./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 1d5fa637 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-1d5fa63-m [2024-09-13 10:07:58,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:58,925 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:58,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:58,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:58,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:58,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:58,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:58,948 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:58,949 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:58,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:58,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:58,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:58,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:58,950 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:58,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:58,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:58,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:58,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:58,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:58,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:58,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:58,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:58,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:58,952 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:58,952 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:58,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:58,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:58,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:58,953 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:58,953 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:58,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:58,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:58,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:58,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:58,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:58,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:58,957 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:58,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:58,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:58,957 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:58,958 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:58,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:58,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:59,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:59,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:59,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:59,158 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:59,159 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:59,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-13 10:08:00,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:00,495 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:00,496 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-13 10:08:00,501 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c937a3784/8c7d3ba24d5e40d993883ffecbe1fcec/FLAG9a18b07ea [2024-09-13 10:08:00,513 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c937a3784/8c7d3ba24d5e40d993883ffecbe1fcec [2024-09-13 10:08:00,514 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:00,517 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:00,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.yml/witness-2.1.yml [2024-09-13 10:08:00,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:00,555 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:00,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:00,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:00,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:00,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:00" (1/2) ... [2024-09-13 10:08:00,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31fa2a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:00, skipping insertion in model container [2024-09-13 10:08:00,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:00" (1/2) ... [2024-09-13 10:08:00,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f211164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:00, skipping insertion in model container [2024-09-13 10:08:00,563 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 10:08:00" (2/2) ... [2024-09-13 10:08:00,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31fa2a07 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:00, skipping insertion in model container [2024-09-13 10:08:00,563 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 10:08:00" (2/2) ... [2024-09-13 10:08:00,567 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:00,568 INFO L1541 ArrayList]: Loop invariant at [L18-L31] ((x < (((4294967296 * (x / 4294967296)) + 1) + ((((-4294967296 * (x / 4294967296)) + x) / 3) * 3))) || (y == 1)) [2024-09-13 10:08:00,568 INFO L1541 ArrayList]: Function contract at [L8]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:08:00,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:00,684 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 10:08:00,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:00,703 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:08:00,730 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 10:08:00,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:00,758 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:00,759 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:00 WrapperNode [2024-09-13 10:08:00,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:00,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:00,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:00,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:00,770 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 10:08:00" (1/1) ... [2024-09-13 10:08:00,770 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 10:08:00" (1/1) ... [2024-09-13 10:08:00,776 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 10:08:00" (1/1) ... [2024-09-13 10:08:00,786 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 10:08:00,786 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 10:08:00" (1/1) ... [2024-09-13 10:08:00,786 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 10:08:00" (1/1) ... [2024-09-13 10:08:00,790 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 10:08:00" (1/1) ... [2024-09-13 10:08:00,796 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 10:08:00" (1/1) ... [2024-09-13 10:08:00,797 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 10:08:00" (1/1) ... [2024-09-13 10:08:00,802 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 10:08:00" (1/1) ... [2024-09-13 10:08:00,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:00,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:00,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:00,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:00,805 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 10:08:00" (1/1) ... [2024-09-13 10:08:00,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:00,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:00,836 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 10:08:00,838 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 10:08:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:00,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:00,875 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:08:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:08:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:08:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:08:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:08:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:00,928 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:00,930 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:01,068 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:01,076 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:01,099 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:01,100 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:08:01,100 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:01 BoogieIcfgContainer [2024-09-13 10:08:01,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:01,101 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:01,101 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:01,101 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:01,102 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:00" (1/4) ... [2024-09-13 10:08:01,102 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6cb3ec17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:01, skipping insertion in model container [2024-09-13 10:08:01,102 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 10:08:00" (2/4) ... [2024-09-13 10:08:01,104 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6cb3ec17 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:01, skipping insertion in model container [2024-09-13 10:08:01,104 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 10:08:00" (3/4) ... [2024-09-13 10:08:01,104 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6cb3ec17 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:01, skipping insertion in model container [2024-09-13 10:08:01,105 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 10:08:01" (4/4) ... [2024-09-13 10:08:01,105 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c [2024-09-13 10:08:01,108 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:08:01,109 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 10:08:01,109 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 10:08:01,109 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 10:08:01,109 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 10:08:01,109 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 10:08:01,110 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 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 error location [2024-09-13 10:08:01,154 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-13 10:08:01,154 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:01,155 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:01,155 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:01,156 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:01,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:01,174 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-13 10:08:01,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:01,177 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:01,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:01,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:01,184 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:01,247 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:01,259 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:08:01,260 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:01,260 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:01,260 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:01,260 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:01,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:01,263 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:08:01,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:01,264 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:01,264 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:01,264 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:01,264 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:01,272 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:01,289 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-09-13 10:08:01,289 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:01,289 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:01,290 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:01,290 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:01,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:01,346 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-13 10:08:01,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:01,346 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:01,346 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:01,346 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:01,358 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:05,364 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:08:05,376 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:05,377 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:05,377 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:05,377 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:05,377 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:05,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:05,379 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:05,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:05,379 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:05,379 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:05,379 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:05,380 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:05,381 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:05,386 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:05,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:05,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:05,387 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:05,387 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:05,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:05,388 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:05,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:05,388 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:05,388 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:05,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:05,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:05,390 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:05,392 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:08:05,393 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6cb3ec17 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:05, skipping insertion in model container [2024-09-13 10:08:05,393 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:05,394 INFO L158 Benchmark]: Toolchain (without parser) took 4838.95ms. Allocated memory is still 186.6MB. Free memory was 114.8MB in the beginning and 131.6MB in the end (delta: -16.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:05,394 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:05,395 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 186.6MB. Free memory was 116.9MB in the beginning and 116.7MB in the end (delta: 286.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:05,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.44ms. Allocated memory is still 186.6MB. Free memory was 114.8MB in the beginning and 101.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:05,396 INFO L158 Benchmark]: Boogie Preprocessor took 43.51ms. Allocated memory is still 186.6MB. Free memory was 101.3MB in the beginning and 99.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:05,396 INFO L158 Benchmark]: RCFGBuilder took 296.66ms. Allocated memory is still 186.6MB. Free memory was 99.5MB in the beginning and 83.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:08:05,396 INFO L158 Benchmark]: Referee took 4291.95ms. Allocated memory is still 186.6MB. Free memory was 83.7MB in the beginning and 131.6MB in the end (delta: -47.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:05,398 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 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 186.6MB. Free memory was 116.9MB in the beginning and 116.7MB in the end (delta: 286.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.44ms. Allocated memory is still 186.6MB. Free memory was 114.8MB in the beginning and 101.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.51ms. Allocated memory is still 186.6MB. Free memory was 101.3MB in the beginning and 99.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 296.66ms. Allocated memory is still 186.6MB. Free memory was 99.5MB in the beginning and 83.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4291.95ms. Allocated memory is still 186.6MB. Free memory was 83.7MB in the beginning and 131.6MB in the end (delta: -47.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:05,423 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-1d5fa63-m [2024-09-13 10:08:07,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:07,201 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:08:07,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:07,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:07,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:07,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:07,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:07,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:07,236 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:07,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:07,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:07,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:07,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:07,237 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:07,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:07,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:07,238 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:07,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:07,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:07,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:07,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:07,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:07,241 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:08:07,241 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:08:07,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:07,242 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:08:07,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:07,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:07,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:07,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:07,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:07,243 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:07,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:07,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:07,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:07,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:07,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:07,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:07,244 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:08:07,244 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:08:07,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:07,246 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:07,246 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:07,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:07,247 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:08:07,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:07,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:07,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:07,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:07,521 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:07,522 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:07,524 INFO L431 ainManager$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 10:08:07,561 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:07,561 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:07,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-13 10:08:08,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:09,082 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:09,082 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-13 10:08:09,088 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f0a59e2b7/9924857fcfa24f8685cc6c1ccbafcdfd/FLAG48c316082 [2024-09-13 10:08:09,496 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f0a59e2b7/9924857fcfa24f8685cc6c1ccbafcdfd [2024-09-13 10:08:09,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:09,498 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:09,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:09,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:09,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:09,503 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 10:08:07" (1/2) ... [2024-09-13 10:08:09,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554a76ed and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:09, skipping insertion in model container [2024-09-13 10:08:09,503 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 10:08:07" (1/2) ... [2024-09-13 10:08:09,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@632ad3a9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:09, skipping insertion in model container [2024-09-13 10:08:09,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:09" (2/2) ... [2024-09-13 10:08:09,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554a76ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09, skipping insertion in model container [2024-09-13 10:08:09,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:09" (2/2) ... [2024-09-13 10:08:09,514 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:09,515 INFO L1541 ArrayList]: Loop invariant at [L18-L31] ((x < (((4294967296 * (x / 4294967296)) + 1) + ((((-4294967296 * (x / 4294967296)) + x) / 3) * 3))) || (y == 1)) [2024-09-13 10:08:09,517 INFO L1541 ArrayList]: Function contract at [L8]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:08:09,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:09,645 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 10:08:09,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:09,672 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:08:09,712 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 10:08:09,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:09,738 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:09,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09 WrapperNode [2024-09-13 10:08:09,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:09,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:09,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:09,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:09,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09" (1/1) ... [2024-09-13 10:08:09,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09" (1/1) ... [2024-09-13 10:08:09,756 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09" (1/1) ... [2024-09-13 10:08:09,763 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 10:08:09,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09" (1/1) ... [2024-09-13 10:08:09,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09" (1/1) ... [2024-09-13 10:08:09,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09" (1/1) ... [2024-09-13 10:08:09,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09" (1/1) ... [2024-09-13 10:08:09,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09" (1/1) ... [2024-09-13 10:08:09,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09" (1/1) ... [2024-09-13 10:08:09,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:09,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:09,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:09,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:09,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09" (1/1) ... [2024-09-13 10:08:09,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:09,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:09,814 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 10:08:09,818 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 10:08:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:08:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:08:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:08:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:08:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:08:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:09,934 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:09,936 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:10,100 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:10,112 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:10,136 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:10,136 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:08:10,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:10 BoogieIcfgContainer [2024-09-13 10:08:10,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:10,137 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:10,137 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:10,138 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:10,138 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 10:08:07" (1/4) ... [2024-09-13 10:08:10,139 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@77ae37eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:10, skipping insertion in model container [2024-09-13 10:08:10,139 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:09" (2/4) ... [2024-09-13 10:08:10,139 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@77ae37eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:10, skipping insertion in model container [2024-09-13 10:08:10,139 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:09" (3/4) ... [2024-09-13 10:08:10,139 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@77ae37eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:10, skipping insertion in model container [2024-09-13 10:08:10,140 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:10" (4/4) ... [2024-09-13 10:08:10,141 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c [2024-09-13 10:08:10,143 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:08:10,144 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 10:08:10,144 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 10:08:10,144 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 10:08:10,144 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 10:08:10,144 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 10:08:10,145 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-13 10:08:10,176 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-13 10:08:10,177 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:10,177 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:10,177 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:10,180 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:10,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:10,196 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-13 10:08:10,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:10,197 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:10,198 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:10,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:10,203 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:10,312 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:10,332 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:08:10,333 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:10,333 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:10,333 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:10,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:10,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:10,334 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:08:10,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:10,335 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:10,335 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:10,335 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:10,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:10,338 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:10,352 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-09-13 10:08:10,352 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:10,352 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:10,352 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:10,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:10,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:10,381 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-13 10:08:10,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:10,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:10,382 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:10,382 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:10,393 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:12,682 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:12,696 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:12,697 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:12,697 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:12,697 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:12,697 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:12,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:12,700 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:12,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:12,700 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:12,700 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:12,700 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:12,701 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:12,702 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:12,710 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:12,711 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:12,711 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:12,711 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:12,711 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:12,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:12,713 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:12,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:12,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:12,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:12,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:12,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:12,714 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:12,718 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:08:12,718 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@77ae37eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:12, skipping insertion in model container [2024-09-13 10:08:12,720 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:12,721 INFO L158 Benchmark]: Toolchain (without parser) took 3223.20ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 37.6MB in the beginning and 48.1MB in the end (delta: -10.5MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-09-13 10:08:12,722 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:12,722 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 62.9MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:12,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.45ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 37.5MB in the beginning and 66.6MB in the end (delta: -29.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-09-13 10:08:12,723 INFO L158 Benchmark]: Boogie Preprocessor took 43.98ms. Allocated memory is still 88.1MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:12,724 INFO L158 Benchmark]: RCFGBuilder took 352.92ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 50.3MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:12,724 INFO L158 Benchmark]: Referee took 2582.75ms. Allocated memory is still 88.1MB. Free memory was 50.3MB in the beginning and 48.1MB in the end (delta: 2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:12,726 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 check that procedure precondition always holds at line 33. 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 main to loop head at line 18. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 62.9MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.45ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 37.5MB in the beginning and 66.6MB in the end (delta: -29.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.98ms. Allocated memory is still 88.1MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.92ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 50.3MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 2582.75ms. Allocated memory is still 88.1MB. Free memory was 50.3MB in the beginning and 48.1MB in the end (delta: 2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:12,753 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