./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:07:52,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:07:52,554 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:07:52,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:07:52,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:07:52,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:07:52,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:07:52,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:07:52,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:07:52,591 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:07:52,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:07:52,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:07:52,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:07:52,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:07:52,594 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:07:52,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:07:52,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:07:52,595 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:07:52,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:07:52,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:07:52,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:07:52,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:07:52,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:07:52,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:07:52,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:07:52,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:07:52,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:07:52,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:07:52,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:07:52,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:07:52,601 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:07:52,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:07:52,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:07:52,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:52,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:07:52,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:07:52,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:07:52,604 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:07:52,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:07:52,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:07:52,605 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:07:52,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:07:52,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:07:52,606 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:07:52,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:07:52,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:07:52,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:07:52,888 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:07:52,888 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:07:52,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-09-15 20:07:52,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:07:52,957 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:07:52,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-15 20:07:54,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:07:54,652 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:07:54,653 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-15 20:07:54,660 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f8febc856/e3f25cc1081340679a546438fd6d5c71/FLAG9c67c3a97 [2024-09-15 20:07:54,677 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f8febc856/e3f25cc1081340679a546438fd6d5c71 [2024-09-15 20:07:54,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:07:54,679 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:07:54,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:54,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:07:54,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:07:54,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:52" (1/2) ... [2024-09-15 20:07:54,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f93500 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:54, skipping insertion in model container [2024-09-15 20:07:54,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:52" (1/2) ... [2024-09-15 20:07:54,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67127b82 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:54, skipping insertion in model container [2024-09-15 20:07:54,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:54" (2/2) ... [2024-09-15 20:07:54,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f93500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54, skipping insertion in model container [2024-09-15 20:07:54,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:54" (2/2) ... [2024-09-15 20:07:54,706 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:07:54,707 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-15 20:07:54,707 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:07:54,710 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:07:54,710 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-15 20:07:54,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:07:54,858 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_unwindbound20.c[537,550] [2024-09-15 20:07:54,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:54,885 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:07:54,921 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_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-15 20:07:54,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:54,969 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:07:54,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54 WrapperNode [2024-09-15 20:07:54,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:54,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:07:54,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:07:54,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:07:54,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54" (1/1) ... [2024-09-15 20:07:54,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54" (1/1) ... [2024-09-15 20:07:54,990 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54" (1/1) ... [2024-09-15 20:07:55,001 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:07:55,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54" (1/1) ... [2024-09-15 20:07:55,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54" (1/1) ... [2024-09-15 20:07:55,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54" (1/1) ... [2024-09-15 20:07:55,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54" (1/1) ... [2024-09-15 20:07:55,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54" (1/1) ... [2024-09-15 20:07:55,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54" (1/1) ... [2024-09-15 20:07:55,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:07:55,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:07:55,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:07:55,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:07:55,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54" (1/1) ... [2024-09-15 20:07:55,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:55,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:07:55,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-15 20:07:55,050 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-15 20:07:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:07:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:07:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:07:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:07:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:07:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:07:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:07:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:07:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:07:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:07:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:07:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:07:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:07:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:07:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:07:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:07:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:07:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:07:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:07:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:07:55,148 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:07:55,150 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:07:55,168 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:55,190 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:55,392 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:55,409 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:07:55,439 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:07:55,440 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:07:55,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:55 BoogieIcfgContainer [2024-09-15 20:07:55,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:07:55,442 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:07:55,443 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:07:55,444 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:07:55,444 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:52" (1/4) ... [2024-09-15 20:07:55,445 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a297070 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:55, skipping insertion in model container [2024-09-15 20:07:55,445 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:07:54" (2/4) ... [2024-09-15 20:07:55,446 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a297070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:55, skipping insertion in model container [2024-09-15 20:07:55,446 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:54" (3/4) ... [2024-09-15 20:07:55,446 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a297070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:55, skipping insertion in model container [2024-09-15 20:07:55,447 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:55" (4/4) ... [2024-09-15 20:07:55,448 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-09-15 20:07:55,452 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:07:55,452 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:55,453 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:55,453 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:55,453 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-15 20:07:55,453 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:55,453 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:07:55,454 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:07:55,454 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:55,454 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:55,454 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:55,455 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:55,455 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:07:55,455 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-15 20:07:55,456 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-15 20:07:55,518 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:07:55,521 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:55,521 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:55,522 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:55,523 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:55,525 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:55,536 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:07:55,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:55,537 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:55,537 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:55,538 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:55,542 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:55,564 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:55,596 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:55,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:55,599 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:55,600 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:55,600 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:55,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:55,602 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:55,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:55,606 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:55,606 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:55,606 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:55,606 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:55,610 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:55,637 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:55,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:55,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:55,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:55,638 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:55,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:55,657 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:55,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:55,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:55,658 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:55,658 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:55,658 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:59,662 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:59,690 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:07:59,691 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:59,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:59,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:59,691 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:59,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:59,692 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:07:59,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:59,693 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:59,693 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:59,693 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:59,693 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:59,696 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:59,710 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:59,711 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:59,711 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:59,712 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:59,712 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:59,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:59,713 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:59,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:59,714 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:59,714 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:59,714 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:59,714 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:59,716 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:59,731 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:07:59,731 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:59,731 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:59,732 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:59,732 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:59,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:59,762 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-15 20:07:59,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:59,762 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:59,763 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:59,763 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:59,763 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:59,765 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:59,777 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-15 20:07:59,777 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:59,778 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:59,778 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:59,778 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:59,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:59,796 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-15 20:07:59,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:59,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:59,797 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:59,797 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:59,803 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:03,811 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:03,827 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:03,829 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:03,829 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:03,829 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:03,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:03,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:03,830 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:03,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:03,831 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:03,831 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:03,831 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:03,831 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:03,833 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:03,847 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:03,848 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:03,848 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:03,848 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:03,848 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:03,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:03,852 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:03,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:03,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:03,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:03,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:03,854 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:03,856 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:03,868 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:03,868 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:03,868 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:03,869 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:03,869 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:03,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:03,870 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:03,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:03,871 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:03,871 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:03,871 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:03,871 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:03,873 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:03,884 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:08:03,885 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:03,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:03,885 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:03,885 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:03,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:03,887 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:08:03,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:03,889 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:03,889 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:03,889 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:03,889 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:03,891 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:03,905 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-15 20:08:03,905 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:03,905 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:03,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:03,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:03,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:03,912 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-15 20:08:03,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:03,913 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:03,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:03,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:03,913 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:03,916 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:03,927 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-15 20:08:03,927 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:03,927 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:03,928 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:03,928 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:03,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:03,961 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-15 20:08:03,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:03,962 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:03,962 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:03,962 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:03,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:07,980 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:07,986 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:07,986 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a297070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:07, skipping insertion in model container [2024-09-15 20:08:07,986 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:07,988 INFO L158 Benchmark]: Toolchain (without parser) took 13308.26ms. Allocated memory is still 195.0MB. Free memory was 123.6MB in the beginning and 74.9MB in the end (delta: 48.8MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2024-09-15 20:08:07,988 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:07,989 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 195.0MB. Free memory is still 170.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:07,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.45ms. Allocated memory is still 195.0MB. Free memory was 123.4MB in the beginning and 166.8MB in the end (delta: -43.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:07,990 INFO L158 Benchmark]: Boogie Preprocessor took 48.86ms. Allocated memory is still 195.0MB. Free memory was 166.8MB in the beginning and 164.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:07,990 INFO L158 Benchmark]: RCFGBuilder took 420.75ms. Allocated memory is still 195.0MB. Free memory was 164.2MB in the beginning and 146.8MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-15 20:08:07,991 INFO L158 Benchmark]: Referee took 12544.37ms. Allocated memory is still 195.0MB. Free memory was 146.8MB in the beginning and 74.9MB in the end (delta: 71.9MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-15 20:08:07,993 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure 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 26. 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. 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 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 __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 assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.32ms. Allocated memory is still 195.0MB. Free memory is still 170.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.45ms. Allocated memory is still 195.0MB. Free memory was 123.4MB in the beginning and 166.8MB in the end (delta: -43.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.86ms. Allocated memory is still 195.0MB. Free memory was 166.8MB in the beginning and 164.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.75ms. Allocated memory is still 195.0MB. Free memory was 164.2MB in the beginning and 146.8MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12544.37ms. Allocated memory is still 195.0MB. Free memory was 146.8MB in the beginning and 74.9MB in the end (delta: 71.9MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:08,024 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:08:10,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:08:10,222 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:08:10,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:08:10,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:08:10,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:08:10,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:08:10,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:08:10,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:08:10,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:08:10,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:08:10,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:08:10,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:08:10,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:08:10,270 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:08:10,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:08:10,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:08:10,271 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:08:10,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:08:10,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:08:10,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:08:10,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:08:10,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:08:10,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:08:10,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:08:10,278 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:08:10,278 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:08:10,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:08:10,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:08:10,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:08:10,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:08:10,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:08:10,280 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:08:10,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:08:10,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:08:10,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:10,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:08:10,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:08:10,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:08:10,281 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:08:10,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:08:10,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:08:10,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:08:10,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:08:10,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:08:10,284 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:08:10,284 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:08:10,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:08:10,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:08:10,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:08:10,640 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:08:10,641 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:08:10,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-09-15 20:08:10,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:08:10,705 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:08:10,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-15 20:08:12,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:08:12,441 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:08:12,441 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-15 20:08:12,450 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9494250b1/68892659c1fb4361aa3ec472bd1e3197/FLAGfa90745a3 [2024-09-15 20:08:12,468 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9494250b1/68892659c1fb4361aa3ec472bd1e3197 [2024-09-15 20:08:12,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:08:12,470 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:08:12,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:12,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:08:12,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:08:12,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:10" (1/2) ... [2024-09-15 20:08:12,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115977ff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:12, skipping insertion in model container [2024-09-15 20:08:12,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:10" (1/2) ... [2024-09-15 20:08:12,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a1df933 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:12, skipping insertion in model container [2024-09-15 20:08:12,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:12" (2/2) ... [2024-09-15 20:08:12,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115977ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12, skipping insertion in model container [2024-09-15 20:08:12,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:12" (2/2) ... [2024-09-15 20:08:12,499 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:08:12,501 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-15 20:08:12,501 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:08:12,501 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-15 20:08:12,501 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:08:12,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:08:12,716 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_unwindbound20.c[537,550] [2024-09-15 20:08:12,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:12,762 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:08:12,806 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_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-15 20:08:12,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:12,848 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:08:12,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12 WrapperNode [2024-09-15 20:08:12,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:12,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:08:12,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:08:12,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:08:12,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12" (1/1) ... [2024-09-15 20:08:12,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12" (1/1) ... [2024-09-15 20:08:12,872 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12" (1/1) ... [2024-09-15 20:08:12,888 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:08:12,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12" (1/1) ... [2024-09-15 20:08:12,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12" (1/1) ... [2024-09-15 20:08:12,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12" (1/1) ... [2024-09-15 20:08:12,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12" (1/1) ... [2024-09-15 20:08:12,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12" (1/1) ... [2024-09-15 20:08:12,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12" (1/1) ... [2024-09-15 20:08:12,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:08:12,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:08:12,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:08:12,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:08:12,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12" (1/1) ... [2024-09-15 20:08:12,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:12,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:08:12,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-15 20:08:12,950 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-15 20:08:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:08:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:08:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:08:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:08:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:08:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:08:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:08:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:08:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:08:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:08:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:08:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:08:12,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:08:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:08:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:08:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:08:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:08:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:08:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:08:12,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:08:13,065 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:08:13,068 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:08:13,094 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:13,139 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:13,628 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:13,662 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:08:13,692 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:08:13,692 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:08:13,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:13 BoogieIcfgContainer [2024-09-15 20:08:13,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:08:13,694 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:08:13,694 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:08:13,695 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:08:13,695 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:10" (1/4) ... [2024-09-15 20:08:13,695 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c33005d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:13, skipping insertion in model container [2024-09-15 20:08:13,695 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:08:12" (2/4) ... [2024-09-15 20:08:13,696 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c33005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:08:13, skipping insertion in model container [2024-09-15 20:08:13,696 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:12" (3/4) ... [2024-09-15 20:08:13,696 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c33005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:08:13, skipping insertion in model container [2024-09-15 20:08:13,696 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:13" (4/4) ... [2024-09-15 20:08:13,698 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-09-15 20:08:13,701 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:08:13,702 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:13,703 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:13,703 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:13,703 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-15 20:08:13,703 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:13,705 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:08:13,706 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:08:13,706 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:13,706 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:08:13,706 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:13,706 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:08:13,706 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:08:13,706 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-15 20:08:13,707 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location [2024-09-15 20:08:13,759 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:08:13,760 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:13,761 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:13,761 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:13,762 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:13,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:13,779 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:08:13,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:13,783 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:13,783 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:13,784 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:13,787 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:13,804 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:13,857 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:08:13,860 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:13,860 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:13,861 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:13,861 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:13,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:13,864 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:08:13,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:13,867 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:13,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:13,868 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:13,868 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:13,871 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:13,907 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:08:13,907 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:13,907 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:13,907 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:13,907 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:13,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:13,924 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:08:13,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:13,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:13,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:13,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:13,926 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:17,971 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:17,997 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:08:17,997 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:17,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:17,997 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:17,997 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:17,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:17,999 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:08:17,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:17,999 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:17,999 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:17,999 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:17,999 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,005 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:18,033 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:18,033 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,033 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,036 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:18,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,037 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,039 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:18,054 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:08:18,055 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,055 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,055 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,055 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,090 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-15 20:08:18,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,090 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,091 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,091 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,092 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,093 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:18,108 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-15 20:08:18,108 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,109 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,109 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,109 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,121 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-15 20:08:18,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,121 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,121 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,122 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,124 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,247 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:18,271 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:18,271 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,271 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,271 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,273 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:18,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,273 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,273 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,273 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,277 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:18,286 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:18,286 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,287 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,287 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,287 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,287 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,289 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:18,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,290 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,290 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,290 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,290 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,292 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:18,300 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:18,300 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,300 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,300 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,300 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,302 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:18,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,302 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,302 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,302 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,303 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,304 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:18,312 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:08:18,312 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,312 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,313 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,313 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,315 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:08:18,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,316 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,316 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,316 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,316 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,318 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:18,327 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-15 20:08:18,327 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,327 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,328 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,328 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,332 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-15 20:08:18,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,332 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,333 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,333 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,333 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,358 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:18,373 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-15 20:08:18,373 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,374 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,374 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,374 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,406 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-15 20:08:18,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,412 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:22,511 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:22,536 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:22,536 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c33005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:22, skipping insertion in model container [2024-09-15 20:08:22,537 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:22,538 INFO L158 Benchmark]: Toolchain (without parser) took 10067.42ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 32.5MB in the beginning and 58.1MB in the end (delta: -25.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-09-15 20:08:22,539 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 46.1MB. Free memory was 27.7MB in the beginning and 27.6MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:22,539 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory is still 25.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:22,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.65ms. Allocated memory is still 65.0MB. Free memory was 32.3MB in the beginning and 35.8MB in the end (delta: -3.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:22,540 INFO L158 Benchmark]: Boogie Preprocessor took 62.66ms. Allocated memory is still 65.0MB. Free memory was 35.8MB in the beginning and 33.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:22,541 INFO L158 Benchmark]: RCFGBuilder took 779.66ms. Allocated memory is still 65.0MB. Free memory was 33.5MB in the beginning and 36.1MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-15 20:08:22,541 INFO L158 Benchmark]: Referee took 8842.95ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 36.1MB in the beginning and 58.1MB in the end (delta: -22.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:22,544 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 __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 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 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 main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 46.1MB. Free memory was 27.7MB in the beginning and 27.6MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory is still 25.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.65ms. Allocated memory is still 65.0MB. Free memory was 32.3MB in the beginning and 35.8MB in the end (delta: -3.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.66ms. Allocated memory is still 65.0MB. Free memory was 35.8MB in the beginning and 33.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 779.66ms. Allocated memory is still 65.0MB. Free memory was 33.5MB in the beginning and 36.1MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8842.95ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 36.1MB in the beginning and 58.1MB in the end (delta: -22.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:22,588 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN