successors, (149), 96 states have internal predecessors, (149), 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 14:21:45,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-15 14:21:45,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 14:21:45,434 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] [2024-10-15 14:21:45,435 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 14:21:45,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:45,440 INFO L85 PathProgramCache]: Analyzing trace with hash 237524181, now seen corresponding path program 1 times [2024-10-15 14:21:45,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 14:21:45,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18082234] [2024-10-15 14:21:45,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 14:21:45,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 14:21:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:45,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 14:21:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:45,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 14:21:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:45,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-15 14:21:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:45,928 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 14:21:45,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 14:21:45,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18082234] [2024-10-15 14:21:45,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18082234] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 14:21:45,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 14:21:45,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 14:21:45,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136085910] [2024-10-15 14:21:45,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 14:21:45,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-15 14:21:45,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 14:21:45,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 14:21:45,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-15 14:21:45,957 INFO L87 Difference]: Start difference. First operand has 123 states, 94 states have (on average 1.5851063829787233) internal successors, (149), 96 states have internal predecessors, (149), 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 6.25) internal successors, (25), 2 states have internal predecessors, (25), 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 14:21:46,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 14:21:46,654 INFO L93 Difference]: Finished difference Result 235 states and 359 transitions. [2024-10-15 14:21:46,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 14:21:46,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 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 37 [2024-10-15 14:21:46,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 14:21:46,664 INFO L225 Difference]: With dead ends: 235 [2024-10-15 14:21:46,664 INFO L226 Difference]: Without dead ends: 115 [2024-10-15 14:21:46,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 14:21:46,671 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 246 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-15 14:21:46,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 12 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-15 14:21:46,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-15 14:21:46,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-10-15 14:21:46,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 90 states have (on average 1.5) internal successors, (135), 91 states have internal predecessors, (135), 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 14:21:46,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2024-10-15 14:21:46,753 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 37 [2024-10-15 14:21:46,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 14:21:46,754 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2024-10-15 14:21:46,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 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 14:21:46,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2024-10-15 14:21:46,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-15 14:21:46,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 14:21:46,756 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] [2024-10-15 14:21:46,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-15 14:21:46,756 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 14:21:46,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:46,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2012531543, now seen corresponding path program 1 times [2024-10-15 14:21:46,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 14:21:46,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027534395] [2024-10-15 14:21:46,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 14:21:46,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 14:21:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:46,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 14:21:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:46,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 14:21:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:46,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-15 14:21:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 14:21:46,973 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 14:21:46,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 14:21:46,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027534395] [2024-10-15 14:21:46,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027534395] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 14:21:46,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 14:21:46,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-15 14:21:46,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102762711] [2024-10-15 14:21:46,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 14:21:46,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-15 14:21:46,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 14:21:46,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-15 14:21:46,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-15 14:21:46,979 INFO L87 Difference]: Start difference. First operand 115 states and 163 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 3 states have internal predecessors, (25), 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 14:21:47,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 14:21:47,848 INFO L93 Difference]: Finished difference Result 115 states and 163 transitions. [2024-10-15 14:21:47,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-15 14:21:47,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 3 states have internal predecessors, (25), 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 37 [2024-10-15 14:21:47,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 14:21:47,849 INFO L225 Difference]: With dead ends: 115 [2024-10-15 14:21:47,849 INFO L226 Difference]: Without dead ends: 0 [2024-10-15 14:21:47,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-15 14:21:47,851 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 241 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-15 14:21:47,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 7 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-15 14:21:47,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-15 14:21:47,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-15 14:21:47,852 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 14:21:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-15 14:21:47,852 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2024-10-15 14:21:47,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 14:21:47,853 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 14:21:47,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 3 states have internal predecessors, (25), 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 14:21:47,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 14:21:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-15 14:21:47,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-15 14:21:47,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-15 14:21:47,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-15 14:21:47,858 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-15 14:21:47,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-15 14:21:48,593 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-15 14:21:48,606 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 [2024-10-15 14:21:48,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 [2024-10-15 14:21:48,612 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_115 contained old-variable. Original clause: (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$#9.offset| |old(#memory_$Pointer$#9.offset)|) (= |#memory_int#12| |old(#memory_int#12)|) (= |#memory_int#9| |old(#memory_int#9)|) (= |#memory_$Pointer$#12.offset| |old(#memory_$Pointer$#12.offset)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |#memory_$Pointer$#12.base| |old(#memory_$Pointer$#12.base)|) (= |old(#memory_$Pointer$#9.base)| |#memory_$Pointer$#9.base|) (= |#memory_int#13| |old(#memory_int#13)|) (= |old(#memory_$Pointer$#13.base)| |#memory_$Pointer$#13.base|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) Eliminated clause: true [2024-10-15 14:21:48,619 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 [2024-10-15 14:21:48,619 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 [2024-10-15 14:21:48,620 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 [2024-10-15 14:21:48,620 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 [2024-10-15 14:21:48,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 [2024-10-15 14:21:48,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 [2024-10-15 14:21:48,625 WARN L156 FloydHoareUtils]: Requires clause for main contained old-variable. Original clause: (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$#9.offset| |old(#memory_$Pointer$#9.offset)|) (= |#memory_int#12| |old(#memory_int#12)|) (= |#memory_int#9| |old(#memory_int#9)|) (= |#memory_$Pointer$#12.offset| |old(#memory_$Pointer$#12.offset)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |#memory_$Pointer$#12.base| |old(#memory_$Pointer$#12.base)|) (= |old(#memory_$Pointer$#9.base)| |#memory_$Pointer$#9.base|) (= |#memory_int#13| |old(#memory_int#13)|) (= |old(#memory_$Pointer$#13.base)| |#memory_$Pointer$#13.base|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) Eliminated clause: true [2024-10-15 14:21:48,625 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 [2024-10-15 14:21:48,626 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 [2024-10-15 14:21:48,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 [2024-10-15 14:21:48,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 [2024-10-15 14:21:48,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 [2024-10-15 14:21:48,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 [2024-10-15 14:21:48,634 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_117 contained old-variable. Original clause: (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$#9.offset| |old(#memory_$Pointer$#9.offset)|) (= |#memory_int#12| |old(#memory_int#12)|) (= |#memory_int#9| |old(#memory_int#9)|) (= |#memory_$Pointer$#12.offset| |old(#memory_$Pointer$#12.offset)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |#memory_$Pointer$#12.base| |old(#memory_$Pointer$#12.base)|) (= |old(#memory_$Pointer$#9.base)| |#memory_$Pointer$#9.base|) (= |#memory_int#13| |old(#memory_int#13)|) (= |old(#memory_$Pointer$#13.base)| |#memory_$Pointer$#13.base|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) Eliminated clause: true [2024-10-15 14:21:48,636 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 [2024-10-15 14:21:48,637 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 [2024-10-15 14:21:48,642 WARN L156 FloydHoareUtils]: Requires clause for Id_MCDC_118 contained old-variable. Original clause: (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$#9.offset| |old(#memory_$Pointer$#9.offset)|) (= |#memory_int#12| |old(#memory_int#12)|) (= |#memory_int#9| |old(#memory_int#9)|) (= |#memory_$Pointer$#12.offset| |old(#memory_$Pointer$#12.offset)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#13.offset)| |#memory_$Pointer$#13.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |#memory_$Pointer$#12.base| |old(#memory_$Pointer$#12.base)|) (= |old(#memory_$Pointer$#9.base)| |#memory_$Pointer$#9.base|) (= |#memory_int#13| |old(#memory_int#13)|) (= |old(#memory_$Pointer$#13.base)| |#memory_$Pointer$#13.base|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) Eliminated clause: true [2024-10-15 14:21:48,643 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 [2024-10-15 14:21:48,643 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 [2024-10-15 14:21:48,643 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 [2024-10-15 14:21:48,644 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 [2024-10-15 14:21:48,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:21:48 BoogieIcfgContainer [2024-10-15 14:21:48,644 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-15 14:21:48,644 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 14:21:48,644 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 14:21:48,645 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 14:21:48,645 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:21:45" (3/4) ... [2024-10-15 14:21:48,647 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-15 14:21:48,699 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-10-15 14:21:48,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 14:21:48,700 INFO L158 Benchmark]: Toolchain (without parser) took 4509.75ms. Allocated memory was 153.1MB in the beginning and 278.9MB in the end (delta: 125.8MB). Free memory was 122.1MB in the beginning and 204.8MB in the end (delta: -82.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-15 14:21:48,700 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 153.1MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 14:21:48,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.10ms. Allocated memory is still 153.1MB. Free memory was 121.5MB in the beginning and 101.2MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 14:21:48,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.19ms. Allocated memory is still 153.1MB. Free memory was 101.2MB in the beginning and 99.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 14:21:48,701 INFO L158 Benchmark]: Boogie Preprocessor took 71.05ms. Allocated memory is still 153.1MB. Free memory was 99.6MB in the beginning and 92.8MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 14:21:48,701 INFO L158 Benchmark]: RCFGBuilder took 705.94ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 92.8MB in the beginning and 159.9MB in the end (delta: -67.1MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-10-15 14:21:48,701 INFO L158 Benchmark]: TraceAbstraction took 3303.99ms. Allocated memory was 220.2MB in the beginning and 278.9MB in the end (delta: 58.7MB). Free memory was 159.9MB in the beginning and 208.0MB in the end (delta: -48.1MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. [2024-10-15 14:21:48,702 INFO L158 Benchmark]: Witness Printer took 55.08ms. Allocated memory is still 278.9MB. Free memory was 208.0MB in the beginning and 204.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 14:21:48,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 153.1MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.10ms. Allocated memory is still 153.1MB. Free memory was 121.5MB in the beginning and 101.2MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.19ms. Allocated memory is still 153.1MB. Free memory was 101.2MB in the beginning and 99.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.05ms. Allocated memory is still 153.1MB. Free memory was 99.6MB in the beginning and 92.8MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 705.94ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 92.8MB in the beginning and 159.9MB in the end (delta: -67.1MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3303.99ms. Allocated memory was 220.2MB in the beginning and 278.9MB in the end (delta: 58.7MB). Free memory was 159.9MB in the beginning and 208.0MB in the end (delta: -48.1MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. * Witness Printer took 55.08ms. Allocated memory is still 278.9MB. Free memory was 208.0MB in the beginning and 204.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_130 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable Id_MCDC_131 * 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: 489]: 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, 123 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 500 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 487 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 728 IncrementalHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 11 mSDtfsCounter, 728 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 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: 234]: Location Invariant Derived location invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: (\old(Id_MCDC_132) == Id_MCDC_132) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 305]: Procedure Contract for Id_MCDC_113 Derived contract for procedure Id_MCDC_113. Ensures: (((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_132 == \old(Id_MCDC_132))) - ProcedureContractResult [Line: 356]: Procedure Contract for Id_MCDC_115 Derived contract for procedure Id_MCDC_115. Ensures: (((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_132 == \old(Id_MCDC_132))) - ProcedureContractResult [Line: 325]: Procedure Contract for Id_MCDC_114 Derived contract for procedure Id_MCDC_114. Ensures: (((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_132 == \old(Id_MCDC_132))) - ProcedureContractResult [Line: 274]: Procedure Contract for Id_MCDC_110 Derived contract for procedure Id_MCDC_110. Ensures: (((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_132 == \old(Id_MCDC_132))) - ProcedureContractResult [Line: 452]: Procedure Contract for main Derived contract for procedure main. Ensures: ((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero. Ensures: (((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_132 == \old(Id_MCDC_132))) - ProcedureContractResult [Line: 485]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (Id_MCDC_121 == 1) Ensures: ((Id_MCDC_121 == 1) && (((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_132 == \old(Id_MCDC_132)))) - ProcedureContractResult [Line: 425]: Procedure Contract for Id_MCDC_117 Derived contract for procedure Id_MCDC_117. Ensures: ((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) - ProcedureContractResult [Line: 445]: Procedure Contract for Id_MCDC_118 Derived contract for procedure Id_MCDC_118. Ensures: ((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) - ProcedureContractResult [Line: 218]: Procedure Contract for Id_MCDC_107 Derived contract for procedure Id_MCDC_107. Ensures: (((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_132 == \old(Id_MCDC_132))) RESULT: Ultimate proved your program to be correct! [2024-10-15 14:21:48,727 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE