./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/mod3.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 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-industry-pattern/mod3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.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-5189fb6-m [2024-09-13 05:03:58,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:03:58,723 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:03:58,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:03:58,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:03:58,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:03:58,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:03:58,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:03:58,749 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:03:58,750 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:03:58,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:03:58,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:03:58,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:03:58,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:03:58,752 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:03:58,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:03:58,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:03:58,754 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:03:58,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:03:58,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:03:58,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:03:58,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:03:58,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:03:58,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:03:58,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:03:58,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:03:58,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:03:58,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:03:58,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:03:58,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:03:58,757 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:03:58,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:03:58,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:03:58,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:58,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:03:58,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:03:58,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:03:58,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:03:58,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:03:58,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:03:58,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:03:58,761 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:03:58,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:03:58,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:03:58,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:03:58,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:03:58,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:03:58,945 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:03:58,946 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:03:58,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.yml/witness-2.1.yml [2024-09-13 05:03:59,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:03:59,008 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:03:59,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-13 05:04:00,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:04:00,277 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:04:00,278 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-13 05:04:00,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f0853a24c/2f6ca2c74f2b4c409593a61ceee6ca40/FLAG0cd23f997 [2024-09-13 05:04:00,707 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f0853a24c/2f6ca2c74f2b4c409593a61ceee6ca40 [2024-09-13 05:04:00,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:04:00,708 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:04:00,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:00,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:04:00,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:04:00,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:59" (1/2) ... [2024-09-13 05:04:00,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3213b3d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00, skipping insertion in model container [2024-09-13 05:04:00,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:59" (1/2) ... [2024-09-13 05:04:00,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56d19db2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00, skipping insertion in model container [2024-09-13 05:04:00,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:00" (2/2) ... [2024-09-13 05:04:00,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3213b3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00, skipping insertion in model container [2024-09-13 05:04:00,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:00" (2/2) ... [2024-09-13 05:04:00,721 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:04:00,721 INFO L1541 ArrayList]: Loop invariant at [L18-L31] ((x < (((4294967296 * (x / 4294967296)) + 1) + ((((-4294967296 * (x / 4294967296)) + x) / 3) * 3))) || (y == 1)) [2024-09-13 05:04:00,722 INFO L1541 ArrayList]: Function contract at [L8]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:04:00,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:04:00,854 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-industry-pattern/mod3.c[394,407] [2024-09-13 05:04:00,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:00,871 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:04:00,901 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-industry-pattern/mod3.c[394,407] Start Parsing Local [2024-09-13 05:04:00,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:00,921 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:04:00,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00 WrapperNode [2024-09-13 05:04:00,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:00,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:04:00,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:04:00,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:04:00,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,937 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,944 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 [2024-09-13 05:04:00,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:04:00,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:04:00,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:04:00,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:04:00,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:04:00,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:04:00,986 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) [2024-09-13 05:04:00,994 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 [2024-09-13 05:04:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:04:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:04:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:04:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:04:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:04:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:04:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:04:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:04:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:04:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:04:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:04:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:04:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:04:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:04:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:04:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:04:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:04:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:04:01,081 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:04:01,083 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:04:01,243 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:04:01,253 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:04:01,280 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:04:01,280 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:04:01,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:01 BoogieIcfgContainer [2024-09-13 05:04:01,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:04:01,281 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:04:01,281 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:04:01,282 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:04:01,283 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:59" (1/4) ... [2024-09-13 05:04:01,283 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@386df0c1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:04:01, skipping insertion in model container [2024-09-13 05:04:01,283 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:04:00" (2/4) ... [2024-09-13 05:04:01,284 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@386df0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:04:01, skipping insertion in model container [2024-09-13 05:04:01,284 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00" (3/4) ... [2024-09-13 05:04:01,284 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@386df0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:04:01, skipping insertion in model container [2024-09-13 05:04:01,285 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:01" (4/4) ... [2024-09-13 05:04:01,286 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c [2024-09-13 05:04:01,289 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:04:01,289 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 05:04:01,289 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:04:01,290 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:04:01,290 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:04:01,290 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:04:01,290 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location [2024-09-13 05:04:01,333 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-13 05:04:01,335 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:01,336 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:01,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:01,338 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:01,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:01,366 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-13 05:04:01,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:01,367 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:01,367 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:01,368 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:01,374 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:01,388 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:04:01,402 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:04:01,402 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:01,403 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:01,403 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:01,403 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:01,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:01,409 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:04:01,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:01,409 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:01,409 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:01,409 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:01,409 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:01,419 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:04:01,434 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-09-13 05:04:01,435 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:01,435 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:01,435 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:01,435 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:01,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:01,485 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-13 05:04:01,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:01,485 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:01,485 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:01,486 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:01,497 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:05,504 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:04:05,519 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:04:05,523 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:05,523 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:05,523 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:05,523 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:05,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:05,526 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:04:05,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:05,527 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:05,527 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:05,528 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:05,528 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:05,530 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:04:05,541 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:04:05,542 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:05,542 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:05,542 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:05,542 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:05,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:05,544 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:04:05,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:05,544 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:05,544 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:05,545 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:05,545 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:05,547 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:04:05,550 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:04:05,550 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@386df0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:04:05, skipping insertion in model container [2024-09-13 05:04:05,550 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:04:05,552 INFO L158 Benchmark]: Toolchain (without parser) took 4842.43ms. Allocated memory was 176.2MB in the beginning and 239.1MB in the end (delta: 62.9MB). Free memory was 100.4MB in the beginning and 151.7MB in the end (delta: -51.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-09-13 05:04:05,553 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:05,553 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:05,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.57ms. Allocated memory was 176.2MB in the beginning and 239.1MB in the end (delta: 62.9MB). Free memory was 100.2MB in the beginning and 204.2MB in the end (delta: -103.9MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-09-13 05:04:05,555 INFO L158 Benchmark]: Boogie Preprocessor took 35.62ms. Allocated memory is still 239.1MB. Free memory was 204.2MB in the beginning and 202.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:04:05,555 INFO L158 Benchmark]: RCFGBuilder took 321.76ms. Allocated memory is still 239.1MB. Free memory was 202.1MB in the beginning and 185.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:04:05,556 INFO L158 Benchmark]: Referee took 4269.36ms. Allocated memory is still 239.1MB. Free memory was 185.3MB in the beginning and 151.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-13 05:04:05,559 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. 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 10. 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 loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 33. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.57ms. Allocated memory was 176.2MB in the beginning and 239.1MB in the end (delta: 62.9MB). Free memory was 100.2MB in the beginning and 204.2MB in the end (delta: -103.9MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.62ms. Allocated memory is still 239.1MB. Free memory was 204.2MB in the beginning and 202.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.76ms. Allocated memory is still 239.1MB. Free memory was 202.1MB in the beginning and 185.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4269.36ms. Allocated memory is still 239.1MB. Free memory was 185.3MB in the beginning and 151.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:04:05,580 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 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-industry-pattern/mod3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.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-5189fb6-m [2024-09-13 05:04:07,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:04:07,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:04:07,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:04:07,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:04:07,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:04:07,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:04:07,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:04:07,354 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:04:07,357 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:04:07,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:04:07,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:04:07,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:04:07,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:04:07,358 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:04:07,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:04:07,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:04:07,359 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:04:07,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:04:07,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:04:07,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:04:07,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:04:07,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:04:07,363 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:04:07,363 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:04:07,363 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:04:07,363 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:04:07,363 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:04:07,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:04:07,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:04:07,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:04:07,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:04:07,364 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:04:07,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:04:07,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:04:07,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:04:07,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:04:07,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:04:07,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:04:07,365 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:04:07,365 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:04:07,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:04:07,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:04:07,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:04:07,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:04:07,367 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:04:07,367 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:04:07,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:04:07,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:04:07,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:04:07,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:04:07,629 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:04:07,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-13 05:04:08,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:04:08,985 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:04:08,986 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-13 05:04:08,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b293f3d8a/307794e227d54c1697297a9be28d5b61/FLAGdc5a7601b [2024-09-13 05:04:09,000 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b293f3d8a/307794e227d54c1697297a9be28d5b61 [2024-09-13 05:04:09,002 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:04:09,002 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:04:09,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.yml/witness-2.1.yml [2024-09-13 05:04:09,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:04:09,040 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:04:09,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:09,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:04:09,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:04:09,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:09" (1/2) ... [2024-09-13 05:04:09,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d31cc3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:09, skipping insertion in model container [2024-09-13 05:04:09,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:09" (1/2) ... [2024-09-13 05:04:09,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50da918b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:09, skipping insertion in model container [2024-09-13 05:04:09,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:09" (2/2) ... [2024-09-13 05:04:09,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d31cc3e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:09, skipping insertion in model container [2024-09-13 05:04:09,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:09" (2/2) ... [2024-09-13 05:04:09,053 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:04:09,053 INFO L1541 ArrayList]: Loop invariant at [L18-L31] ((x < (((4294967296 * (x / 4294967296)) + 1) + ((((-4294967296 * (x / 4294967296)) + x) / 3) * 3))) || (y == 1)) [2024-09-13 05:04:09,053 INFO L1541 ArrayList]: Function contract at [L8]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:04:09,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:04:09,184 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-industry-pattern/mod3.c[394,407] [2024-09-13 05:04:09,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:09,212 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:04:09,255 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-industry-pattern/mod3.c[394,407] Start Parsing Local [2024-09-13 05:04:09,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:09,283 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:04:09,284 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:09 WrapperNode [2024-09-13 05:04:09,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:09,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:04:09,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:04:09,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:04:09,294 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 13.09 05:04:09" (1/1) ... [2024-09-13 05:04:09,294 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 13.09 05:04:09" (1/1) ... [2024-09-13 05:04:09,299 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 13.09 05:04:09" (1/1) ... [2024-09-13 05:04:09,310 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 [2024-09-13 05:04:09,310 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 13.09 05:04:09" (1/1) ... [2024-09-13 05:04:09,311 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 13.09 05:04:09" (1/1) ... [2024-09-13 05:04:09,319 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 13.09 05:04:09" (1/1) ... [2024-09-13 05:04:09,322 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 13.09 05:04:09" (1/1) ... [2024-09-13 05:04:09,323 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 13.09 05:04:09" (1/1) ... [2024-09-13 05:04:09,326 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 13.09 05:04:09" (1/1) ... [2024-09-13 05:04:09,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:04:09,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:04:09,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:04:09,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:04:09,330 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 13.09 05:04:09" (1/1) ... [2024-09-13 05:04:09,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:04:09,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:04:09,354 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) [2024-09-13 05:04:09,356 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 [2024-09-13 05:04:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:04:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:04:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:04:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:04:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:04:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:04:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:04:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:04:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:04:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:04:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:04:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:04:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:04:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:04:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:04:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:04:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:04:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:04:09,445 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:04:09,446 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:04:09,584 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:04:09,592 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:04:09,625 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:04:09,627 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:04:09,627 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:09 BoogieIcfgContainer [2024-09-13 05:04:09,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:04:09,628 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:04:09,628 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:04:09,628 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:04:09,629 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:04:09" (1/4) ... [2024-09-13 05:04:09,629 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a158543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:04:09, skipping insertion in model container [2024-09-13 05:04:09,629 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:09" (2/4) ... [2024-09-13 05:04:09,629 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a158543 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:04:09, skipping insertion in model container [2024-09-13 05:04:09,630 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 13.09 05:04:09" (3/4) ... [2024-09-13 05:04:09,631 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a158543 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:04:09, skipping insertion in model container [2024-09-13 05:04:09,631 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:09" (4/4) ... [2024-09-13 05:04:09,631 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c [2024-09-13 05:04:09,634 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:04:09,634 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 05:04:09,634 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:04:09,635 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:04:09,635 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:04:09,635 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:04:09,635 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:04:09,680 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-13 05:04:09,681 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:09,682 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:09,682 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:09,684 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:09,686 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:09,702 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-13 05:04:09,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:09,703 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:09,703 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:09,703 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:09,707 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:09,809 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:04:09,819 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:04:09,819 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:09,820 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:09,820 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:09,820 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:09,820 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:09,821 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:04:09,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:09,821 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:09,822 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:09,822 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:09,822 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:09,829 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:04:09,840 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-09-13 05:04:09,841 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:09,841 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:09,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:09,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:09,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:09,875 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-13 05:04:09,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:09,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:09,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:09,876 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:09,886 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:12,113 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:04:12,125 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:04:12,125 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:12,125 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:12,125 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:12,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:12,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:12,131 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:04:12,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:12,131 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:12,131 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:12,131 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:12,131 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:12,140 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:04:12,147 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:04:12,147 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:12,147 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:12,148 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:12,148 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:12,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:12,149 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:04:12,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:12,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:12,149 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:12,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:12,149 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:12,151 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:04:12,153 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:04:12,153 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a158543 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:04:12, skipping insertion in model container [2024-09-13 05:04:12,154 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:04:12,155 INFO L158 Benchmark]: Toolchain (without parser) took 3114.68ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 42.3MB in the beginning and 67.4MB in the end (delta: -25.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-09-13 05:04:12,155 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 50.3MB. Free memory was 31.0MB in the beginning and 30.9MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:12,156 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 44.1MB in the end (delta: 216.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:04:12,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.90ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 48.3MB in the end (delta: -6.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-13 05:04:12,156 INFO L158 Benchmark]: Boogie Preprocessor took 42.99ms. Allocated memory is still 71.3MB. Free memory was 48.3MB in the beginning and 45.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:04:12,157 INFO L158 Benchmark]: RCFGBuilder took 299.28ms. Allocated memory is still 71.3MB. Free memory was 45.9MB in the beginning and 32.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:04:12,157 INFO L158 Benchmark]: Referee took 2525.85ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 32.1MB in the beginning and 67.4MB in the end (delta: -35.3MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-09-13 05:04:12,159 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 18 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 33. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 10. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 18. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 50.3MB. Free memory was 31.0MB in the beginning and 30.9MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 44.1MB in the end (delta: 216.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.90ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 48.3MB in the end (delta: -6.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.99ms. Allocated memory is still 71.3MB. Free memory was 48.3MB in the beginning and 45.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.28ms. Allocated memory is still 71.3MB. Free memory was 45.9MB in the beginning and 32.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 2525.85ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 32.1MB in the beginning and 67.4MB in the end (delta: -35.3MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:04:12,183 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: TRUE