./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 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/nla-digbench-scaling/lcm2_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.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-04d6fb3-m [2024-09-15 20:07:54,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:07:54,287 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:07:54,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:07:54,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:07:54,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:07:54,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:07:54,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:07:54,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:07:54,328 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:07:54,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:07:54,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:07:54,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:07:54,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:07:54,332 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:07:54,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:07:54,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:07:54,333 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:07:54,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:07:54,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:07:54,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:07:54,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:07:54,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:07:54,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:07:54,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:07:54,340 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:07:54,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:07:54,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:07:54,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:07:54,341 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:07:54,341 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:07:54,341 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:07:54,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:07:54,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:54,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:07:54,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:07:54,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:07:54,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:07:54,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:07:54,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:07:54,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:07:54,345 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:07:54,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:07:54,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:07:54,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:07:54,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:07:54,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:07:54,627 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:07:54,628 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:07:54,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-15 20:07:54,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:07:54,686 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:07:54,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-15 20:07:56,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:07:56,338 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:07:56,339 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-15 20:07:56,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e2122c092/93bebb2ff81944f1a31e9e395e0da0c3/FLAG6ccd71d79 [2024-09-15 20:07:56,723 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e2122c092/93bebb2ff81944f1a31e9e395e0da0c3 [2024-09-15 20:07:56,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:07:56,725 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:07:56,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:56,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:07:56,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:07:56,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:54" (1/2) ... [2024-09-15 20:07:56,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374b6425 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:56, skipping insertion in model container [2024-09-15 20:07:56,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:54" (1/2) ... [2024-09-15 20:07:56,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b4bafe0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:56, skipping insertion in model container [2024-09-15 20:07:56,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:56" (2/2) ... [2024-09-15 20:07:56,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374b6425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:56, skipping insertion in model container [2024-09-15 20:07:56,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:56" (2/2) ... [2024-09-15 20:07:56,749 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:07:56,750 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-15 20:07:56,750 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-15 20:07:56,750 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:07:56,750 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:07:56,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:07:56,897 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/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] [2024-09-15 20:07:56,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:56,926 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:07:56,974 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/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-15 20:07:56,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:57,012 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:07:57,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:57 WrapperNode [2024-09-15 20:07:57,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:57,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:07:57,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:07:57,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:07:57,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:57" (1/1) ... [2024-09-15 20:07:57,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:57" (1/1) ... [2024-09-15 20:07:57,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:57" (1/1) ... [2024-09-15 20:07:57,072 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:07:57,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:57" (1/1) ... [2024-09-15 20:07:57,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:57" (1/1) ... [2024-09-15 20:07:57,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:57" (1/1) ... [2024-09-15 20:07:57,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:57" (1/1) ... [2024-09-15 20:07:57,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:57" (1/1) ... [2024-09-15 20:07:57,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:57" (1/1) ... [2024-09-15 20:07:57,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:07:57,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:07:57,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:07:57,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:07:57,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:57" (1/1) ... [2024-09-15 20:07:57,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:57,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:07:57,110 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) [2024-09-15 20:07:57,112 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 [2024-09-15 20:07:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:07:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:07:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:07:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:07:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:07:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:07:57,150 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:07:57,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:07:57,150 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:07:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:07:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:07:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:07:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:07:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:07:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:07:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:07:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:07:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:07:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:07:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:07:57,207 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:07:57,211 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:07:57,229 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:57,252 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:57,428 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:57,450 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:07:57,484 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:07:57,485 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:07:57,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:57 BoogieIcfgContainer [2024-09-15 20:07:57,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:07:57,488 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:07:57,488 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:07:57,488 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:07:57,489 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:54" (1/4) ... [2024-09-15 20:07:57,489 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f409cc4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:57, skipping insertion in model container [2024-09-15 20:07:57,489 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:07:56" (2/4) ... [2024-09-15 20:07:57,489 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f409cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:57, skipping insertion in model container [2024-09-15 20:07:57,489 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:57" (3/4) ... [2024-09-15 20:07:57,490 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f409cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:57, skipping insertion in model container [2024-09-15 20:07:57,490 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:57" (4/4) ... [2024-09-15 20:07:57,491 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-15 20:07:57,496 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:07:57,496 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:57,496 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:57,496 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:57,497 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-15 20:07:57,497 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:57,497 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:07:57,497 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:07:57,497 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:57,497 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:57,497 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:57,497 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:57,498 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:07:57,498 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-15 20:07:57,498 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location [2024-09-15 20:07:57,550 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:07:57,551 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:57,551 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:57,553 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:57,554 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:57,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:57,566 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:07:57,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:57,567 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:57,568 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:57,568 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:57,571 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:57,593 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:57,628 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:57,628 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:57,629 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:57,629 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:57,629 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:57,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:57,632 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:57,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:57,635 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:57,635 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:57,635 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:57,636 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:57,637 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:57,663 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:57,665 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:57,665 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:57,666 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:57,666 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:57,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:57,682 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:57,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:57,683 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:57,683 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:57,683 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:57,683 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:01,687 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:01,703 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:08:01,703 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:01,704 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:01,704 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:01,704 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:01,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:01,705 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:08:01,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:01,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:01,705 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:01,705 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:01,705 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:01,708 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:01,722 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:01,722 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:01,722 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:01,723 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:01,723 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:01,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:01,724 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:01,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:01,724 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:01,725 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:01,725 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:01,725 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:01,728 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:01,741 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:08:01,741 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:01,741 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:01,742 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:01,742 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:01,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:01,770 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-15 20:08:01,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:01,771 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:01,771 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:01,771 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:01,772 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:01,773 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:01,789 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-15 20:08:01,789 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:01,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:01,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:01,790 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:01,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:01,815 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-15 20:08:01,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:01,816 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:01,817 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:01,817 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:01,825 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:05,833 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:05,862 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:05,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:05,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:05,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:05,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:05,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:05,866 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:05,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:05,866 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:05,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:05,867 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:05,867 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:05,872 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:05,886 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:05,887 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:05,887 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:05,887 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:05,888 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:05,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:05,891 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:05,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:05,892 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:05,892 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:05,892 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:05,893 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:05,896 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:05,909 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:05,909 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:05,910 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:05,910 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:05,910 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:05,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:05,912 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:05,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:05,912 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:05,912 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:05,912 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:05,913 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:05,914 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:05,927 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:08:05,928 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:05,928 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:05,928 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:05,929 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:05,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:05,931 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:08:05,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:05,931 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:05,931 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:05,931 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:05,931 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:05,934 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:05,947 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-15 20:08:05,948 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:05,948 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:05,949 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:05,949 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:05,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:05,955 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-15 20:08:05,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:05,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:05,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:05,955 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:05,956 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:05,959 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:05,974 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-15 20:08:05,974 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:05,974 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:05,975 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:05,975 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:05,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:06,012 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-15 20:08:06,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:06,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:06,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:06,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:06,021 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:10,029 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:10,035 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:10,036 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f409cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:10, skipping insertion in model container [2024-09-15 20:08:10,036 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:10,038 INFO L158 Benchmark]: Toolchain (without parser) took 13312.57ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 76.9MB in the beginning and 121.3MB in the end (delta: -44.4MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-09-15 20:08:10,039 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:10,039 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:10,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.46ms. Allocated memory is still 134.2MB. Free memory was 76.9MB in the beginning and 105.5MB in the end (delta: -28.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:10,040 INFO L158 Benchmark]: Boogie Preprocessor took 53.56ms. Allocated memory is still 134.2MB. Free memory was 105.5MB in the beginning and 103.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:10,042 INFO L158 Benchmark]: RCFGBuilder took 403.27ms. Allocated memory is still 134.2MB. Free memory was 103.5MB in the beginning and 86.0MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-15 20:08:10,043 INFO L158 Benchmark]: Referee took 12548.86ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 86.0MB in the beginning and 121.3MB in the end (delta: -35.3MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-09-15 20:08:10,047 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 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. 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 0.20ms. Allocated memory is still 134.2MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.46ms. Allocated memory is still 134.2MB. Free memory was 76.9MB in the beginning and 105.5MB in the end (delta: -28.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.56ms. Allocated memory is still 134.2MB. Free memory was 105.5MB in the beginning and 103.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 403.27ms. Allocated memory is still 134.2MB. Free memory was 103.5MB in the beginning and 86.0MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12548.86ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 86.0MB in the beginning and 121.3MB in the end (delta: -35.3MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:10,076 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/nla-digbench-scaling/lcm2_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.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-04d6fb3-m [2024-09-15 20:08:12,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:08:12,336 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:08:12,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:08:12,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:08:12,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:08:12,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:08:12,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:08:12,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:08:12,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:08:12,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:08:12,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:08:12,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:08:12,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:08:12,379 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:08:12,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:08:12,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:08:12,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:08:12,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:08:12,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:08:12,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:08:12,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:08:12,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:08:12,384 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:08:12,385 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:08:12,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:08:12,385 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:08:12,386 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:08:12,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:08:12,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:08:12,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:08:12,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:08:12,387 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:08:12,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:08:12,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:08:12,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:12,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:08:12,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:08:12,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:08:12,392 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:08:12,392 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:08:12,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:08:12,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:08:12,394 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:08:12,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:08:12,394 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:08:12,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:08:12,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:08:12,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:08:12,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:08:12,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:08:12,752 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:08:12,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-15 20:08:14,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:08:14,551 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:08:14,553 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-15 20:08:14,559 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fce8b9a5d/288680f924804f1cb26197e2d4759cb7/FLAGe0265d3fb [2024-09-15 20:08:14,570 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fce8b9a5d/288680f924804f1cb26197e2d4759cb7 [2024-09-15 20:08:14,572 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:08:14,573 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:08:14,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-15 20:08:14,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:08:14,632 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:08:14,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:14,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:08:14,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:08:14,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:14" (1/2) ... [2024-09-15 20:08:14,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e640ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:14, skipping insertion in model container [2024-09-15 20:08:14,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:14" (1/2) ... [2024-09-15 20:08:14,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ede57c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:14, skipping insertion in model container [2024-09-15 20:08:14,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:14" (2/2) ... [2024-09-15 20:08:14,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e640ea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:14, skipping insertion in model container [2024-09-15 20:08:14,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:14" (2/2) ... [2024-09-15 20:08:14,659 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:08:14,661 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-15 20:08:14,661 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-15 20:08:14,661 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:08:14,661 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:08:14,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:08:14,842 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/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] [2024-09-15 20:08:14,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:14,888 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:08:14,959 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/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-15 20:08:14,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:15,047 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:08:15,050 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:15 WrapperNode [2024-09-15 20:08:15,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:15,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:08:15,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:08:15,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:08:15,070 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 15.09 08:08:15" (1/1) ... [2024-09-15 20:08:15,071 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 15.09 08:08:15" (1/1) ... [2024-09-15 20:08:15,080 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 15.09 08:08:15" (1/1) ... [2024-09-15 20:08:15,092 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:08:15,096 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 15.09 08:08:15" (1/1) ... [2024-09-15 20:08:15,096 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 15.09 08:08:15" (1/1) ... [2024-09-15 20:08:15,105 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 15.09 08:08:15" (1/1) ... [2024-09-15 20:08:15,112 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 15.09 08:08:15" (1/1) ... [2024-09-15 20:08:15,115 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 15.09 08:08:15" (1/1) ... [2024-09-15 20:08:15,120 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 15.09 08:08:15" (1/1) ... [2024-09-15 20:08:15,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:08:15,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:08:15,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:08:15,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:08:15,125 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 15.09 08:08:15" (1/1) ... [2024-09-15 20:08:15,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:15,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:08:15,157 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) [2024-09-15 20:08:15,161 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 [2024-09-15 20:08:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:08:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:08:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:08:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:08:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:08:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:08:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:08:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:08:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:08:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:08:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:08:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:08:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:08:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:08:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:08:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:08:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:08:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:08:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:08:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:08:15,302 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:08:15,305 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:08:15,331 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:15,365 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:15,827 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:15,849 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:08:15,889 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:08:15,889 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:08:15,890 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:15 BoogieIcfgContainer [2024-09-15 20:08:15,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:08:15,891 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:08:15,891 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:08:15,892 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:08:15,892 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:08:14" (1/4) ... [2024-09-15 20:08:15,892 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44ceace1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:08:15, skipping insertion in model container [2024-09-15 20:08:15,892 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:14" (2/4) ... [2024-09-15 20:08:15,893 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44ceace1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:15, skipping insertion in model container [2024-09-15 20:08:15,893 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 15.09 08:08:15" (3/4) ... [2024-09-15 20:08:15,893 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44ceace1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:15, skipping insertion in model container [2024-09-15 20:08:15,893 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:15" (4/4) ... [2024-09-15 20:08:15,894 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-15 20:08:15,898 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:08:15,899 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:15,899 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:15,900 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:15,900 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-15 20:08:15,900 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:15,900 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:08:15,900 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:08:15,901 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:15,901 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:08:15,901 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:15,901 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:08:15,901 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:08:15,901 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-15 20:08:15,902 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-15 20:08:15,962 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:08:15,963 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:15,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:15,964 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:15,965 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:15,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:15,976 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:08:15,977 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:15,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:15,981 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:15,981 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:15,984 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:16,000 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:16,039 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:08:16,041 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:16,042 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:16,042 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:16,042 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:16,042 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:16,046 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:08:16,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:16,049 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:16,049 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:16,049 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:16,049 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:16,051 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:16,082 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:08:16,083 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:16,084 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:16,084 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:16,084 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:16,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:16,100 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:08:16,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:16,101 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:16,101 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:16,101 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:16,105 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:20,152 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:20,179 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:08:20,179 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:20,179 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:20,179 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:20,180 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:20,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:20,181 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:08:20,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:20,181 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:20,181 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:20,181 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:20,181 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:20,183 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:20,197 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:20,197 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:20,197 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:20,198 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:20,198 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:20,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:20,199 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:20,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:20,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:20,200 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:20,200 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:20,200 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:20,205 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:20,223 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:08:20,224 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:20,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:20,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:20,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:20,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:20,259 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-15 20:08:20,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:20,260 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:20,261 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:20,261 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:20,262 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:20,263 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:20,278 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-15 20:08:20,278 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:20,279 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:20,279 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:20,279 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:20,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:20,306 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-15 20:08:20,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:20,307 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:20,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:20,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:20,310 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:24,358 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:24,384 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:24,384 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:24,384 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:24,384 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:24,384 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:24,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,385 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:24,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,386 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:24,386 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:24,386 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:24,386 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:24,391 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:24,403 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:24,404 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:24,404 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:24,404 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:24,405 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:24,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,407 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:24,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:24,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:24,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:24,409 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:24,411 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:24,422 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:24,422 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:24,422 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:24,422 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:24,422 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:24,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,424 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:24,424 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,424 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:24,424 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:24,424 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:24,424 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:24,426 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:24,437 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:08:24,437 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:24,437 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:24,438 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:24,438 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:24,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,440 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:08:24,441 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,442 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:24,442 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:24,442 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:24,442 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:24,444 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:24,456 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-15 20:08:24,456 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:24,456 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:24,457 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:24,457 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:24,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,462 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-15 20:08:24,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,463 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:24,463 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:24,464 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:24,464 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:24,488 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:24,505 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-15 20:08:24,506 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:24,506 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:24,506 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:24,507 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:24,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,532 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-15 20:08:24,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,533 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:24,533 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:24,533 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:24,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:28,644 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:28,672 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:28,672 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44ceace1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:28, skipping insertion in model container [2024-09-15 20:08:28,672 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:28,674 INFO L158 Benchmark]: Toolchain (without parser) took 14041.11ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.1MB in the beginning and 27.9MB in the end (delta: 8.3MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-09-15 20:08:28,674 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:28,675 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 38.2MB in the beginning and 38.1MB in the end (delta: 174.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:28,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.95ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.0MB in the beginning and 59.8MB in the end (delta: -23.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:28,676 INFO L158 Benchmark]: Boogie Preprocessor took 71.29ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 57.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:28,676 INFO L158 Benchmark]: RCFGBuilder took 766.21ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 41.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:08:28,677 INFO L158 Benchmark]: Referee took 12781.74ms. Allocated memory is still 81.8MB. Free memory was 41.3MB in the beginning and 27.9MB in the end (delta: 13.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-09-15 20:08:28,681 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 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. 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 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 38.2MB in the beginning and 38.1MB in the end (delta: 174.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.95ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.0MB in the beginning and 59.8MB in the end (delta: -23.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.29ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 57.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 766.21ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 41.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12781.74ms. Allocated memory is still 81.8MB. Free memory was 41.3MB in the beginning and 27.9MB in the end (delta: 13.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:28,731 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: UNKNOWN