./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 ca4ee3dd 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-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:09:28,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:09:28,975 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:09:28,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:09:28,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:09:28,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:09:29,000 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:09:29,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:09:29,001 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:09:29,002 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:09:29,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:09:29,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:09:29,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:09:29,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:09:29,004 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:09:29,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:09:29,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:09:29,007 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:09:29,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:09:29,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:09:29,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:09:29,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:09:29,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:09:29,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:09:29,009 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:09:29,009 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:09:29,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:09:29,009 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:09:29,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:09:29,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:09:29,010 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:09:29,011 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:09:29,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:09:29,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:29,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:09:29,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:09:29,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:09:29,012 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:09:29,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:09:29,012 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:09:29,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:09:29,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:09:29,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:09:29,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:09:29,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:09:29,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:09:29,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:09:29,216 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:09:29,217 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:09:29,218 INFO L431 ainManager$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 [2024-09-20 20:09:29,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:09:29,266 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:09:29,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-20 20:09:30,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:09:30,635 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:09:30,636 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-20 20:09:30,641 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2a6e91493/a9a422f61b2d4f8d9f2fda29aacce666/FLAGd158cc66d [2024-09-20 20:09:30,650 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2a6e91493/a9a422f61b2d4f8d9f2fda29aacce666 [2024-09-20 20:09:30,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:09:30,651 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:09:30,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:30,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:09:30,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:09:30,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:29" (1/2) ... [2024-09-20 20:09:30,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4066b9ac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:30, skipping insertion in model container [2024-09-20 20:09:30,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:29" (1/2) ... [2024-09-20 20:09:30,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@778efafd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:30, skipping insertion in model container [2024-09-20 20:09:30,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:30" (2/2) ... [2024-09-20 20:09:30,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4066b9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30, skipping insertion in model container [2024-09-20 20:09:30,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:30" (2/2) ... [2024-09-20 20:09:30,664 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:09:30,664 INFO L1541 ArrayList]: Loop invariant at [L18-L31] ((y == 1) || ((x % 3) < 1)) [2024-09-20 20:09:30,665 INFO L1541 ArrayList]: Function contract at [L8]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:09:30,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:09:30,803 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c[394,407] [2024-09-20 20:09:30,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:30,826 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:09:30,854 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c[394,407] Start Parsing Local [2024-09-20 20:09:30,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:30,868 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:09:30,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30 WrapperNode [2024-09-20 20:09:30,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:30,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:09:30,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:09:30,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:09:30,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30" (1/1) ... [2024-09-20 20:09:30,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30" (1/1) ... [2024-09-20 20:09:30,884 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30" (1/1) ... [2024-09-20 20:09:30,890 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 [2024-09-20 20:09:30,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30" (1/1) ... [2024-09-20 20:09:30,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30" (1/1) ... [2024-09-20 20:09:30,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30" (1/1) ... [2024-09-20 20:09:30,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30" (1/1) ... [2024-09-20 20:09:30,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30" (1/1) ... [2024-09-20 20:09:30,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30" (1/1) ... [2024-09-20 20:09:30,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:09:30,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:09:30,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:09:30,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:09:30,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30" (1/1) ... [2024-09-20 20:09:30,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:30,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:09:30,927 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) [2024-09-20 20:09:30,929 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 [2024-09-20 20:09:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:09:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:09:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:09:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:09:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:09:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:09:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:09:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:09:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:09:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:09:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:09:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:09:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:09:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:09:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:09:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:09:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:09:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:09:31,023 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:09:31,026 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:09:31,128 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:09:31,140 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:09:31,173 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:09:31,174 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:09:31,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:31 BoogieIcfgContainer [2024-09-20 20:09:31,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:09:31,176 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:09:31,177 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:09:31,178 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:09:31,178 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:29" (1/4) ... [2024-09-20 20:09:31,178 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@209abf0f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:31, skipping insertion in model container [2024-09-20 20:09:31,179 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:09:30" (2/4) ... [2024-09-20 20:09:31,180 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@209abf0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:31, skipping insertion in model container [2024-09-20 20:09:31,180 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:30" (3/4) ... [2024-09-20 20:09:31,180 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@209abf0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:31, skipping insertion in model container [2024-09-20 20:09:31,180 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:31" (4/4) ... [2024-09-20 20:09:31,181 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c [2024-09-20 20:09:31,184 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:09:31,185 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 20:09:31,186 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 20:09:31,186 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:09:31,186 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:09:31,186 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:09:31,186 INFO L131 InvariantChecker]: Will check 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, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:09:31,238 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 20:09:31,241 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:31,242 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:31,242 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:31,243 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:31,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:31,266 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-20 20:09:31,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:31,268 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:31,268 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:31,269 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:31,274 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:31,290 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:31,305 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:09:31,305 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:31,305 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:31,305 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:31,305 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:31,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:31,309 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:09:31,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:31,309 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:31,309 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:31,309 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:31,309 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:31,314 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:31,323 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-09-20 20:09:31,324 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:31,324 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:31,324 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:31,324 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:31,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:31,351 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-20 20:09:31,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:31,352 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:31,352 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:31,352 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:31,360 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:35,366 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:09:35,383 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:09:35,383 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:35,383 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:35,383 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:35,384 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:35,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,388 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:09:35,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,389 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:35,389 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:35,389 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:35,390 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:35,396 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:09:35,401 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:35,401 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:35,401 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:35,402 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:35,402 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:35,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,403 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:35,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,403 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:35,403 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:35,403 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:35,404 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:35,405 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:09:35,408 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:09:35,409 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@209abf0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:09:35, skipping insertion in model container [2024-09-20 20:09:35,409 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:09:35,410 INFO L158 Benchmark]: Toolchain (without parser) took 4758.52ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 63.5MB in the beginning and 123.3MB in the end (delta: -59.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:35,411 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 134.2MB. Free memory was 88.0MB in the beginning and 87.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:35,411 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 134.2MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:35,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.17ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 63.4MB in the beginning and 161.1MB in the end (delta: -97.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,413 INFO L158 Benchmark]: Boogie Preprocessor took 27.56ms. Allocated memory is still 190.8MB. Free memory was 161.1MB in the beginning and 159.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,414 INFO L158 Benchmark]: RCFGBuilder took 277.98ms. Allocated memory is still 190.8MB. Free memory was 159.0MB in the beginning and 145.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,415 INFO L158 Benchmark]: Referee took 4232.70ms. Allocated memory is still 190.8MB. Free memory was 145.3MB in the beginning and 123.3MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,417 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 134.2MB. Free memory was 88.0MB in the beginning and 87.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 134.2MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.17ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 63.4MB in the beginning and 161.1MB in the end (delta: -97.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.56ms. Allocated memory is still 190.8MB. Free memory was 161.1MB in the beginning and 159.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.98ms. Allocated memory is still 190.8MB. Free memory was 159.0MB in the beginning and 145.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4232.70ms. Allocated memory is still 190.8MB. Free memory was 145.3MB in the beginning and 123.3MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:09:35,448 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-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:09:37,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:09:37,202 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:09:37,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:09:37,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:09:37,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:09:37,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:09:37,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:09:37,225 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:09:37,225 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:09:37,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:09:37,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:09:37,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:09:37,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:09:37,227 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:09:37,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:09:37,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:09:37,230 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:09:37,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:09:37,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:09:37,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:09:37,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:09:37,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:09:37,234 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:09:37,234 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:09:37,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:09:37,235 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:09:37,235 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:09:37,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:09:37,236 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:09:37,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:09:37,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:09:37,237 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:09:37,237 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:09:37,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:09:37,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:37,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:09:37,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:09:37,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:09:37,238 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:09:37,239 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:09:37,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:09:37,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:09:37,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:09:37,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:09:37,239 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:09:37,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:09:37,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:09:37,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:09:37,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:09:37,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:09:37,520 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:09:37,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-20 20:09:38,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:09:38,941 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:09:38,942 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-20 20:09:38,952 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e53092e51/b2469b0e213f430b8d0cffff8876849c/FLAG21dea41e8 [2024-09-20 20:09:38,968 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e53092e51/b2469b0e213f430b8d0cffff8876849c [2024-09-20 20:09:38,972 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:09:38,973 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:09:38,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.yml/witness-2.1.yml [2024-09-20 20:09:39,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:09:39,016 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:09:39,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:39,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:09:39,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:09:39,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:38" (1/2) ... [2024-09-20 20:09:39,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e99e27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:39, skipping insertion in model container [2024-09-20 20:09:39,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:38" (1/2) ... [2024-09-20 20:09:39,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@240aa277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:39, skipping insertion in model container [2024-09-20 20:09:39,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:39" (2/2) ... [2024-09-20 20:09:39,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e99e27c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:39, skipping insertion in model container [2024-09-20 20:09:39,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:39" (2/2) ... [2024-09-20 20:09:39,032 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:09:39,032 INFO L1541 ArrayList]: Loop invariant at [L18-L31] ((y == 1) || ((x % 3) < 1)) [2024-09-20 20:09:39,032 INFO L1541 ArrayList]: Function contract at [L8]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:09:39,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:09:39,166 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c[394,407] [2024-09-20 20:09:39,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:39,191 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:09:39,223 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c[394,407] Start Parsing Local [2024-09-20 20:09:39,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:39,254 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:09:39,254 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:39 WrapperNode [2024-09-20 20:09:39,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:39,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:09:39,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:09:39,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:09:39,279 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 20.09 08:09:39" (1/1) ... [2024-09-20 20:09:39,286 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 20.09 08:09:39" (1/1) ... [2024-09-20 20:09:39,292 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 20.09 08:09:39" (1/1) ... [2024-09-20 20:09:39,298 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 [2024-09-20 20:09:39,299 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 20.09 08:09:39" (1/1) ... [2024-09-20 20:09:39,300 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 20.09 08:09:39" (1/1) ... [2024-09-20 20:09:39,306 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 20.09 08:09:39" (1/1) ... [2024-09-20 20:09:39,311 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 20.09 08:09:39" (1/1) ... [2024-09-20 20:09:39,312 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 20.09 08:09:39" (1/1) ... [2024-09-20 20:09:39,313 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 20.09 08:09:39" (1/1) ... [2024-09-20 20:09:39,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:09:39,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:09:39,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:09:39,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:09:39,318 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 20.09 08:09:39" (1/1) ... [2024-09-20 20:09:39,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:39,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:09:39,349 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) [2024-09-20 20:09:39,354 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 [2024-09-20 20:09:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:09:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:09:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:09:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:09:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:09:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:09:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:09:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:09:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:09:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:09:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:09:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:09:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:09:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:09:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:09:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:09:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:09:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:09:39,443 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:09:39,445 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:09:39,582 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:09:39,594 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:09:39,627 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:09:39,628 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:09:39,629 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:39 BoogieIcfgContainer [2024-09-20 20:09:39,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:09:39,630 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:09:39,630 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:09:39,630 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:09:39,630 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:09:38" (1/4) ... [2024-09-20 20:09:39,631 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e2d981a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:39, skipping insertion in model container [2024-09-20 20:09:39,632 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:39" (2/4) ... [2024-09-20 20:09:39,632 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e2d981a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:39, skipping insertion in model container [2024-09-20 20:09:39,632 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 20.09 08:09:39" (3/4) ... [2024-09-20 20:09:39,633 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e2d981a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:39, skipping insertion in model container [2024-09-20 20:09:39,633 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:39" (4/4) ... [2024-09-20 20:09:39,633 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c [2024-09-20 20:09:39,636 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:09:39,637 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 20:09:39,637 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 20:09:39,637 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:09:39,638 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:09:39,638 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:09:39,638 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:09:39,679 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 20:09:39,680 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:39,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:39,681 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:39,682 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:39,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:39,694 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-20 20:09:39,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:39,695 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:39,695 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:39,696 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:39,700 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:39,722 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:39,738 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:09:39,739 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:39,739 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:39,740 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:39,740 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:39,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:39,741 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:09:39,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:39,741 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:39,741 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:39,741 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:39,742 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:39,746 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:39,762 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-09-20 20:09:39,763 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:39,763 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:39,766 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:39,766 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:39,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:39,787 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-20 20:09:39,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:39,787 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:39,788 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:39,788 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:39,791 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:40,836 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:40,845 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:09:40,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:40,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:40,846 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:40,846 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:40,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:40,849 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:09:40,850 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:40,850 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:40,850 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:40,850 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:40,851 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:40,854 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:09:40,861 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:40,861 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:40,861 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:40,861 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:40,861 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:40,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:40,863 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:40,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:40,863 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:40,863 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:40,863 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:40,863 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:40,867 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:09:40,870 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:09:40,870 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e2d981a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:09:40, skipping insertion in model container [2024-09-20 20:09:40,870 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:09:40,872 INFO L158 Benchmark]: Toolchain (without parser) took 1855.55ms. Allocated memory was 65.0MB in the beginning and 117.4MB in the end (delta: 52.4MB). Free memory was 40.0MB in the beginning and 61.1MB in the end (delta: -21.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-09-20 20:09:40,873 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 41.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:40,873 INFO L158 Benchmark]: Witness Parser took 0.58ms. Allocated memory is still 65.0MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:40,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.71ms. Allocated memory was 65.0MB in the beginning and 117.4MB in the end (delta: 52.4MB). Free memory was 39.9MB in the beginning and 96.2MB in the end (delta: -56.3MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-09-20 20:09:40,874 INFO L158 Benchmark]: Boogie Preprocessor took 59.79ms. Allocated memory is still 117.4MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:09:40,875 INFO L158 Benchmark]: RCFGBuilder took 313.26ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 81.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:09:40,875 INFO L158 Benchmark]: Referee took 1241.09ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 61.1MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-20 20:09:40,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure 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. 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 41.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.58ms. Allocated memory is still 65.0MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.71ms. Allocated memory was 65.0MB in the beginning and 117.4MB in the end (delta: 52.4MB). Free memory was 39.9MB in the beginning and 96.2MB in the end (delta: -56.3MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.79ms. Allocated memory is still 117.4MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 313.26ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 81.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 1241.09ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 61.1MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:09:40,899 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE