./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/mine2017-ex4.8.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.8.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-lit/mine2017-ex4.8.i ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.8.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:47:18,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:18,899 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:47:18,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:18,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:18,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:18,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:18,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:18,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:18,921 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:18,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:18,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:18,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:18,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:18,923 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:18,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:18,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:18,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:18,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:47:18,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:18,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:18,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:18,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:18,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:18,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:18,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:18,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:18,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:18,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:18,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:18,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:18,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:18,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:18,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:18,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:18,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:18,932 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:47:18,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:47:18,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:18,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:18,933 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:18,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:18,933 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/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:19,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:19,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:19,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:19,119 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:19,119 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:19,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.8.yml/witness-2.1.yml [2024-09-11 20:47:19,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:19,160 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:19,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.8.i [2024-09-11 20:47:20,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:20,690 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:20,690 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.8.i [2024-09-11 20:47:20,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3a0396f69/6103f0f63da1433692216bcc67f8c696/FLAG45029bc23 [2024-09-11 20:47:20,716 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3a0396f69/6103f0f63da1433692216bcc67f8c696 [2024-09-11 20:47:20,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:20,718 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:20,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:20,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:20,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:20,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:19" (1/2) ... [2024-09-11 20:47:20,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2548dc29 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:19" (1/2) ... [2024-09-11 20:47:20,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c06ff25 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:20" (2/2) ... [2024-09-11 20:47:20,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2548dc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:20" (2/2) ... [2024-09-11 20:47:20,735 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:20,737 INFO L1541 ArrayList]: Location invariant before [L17-L22] (0 < ((long long) v + 1)) [2024-09-11 20:47:20,737 INFO L1541 ArrayList]: Loop invariant at [L17-L22] ((v <= 1) && (0 <= v)) [2024-09-11 20:47:20,737 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:47:20,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:20,883 WARN L247 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-lit/mine2017-ex4.8.i[812,825] [2024-09-11 20:47:20,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:20,904 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:47:20,937 WARN L247 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-lit/mine2017-ex4.8.i[812,825] Start Parsing Local Start Parsing Local [2024-09-11 20:47:20,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:20,964 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:20,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20 WrapperNode [2024-09-11 20:47:20,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:20,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:20,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:20,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:20,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,981 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,987 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:47:20,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:20,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:20,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:20,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:20,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:21,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:21,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:21,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:47:21,046 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:47:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:47:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:47:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-11 20:47:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:47:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:47:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:47:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:21,164 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:21,166 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:21,235 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:47:21,261 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:21,261 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:21,283 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:21,283 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:47:21,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:21 BoogieIcfgContainer [2024-09-11 20:47:21,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:21,284 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:21,285 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:21,285 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:21,285 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:19" (1/4) ... [2024-09-11 20:47:21,286 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e699469 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:21, skipping insertion in model container [2024-09-11 20:47:21,286 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:20" (2/4) ... [2024-09-11 20:47:21,286 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e699469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:21, skipping insertion in model container [2024-09-11 20:47:21,286 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (3/4) ... [2024-09-11 20:47:21,286 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e699469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:21, skipping insertion in model container [2024-09-11 20:47:21,287 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:21" (4/4) ... [2024-09-11 20:47:21,287 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.8.i [2024-09-11 20:47:21,290 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:47:21,291 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:47:21,291 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:47:21,292 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:21,292 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:47:21,292 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:21,292 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:21,292 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:21,292 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:47:21,318 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:47:21,319 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,319 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,320 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,321 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,334 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:47:21,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,335 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,335 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,336 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,336 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,346 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:21,353 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:47:21,353 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,353 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,353 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,354 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,355 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:47:21,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,355 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,355 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,355 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,355 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,359 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:21,365 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:21,365 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,365 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,366 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,366 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,368 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:21,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,368 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,368 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,368 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,369 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,370 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:21,376 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:47:21,376 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,376 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,376 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,376 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,389 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:47:21,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,390 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,390 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,390 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,394 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,395 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:21,400 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:21,400 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,400 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,401 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,401 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,403 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:21,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,403 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,403 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,403 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,404 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,405 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:47:21,410 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:21,410 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,410 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,410 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,410 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,411 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:21,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,411 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,411 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,412 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,412 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,413 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:21,417 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:21,418 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,418 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,418 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,418 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,422 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:21,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,423 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,423 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,423 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,423 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,425 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:21,427 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:21,428 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e699469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:21, skipping insertion in model container [2024-09-11 20:47:21,428 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:21,429 INFO L158 Benchmark]: Toolchain (without parser) took 710.76ms. Allocated memory is still 188.7MB. Free memory was 121.6MB in the beginning and 133.4MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:21,429 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:21,429 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:21,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.41ms. Allocated memory is still 188.7MB. Free memory was 121.3MB in the beginning and 108.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:21,430 INFO L158 Benchmark]: Boogie Preprocessor took 29.19ms. Allocated memory is still 188.7MB. Free memory was 108.3MB in the beginning and 106.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:21,431 INFO L158 Benchmark]: RCFGBuilder took 288.53ms. Allocated memory is still 188.7MB. Free memory was 106.4MB in the beginning and 150.2MB in the end (delta: -43.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:21,431 INFO L158 Benchmark]: Referee took 143.30ms. Allocated memory is still 188.7MB. Free memory was 150.2MB in the beginning and 133.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:47:21,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 17. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.41ms. Allocated memory is still 188.7MB. Free memory was 121.3MB in the beginning and 108.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.19ms. Allocated memory is still 188.7MB. Free memory was 108.3MB in the beginning and 106.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.53ms. Allocated memory is still 188.7MB. Free memory was 106.4MB in the beginning and 150.2MB in the end (delta: -43.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Referee took 143.30ms. Allocated memory is still 188.7MB. Free memory was 150.2MB in the beginning and 133.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:21,454 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-lit/mine2017-ex4.8.i ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.8.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:47:23,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:23,561 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:47:23,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:23,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:23,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:23,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:23,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:23,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:23,588 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:23,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:23,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:23,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:23,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:23,589 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:23,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:23,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:23,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:23,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:23,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:23,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:23,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:23,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:23,592 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:47:23,592 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:47:23,592 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:23,592 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:47:23,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:23,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:23,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:23,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:23,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:23,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:23,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:23,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:23,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:23,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:23,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:23,595 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:47:23,596 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:47:23,596 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:23,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:23,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:23,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:23,597 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:47:23,597 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/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:23,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:23,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:23,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:23,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:23,839 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:23,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.8.i [2024-09-11 20:47:25,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:25,436 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:25,437 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.8.i [2024-09-11 20:47:25,457 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/61f59cd33/99a30b38bdc74d5ab5688da1f0b304db/FLAG1c3cdf759 [2024-09-11 20:47:25,467 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/61f59cd33/99a30b38bdc74d5ab5688da1f0b304db [2024-09-11 20:47:25,469 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:25,470 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:25,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.8.yml/witness-2.1.yml [2024-09-11 20:47:25,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:25,510 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:25,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:25,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:25,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:25,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:25" (1/2) ... [2024-09-11 20:47:25,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5937018a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:25, skipping insertion in model container [2024-09-11 20:47:25,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:25" (1/2) ... [2024-09-11 20:47:25,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42de7723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:25, skipping insertion in model container [2024-09-11 20:47:25,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:25" (2/2) ... [2024-09-11 20:47:25,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5937018a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25, skipping insertion in model container [2024-09-11 20:47:25,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:25" (2/2) ... [2024-09-11 20:47:25,524 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:25,526 INFO L1541 ArrayList]: Location invariant before [L17-L22] (0 < ((long long) v + 1)) [2024-09-11 20:47:25,526 INFO L1541 ArrayList]: Loop invariant at [L17-L22] ((v <= 1) && (0 <= v)) [2024-09-11 20:47:25,526 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:47:25,539 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:25,663 WARN L247 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-lit/mine2017-ex4.8.i[812,825] [2024-09-11 20:47:25,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:25,692 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:47:25,721 WARN L247 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-lit/mine2017-ex4.8.i[812,825] Start Parsing Local Start Parsing Local [2024-09-11 20:47:25,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:25,743 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:25,744 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25 WrapperNode [2024-09-11 20:47:25,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:25,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:25,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:25,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:25,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25" (1/1) ... [2024-09-11 20:47:25,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25" (1/1) ... [2024-09-11 20:47:25,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25" (1/1) ... [2024-09-11 20:47:25,769 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:47:25,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25" (1/1) ... [2024-09-11 20:47:25,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25" (1/1) ... [2024-09-11 20:47:25,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25" (1/1) ... [2024-09-11 20:47:25,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25" (1/1) ... [2024-09-11 20:47:25,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25" (1/1) ... [2024-09-11 20:47:25,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25" (1/1) ... [2024-09-11 20:47:25,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:25,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:25,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:25,785 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:25,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25" (1/1) ... [2024-09-11 20:47:25,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:25,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:25,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:47:25,812 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:47:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:47:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:47:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-11 20:47:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:47:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:47:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:47:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:25,918 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:25,921 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:26,014 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:47:26,046 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:26,046 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:26,076 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:26,077 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:47:26,078 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:26 BoogieIcfgContainer [2024-09-11 20:47:26,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:26,079 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:26,079 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:26,079 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:26,079 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:25" (1/4) ... [2024-09-11 20:47:26,080 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3301799b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:26, skipping insertion in model container [2024-09-11 20:47:26,081 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:25" (2/4) ... [2024-09-11 20:47:26,081 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3301799b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:26, skipping insertion in model container [2024-09-11 20:47:26,081 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25" (3/4) ... [2024-09-11 20:47:26,081 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3301799b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:26, skipping insertion in model container [2024-09-11 20:47:26,081 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:26" (4/4) ... [2024-09-11 20:47:26,082 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.8.i [2024-09-11 20:47:26,085 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:47:26,086 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:47:26,086 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:47:26,089 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:26,089 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:47:26,089 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:26,089 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:26,089 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:26,090 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:47:26,114 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:47:26,115 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,116 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,116 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,117 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,140 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:47:26,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,154 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:26,163 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:47:26,163 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,163 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,163 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,164 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,165 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:47:26,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,165 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,165 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,165 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,165 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,175 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:26,186 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:26,188 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,188 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,188 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,188 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,192 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:26,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,193 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,193 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,193 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,193 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,194 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:26,204 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:47:26,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,204 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,204 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,204 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,218 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:47:26,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,218 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,218 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,219 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,223 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,224 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:26,230 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:26,231 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,231 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,231 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,231 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,231 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,238 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:26,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,240 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,240 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,240 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,241 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,249 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:47:26,259 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:26,259 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,259 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,259 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,259 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,265 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:26,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,265 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,265 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,265 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,265 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,267 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:26,276 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:26,276 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,276 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,276 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,277 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,288 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:26,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,288 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,289 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,289 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,289 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,290 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:26,293 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:26,293 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3301799b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:26, skipping insertion in model container [2024-09-11 20:47:26,294 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:26,295 INFO L158 Benchmark]: Toolchain (without parser) took 784.40ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 46.4MB in the end (delta: 22.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-09-11 20:47:26,296 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:26,297 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 92.3MB. Free memory was 71.2MB in the beginning and 70.9MB in the end (delta: 291.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:26,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.86ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 55.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:26,298 INFO L158 Benchmark]: Boogie Preprocessor took 38.30ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 53.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:26,299 INFO L158 Benchmark]: RCFGBuilder took 293.40ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 66.9MB in the end (delta: -13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:26,299 INFO L158 Benchmark]: Referee took 215.09ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 46.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-11 20:47:26,303 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 17. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 92.3MB. Free memory was 71.2MB in the beginning and 70.9MB in the end (delta: 291.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.86ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 55.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.30ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 53.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.40ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 66.9MB in the end (delta: -13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 215.09ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 46.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:26,328 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/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: UNKNOWN