./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.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-6908dde-m [2024-09-25 00:29:44,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:44,416 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:44,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:44,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:44,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:44,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:44,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:44,460 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:44,461 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:44,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:44,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:44,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:44,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:44,465 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:44,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:44,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:44,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:44,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:44,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:44,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:44,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:44,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:44,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:44,469 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:44,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:44,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:44,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:44,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:44,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:44,470 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:44,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:44,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:44,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:44,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:44,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:44,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:44,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:44,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:44,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:44,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:44,473 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:44,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:44,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:44,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:44,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:44,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:44,760 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:44,761 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:44,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml [2024-09-25 00:29:44,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:44,878 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:44,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-25 00:29:46,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:46,568 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:46,569 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-25 00:29:46,576 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/470a8ac23/7ff9d021aa0441809d803e86aef757f4/FLAG6c21f4dd9 [2024-09-25 00:29:46,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/470a8ac23/7ff9d021aa0441809d803e86aef757f4 [2024-09-25 00:29:46,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:46,593 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:46,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:46,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:46,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:46,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:44" (1/2) ... [2024-09-25 00:29:46,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f32a96 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:44" (1/2) ... [2024-09-25 00:29:46,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@780dbf70 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:46" (2/2) ... [2024-09-25 00:29:46,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f32a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:46" (2/2) ... [2024-09-25 00:29:46,624 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:46,625 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)) [2024-09-25 00:29:46,625 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:29:46,625 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:29:46,625 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:29:46,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:46,820 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_unwindbound2.c[537,550] [2024-09-25 00:29:46,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:46,862 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:46,911 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_unwindbound2.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 00:29:46,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:46,951 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:46,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46 WrapperNode [2024-09-25 00:29:46,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:46,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:46,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:46,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:46,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,978 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,989 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 [2024-09-25 00:29:46,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:47,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:47,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:47,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:47,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:47,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:47,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:47,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:47,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:47,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:47,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:47,061 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) [2024-09-25 00:29:47,065 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 [2024-09-25 00:29:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:29:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:29:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:29:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:47,208 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:47,213 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:47,239 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:47,272 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:47,526 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:47,545 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:47,572 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:47,573 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:29:47,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:47 BoogieIcfgContainer [2024-09-25 00:29:47,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:47,574 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:47,574 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:47,575 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:47,576 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:44" (1/4) ... [2024-09-25 00:29:47,576 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2af73755 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:47, skipping insertion in model container [2024-09-25 00:29:47,576 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:46" (2/4) ... [2024-09-25 00:29:47,576 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2af73755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:47, skipping insertion in model container [2024-09-25 00:29:47,576 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (3/4) ... [2024-09-25 00:29:47,577 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2af73755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:47, skipping insertion in model container [2024-09-25 00:29:47,577 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:47" (4/4) ... [2024-09-25 00:29:47,578 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound2.c [2024-09-25 00:29:47,583 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:29:47,584 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:47,584 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:47,584 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:47,584 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:29:47,585 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:47,585 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:29:47,585 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:29:47,585 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:47,586 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:47,586 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:47,586 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:47,586 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:47,586 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:29:47,587 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location [2024-09-25 00:29:47,637 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:47,638 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:47,639 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:47,640 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:47,641 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:47,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:47,657 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:47,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:47,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:47,659 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:47,659 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:47,664 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:47,684 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:47,714 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:47,715 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:47,715 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:47,715 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:47,716 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:47,716 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:47,718 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:47,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:47,719 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:47,719 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:47,719 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:47,719 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:47,721 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:47,742 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:47,744 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:47,744 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:47,744 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:47,745 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:47,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:47,773 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:47,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:47,776 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:47,777 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:47,777 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:47,777 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:51,781 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:51,800 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:29:51,801 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:51,801 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:51,801 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:51,801 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:51,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,802 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:29:51,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:51,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:51,803 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:51,803 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:51,812 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:51,828 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:51,828 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:51,828 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:51,828 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:51,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:51,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,831 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:51,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,832 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:51,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:51,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:51,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:51,836 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:51,854 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:29:51,854 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:51,854 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:51,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:51,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:51,855 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,936 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:29:51,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,936 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:51,936 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:51,936 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:51,937 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:51,943 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:51,958 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:29:51,959 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:51,959 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:51,959 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:51,959 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:51,960 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,982 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:29:51,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,983 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:51,983 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:51,983 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:51,988 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,996 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:56,013 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:56,013 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:56,014 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:56,014 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:56,017 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:56,017 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,018 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:56,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,018 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:56,018 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:56,018 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:56,018 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:56,021 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:56,033 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:56,033 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:56,033 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:56,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:56,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:56,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,036 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:56,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,037 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:56,037 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:56,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:56,039 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:56,040 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:56,051 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:56,051 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:56,051 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:56,051 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:56,052 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:56,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,053 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:56,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:56,053 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:56,054 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:56,054 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:56,055 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:56,065 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:56,065 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:56,065 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:56,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:56,065 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:56,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,067 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:56,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:56,068 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:56,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:56,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:56,069 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:56,078 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:29:56,078 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:56,078 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:56,079 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:56,079 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:56,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,083 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:29:56,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,083 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:56,084 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:56,084 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:56,084 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:56,086 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:56,096 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:29:56,096 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:56,096 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:56,097 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:56,097 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:56,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,122 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:29:56,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:56,123 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:56,123 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:56,123 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:56,130 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:00,135 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:00,142 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:00,143 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2af73755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:00, skipping insertion in model container [2024-09-25 00:30:00,143 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:00,144 INFO L158 Benchmark]: Toolchain (without parser) took 13550.31ms. Allocated memory is still 174.1MB. Free memory was 142.1MB in the beginning and 100.3MB in the end (delta: 41.8MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2024-09-25 00:30:00,145 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:00,145 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:00,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.58ms. Allocated memory is still 174.1MB. Free memory was 145.1MB in the beginning and 131.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:00,146 INFO L158 Benchmark]: Boogie Preprocessor took 66.20ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 129.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:00,147 INFO L158 Benchmark]: RCFGBuilder took 554.61ms. Allocated memory is still 174.1MB. Free memory was 129.7MB in the beginning and 111.6MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-25 00:30:00,148 INFO L158 Benchmark]: Referee took 12568.63ms. Allocated memory is still 174.1MB. Free memory was 111.6MB in the beginning and 100.3MB in the end (delta: 11.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-25 00:30:00,150 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 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 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 loop head 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 assume_abort_if_not to exit of procedure assume_abort_if_not. 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 __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 25. 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 exit of procedure __VERIFIER_assert. 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: * Witness Parser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.58ms. Allocated memory is still 174.1MB. Free memory was 145.1MB in the beginning and 131.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.20ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 129.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.61ms. Allocated memory is still 174.1MB. Free memory was 129.7MB in the beginning and 111.6MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12568.63ms. Allocated memory is still 174.1MB. Free memory was 111.6MB in the beginning and 100.3MB in the end (delta: 11.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:00,174 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.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-6908dde-m [2024-09-25 00:30:02,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:02,442 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:30:02,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:02,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:02,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:02,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:02,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:02,480 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:02,481 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:02,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:02,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:02,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:02,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:02,485 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:02,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:02,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:02,486 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:02,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:02,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:02,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:02,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:02,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:02,491 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:30:02,491 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:30:02,491 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:02,491 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:30:02,492 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:02,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:02,492 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:02,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:02,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:02,493 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:02,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:02,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:02,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:02,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:02,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:02,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:02,505 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:30:02,506 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:30:02,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:02,506 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:02,506 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:02,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:02,507 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:30:02,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:02,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:02,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:02,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:02,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:02,864 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:02,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-25 00:30:04,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:04,683 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:04,684 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-25 00:30:04,695 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ecfa59317/206ed0537da642bf93ef30d369432b06/FLAG0eccc3992 [2024-09-25 00:30:05,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ecfa59317/206ed0537da642bf93ef30d369432b06 [2024-09-25 00:30:05,058 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:05,059 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:05,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml [2024-09-25 00:30:05,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:05,123 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:05,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:05,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:05,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:05,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:05" (1/2) ... [2024-09-25 00:30:05,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4e310a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05, skipping insertion in model container [2024-09-25 00:30:05,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:05" (1/2) ... [2024-09-25 00:30:05,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@223f1257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:05, skipping insertion in model container [2024-09-25 00:30:05,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:05" (2/2) ... [2024-09-25 00:30:05,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4e310a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:05, skipping insertion in model container [2024-09-25 00:30:05,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:05" (2/2) ... [2024-09-25 00:30:05,151 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:05,152 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)) [2024-09-25 00:30:05,152 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:30:05,152 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:30:05,152 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:05,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:05,326 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_unwindbound2.c[537,550] [2024-09-25 00:30:05,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:05,379 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:05,426 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_unwindbound2.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 00:30:05,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:05,469 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:05,470 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:05 WrapperNode [2024-09-25 00:30:05,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:05,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:05,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:05,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:05,486 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 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,487 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 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,499 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 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,513 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 [2024-09-25 00:30:05,513 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 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,514 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 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,520 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 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,525 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 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,530 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 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,531 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 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:05,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:05,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:05,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:05,541 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 25.09 12:30:05" (1/1) ... [2024-09-25 00:30:05,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:05,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:05,573 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) [2024-09-25 00:30:05,576 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 [2024-09-25 00:30:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:30:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:30:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:30:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:30:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:05,712 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:05,715 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:05,744 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:05,782 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:06,459 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:06,492 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:06,537 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:06,538 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:06,538 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:06 BoogieIcfgContainer [2024-09-25 00:30:06,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:06,540 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:06,540 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:06,541 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:06,541 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:05" (1/4) ... [2024-09-25 00:30:06,541 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46afc904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:06, skipping insertion in model container [2024-09-25 00:30:06,541 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:05" (2/4) ... [2024-09-25 00:30:06,543 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46afc904 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:06, skipping insertion in model container [2024-09-25 00:30:06,543 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 25.09 12:30:05" (3/4) ... [2024-09-25 00:30:06,543 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46afc904 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:06, skipping insertion in model container [2024-09-25 00:30:06,543 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:06" (4/4) ... [2024-09-25 00:30:06,545 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound2.c [2024-09-25 00:30:06,549 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:06,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:06,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:06,564 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:06,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:30:06,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:06,564 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:30:06,564 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:30:06,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:06,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:06,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:06,565 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:06,565 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:30:06,565 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:30:06,565 INFO L131 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 loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:30:06,624 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:06,625 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:06,626 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:06,626 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:06,627 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:06,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,642 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:06,646 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,646 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:06,646 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:06,647 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:06,650 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:06,664 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:06,701 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:06,701 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:06,701 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:06,701 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:06,701 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:06,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,704 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:06,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,704 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:06,708 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:06,709 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:06,709 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:06,711 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:06,746 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:06,746 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:06,747 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:06,747 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:06,747 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:06,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,763 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:06,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:06,764 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:06,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:06,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:06,764 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:10,818 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:10,855 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:30:10,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:10,855 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:10,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:10,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:10,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,856 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:30:10,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,857 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:10,857 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:10,857 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:10,857 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:10,863 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:10,886 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:10,887 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:10,887 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:10,887 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:10,887 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:10,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,891 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:10,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,892 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:10,893 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:10,893 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:10,893 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:10,898 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:10,915 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:30:10,916 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:10,916 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:10,916 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:10,916 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:10,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,964 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:30:10,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,965 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:10,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:10,965 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:10,966 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:10,967 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:10,983 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:30:10,983 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:10,983 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:10,983 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:10,983 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:10,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,995 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:30:10,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:10,996 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:10,996 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:10,996 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:10,999 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:15,047 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:15,068 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:15,068 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:15,068 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:15,068 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:15,068 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:15,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,070 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:15,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,070 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:15,070 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:15,070 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:15,070 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:15,072 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:15,083 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:15,083 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:15,084 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:15,084 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:15,084 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:15,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,089 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:15,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,089 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:15,089 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:15,089 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:15,090 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:15,091 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:15,099 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:15,099 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:15,100 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:15,100 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:15,100 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:15,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,101 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:15,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,102 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:15,102 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:15,102 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:15,102 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:15,104 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:15,111 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:30:15,112 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:15,112 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:15,112 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:15,112 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:15,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,118 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:30:15,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,118 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:15,118 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:15,118 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:15,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:15,120 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:15,128 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:30:15,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:15,129 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:15,129 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:15,129 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:15,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,133 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:30:15,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,134 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:15,134 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:15,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:15,134 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:15,157 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:15,170 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:30:15,171 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:15,171 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:15,171 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:15,171 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:15,171 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,198 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:30:15,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,199 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:15,199 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:15,199 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:15,208 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:19,332 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:19,363 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:19,365 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46afc904 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:19, skipping insertion in model container [2024-09-25 00:30:19,365 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:19,368 INFO L158 Benchmark]: Toolchain (without parser) took 14243.26ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 32.2MB in the beginning and 41.8MB in the end (delta: -9.5MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-09-25 00:30:19,369 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:19,369 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:19,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.28ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 32.1MB in the beginning and 55.1MB in the end (delta: -23.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:19,372 INFO L158 Benchmark]: Boogie Preprocessor took 66.77ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 52.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:19,373 INFO L158 Benchmark]: RCFGBuilder took 999.44ms. Allocated memory is still 79.7MB. Free memory was 52.7MB in the beginning and 36.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:19,373 INFO L158 Benchmark]: Referee took 12825.90ms. Allocated memory is still 79.7MB. Free memory was 36.4MB in the beginning and 41.8MB in the end (delta: -5.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:19,378 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 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 36. 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 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 26. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 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. 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 main to check that procedure precondition always holds at line 28. 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: * CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.28ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 32.1MB in the beginning and 55.1MB in the end (delta: -23.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.77ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 52.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 999.44ms. Allocated memory is still 79.7MB. Free memory was 52.7MB in the beginning and 36.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12825.90ms. Allocated memory is still 79.7MB. Free memory was 36.4MB in the beginning and 41.8MB in the end (delta: -5.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:19,442 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