./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:49:51,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:51,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:49:51,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:51,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:51,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:51,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:51,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:51,771 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:51,771 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:51,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:51,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:51,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:51,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:51,773 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:51,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:51,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:51,774 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:51,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:49:51,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:51,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:51,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:51,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:51,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:51,777 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:51,777 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:51,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:51,778 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:51,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:51,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:51,779 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:51,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:51,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:51,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:51,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:51,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:51,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:51,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:49:51,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:49:51,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:51,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:51,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:51,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:51,793 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:52,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:52,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:52,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:52,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:52,093 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:52,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-21 12:49:53,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:53,754 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:53,755 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-21 12:49:53,763 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/95854689a/a6d463b02b344128bda16fb2b5512f2a/FLAGe5099f64b [2024-09-21 12:49:54,086 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/95854689a/a6d463b02b344128bda16fb2b5512f2a [2024-09-21 12:49:54,090 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:54,090 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:54,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml [2024-09-21 12:49:54,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:54,142 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:54,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:54,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:54,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:54,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:54" (1/2) ... [2024-09-21 12:49:54,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eaf3b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54, skipping insertion in model container [2024-09-21 12:49:54,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:54" (1/2) ... [2024-09-21 12:49:54,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6137955a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:54, skipping insertion in model container [2024-09-21 12:49:54,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:54" (2/2) ... [2024-09-21 12:49:54,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eaf3b49 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54, skipping insertion in model container [2024-09-21 12:49:54,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:54" (2/2) ... [2024-09-21 12:49:54,162 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:54,163 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)) [2024-09-21 12:49:54,163 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:49:54,163 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:49:54,163 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:54,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:54,345 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2024-09-21 12:49:54,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:54,373 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:49:54,419 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 12:49:54,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:54,456 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:54,456 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54 WrapperNode [2024-09-21 12:49:54,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:54,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:54,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:54,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:54,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,499 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 [2024-09-21 12:49:54,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:54,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:54,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:54,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:54,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54" (1/1) ... [2024-09-21 12:49:54,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:54,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:54,547 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) [2024-09-21 12:49:54,548 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 [2024-09-21 12:49:54,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:54,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:54,592 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:54,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:49:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:49:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:49:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:54,658 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:54,660 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:54,681 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:54,717 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:54,930 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:54,949 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:54,984 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:54,985 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:49:54,986 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:54 BoogieIcfgContainer [2024-09-21 12:49:54,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:54,987 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:54,987 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:54,988 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:54,991 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:54" (1/4) ... [2024-09-21 12:49:54,991 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ba5e668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:54, skipping insertion in model container [2024-09-21 12:49:54,991 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:54" (2/4) ... [2024-09-21 12:49:54,992 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ba5e668 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:54, skipping insertion in model container [2024-09-21 12:49:54,992 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:54" (3/4) ... [2024-09-21 12:49:54,992 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ba5e668 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:54, skipping insertion in model container [2024-09-21 12:49:54,992 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:54" (4/4) ... [2024-09-21 12:49:54,993 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound2.c [2024-09-21 12:49:54,997 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:49:54,998 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:54,998 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:54,998 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:54,998 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:49:54,999 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:54,999 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:49:55,000 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:49:55,000 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:55,000 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:55,000 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:55,001 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:55,001 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:49:55,002 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:49:55,005 INFO L131 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 [2024-09-21 12:49:55,060 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:49:55,061 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:55,062 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:55,062 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:55,064 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:55,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:55,073 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:49:55,075 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:55,075 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:55,075 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:55,075 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:55,079 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:55,100 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:55,135 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:55,139 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:55,139 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:55,139 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:55,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:55,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:55,141 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:55,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:55,142 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:55,142 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:55,142 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:55,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:55,146 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:55,176 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:55,177 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:55,177 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:55,177 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:55,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:55,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:55,196 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:55,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:55,198 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:55,198 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:55,199 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:55,199 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:59,209 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:59,227 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:59,228 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:59,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:59,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:59,228 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:59,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:59,229 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:59,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:59,230 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:59,230 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:59,230 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:59,230 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:59,233 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:59,246 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:59,247 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:59,247 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:59,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:59,247 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:59,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:59,249 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:59,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:59,249 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:59,249 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:59,249 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:59,250 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:59,251 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:59,265 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:49:59,265 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:59,265 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:59,266 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:59,266 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:59,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:59,298 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:49:59,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:59,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:59,299 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:59,299 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:59,300 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:59,301 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:59,314 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:49:59,315 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:59,315 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:59,315 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:59,315 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:59,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:59,334 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:49:59,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:59,335 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:59,335 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:59,335 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:59,341 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:03,359 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:03,386 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:03,387 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:03,387 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:03,387 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:03,387 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:03,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:03,388 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:03,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:03,389 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:03,389 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:03,389 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:03,389 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:03,394 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:03,407 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:03,407 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:03,407 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:03,408 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:03,408 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:03,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:03,411 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:03,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:03,411 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:03,412 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:03,412 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:03,413 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:03,416 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:03,427 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:03,427 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:03,427 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:03,428 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:03,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:03,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:03,429 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:03,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:03,430 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:03,430 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:03,430 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:03,430 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:03,432 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:03,444 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:50:03,445 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:03,445 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:03,445 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:03,445 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:03,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:03,448 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:50:03,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:03,448 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:03,449 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:03,449 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:03,449 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:03,451 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:03,462 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:50:03,463 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:03,463 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:03,463 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:03,463 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:03,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:03,469 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:50:03,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:03,470 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:03,470 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:03,470 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:03,470 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:03,472 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:03,486 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:50:03,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:03,487 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:03,487 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:03,489 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:03,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:03,528 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:50:03,528 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:03,529 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:03,529 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:03,529 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:03,537 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:07,542 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:07,547 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:07,547 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ba5e668 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:07, skipping insertion in model container [2024-09-21 12:50:07,547 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:07,549 INFO L158 Benchmark]: Toolchain (without parser) took 13406.58ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 122.6MB in the beginning and 145.7MB in the end (delta: -23.1MB). Peak memory consumption was 87.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:07,550 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 124.2MB in the end (delta: 268.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:07,550 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:07,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.09ms. Allocated memory is still 157.3MB. Free memory was 122.3MB in the beginning and 107.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:07,551 INFO L158 Benchmark]: Boogie Preprocessor took 57.51ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 105.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:07,551 INFO L158 Benchmark]: RCFGBuilder took 470.50ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 88.2MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 12:50:07,552 INFO L158 Benchmark]: Referee took 12560.75ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 88.2MB in the beginning and 145.7MB in the end (delta: -57.5MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:07,557 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 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 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __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 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 28. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 124.2MB in the end (delta: 268.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.09ms. Allocated memory is still 157.3MB. Free memory was 122.3MB in the beginning and 107.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.51ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 105.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.50ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 88.2MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12560.75ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 88.2MB in the beginning and 145.7MB in the end (delta: -57.5MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:07,586 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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:09,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:09,844 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:50:09,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:09,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:09,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:09,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:09,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:09,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:09,884 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:09,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:09,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:09,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:09,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:09,886 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:09,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:09,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:09,887 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:09,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:09,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:09,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:09,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:09,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:09,893 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:50:09,893 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:50:09,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:09,894 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:50:09,894 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:09,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:09,895 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:09,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:09,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:09,896 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:09,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:09,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:09,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:09,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:09,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:09,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:09,902 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:50:09,902 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:50:09,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:09,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:09,904 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:09,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:09,904 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:50:09,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:10,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:10,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:10,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:10,272 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:10,273 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:10,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml [2024-09-21 12:50:10,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:10,323 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:10,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-21 12:50:11,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:12,103 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:12,103 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-21 12:50:12,115 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/be3bc1e51/f60353467e2d401a9b1cc92135f84194/FLAG9a9454f9f [2024-09-21 12:50:12,132 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/be3bc1e51/f60353467e2d401a9b1cc92135f84194 [2024-09-21 12:50:12,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:12,134 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:12,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:12,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:12,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:12,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:10" (1/2) ... [2024-09-21 12:50:12,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660358c0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:12, skipping insertion in model container [2024-09-21 12:50:12,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:10" (1/2) ... [2024-09-21 12:50:12,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e9067e2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:12, skipping insertion in model container [2024-09-21 12:50:12,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:12" (2/2) ... [2024-09-21 12:50:12,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660358c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12, skipping insertion in model container [2024-09-21 12:50:12,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:12" (2/2) ... [2024-09-21 12:50:12,155 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:12,156 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)) [2024-09-21 12:50:12,156 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:50:12,157 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:12,157 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:50:12,180 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:12,352 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2024-09-21 12:50:12,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:12,387 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:12,428 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 12:50:12,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:12,463 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:12,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12 WrapperNode [2024-09-21 12:50:12,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:12,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:12,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:12,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:12,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12" (1/1) ... [2024-09-21 12:50:12,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12" (1/1) ... [2024-09-21 12:50:12,485 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12" (1/1) ... [2024-09-21 12:50:12,501 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 [2024-09-21 12:50:12,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12" (1/1) ... [2024-09-21 12:50:12,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12" (1/1) ... [2024-09-21 12:50:12,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12" (1/1) ... [2024-09-21 12:50:12,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12" (1/1) ... [2024-09-21 12:50:12,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12" (1/1) ... [2024-09-21 12:50:12,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12" (1/1) ... [2024-09-21 12:50:12,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:12,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:12,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:12,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:12,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12" (1/1) ... [2024-09-21 12:50:12,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:12,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:12,560 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) [2024-09-21 12:50:12,563 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 [2024-09-21 12:50:12,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:12,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:12,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:50:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:50:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:50:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:12,689 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:12,690 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:12,708 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:12,742 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:13,196 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:13,219 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:13,256 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:13,260 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:13,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:13 BoogieIcfgContainer [2024-09-21 12:50:13,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:13,261 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:13,261 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:13,262 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:13,262 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:10" (1/4) ... [2024-09-21 12:50:13,263 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c0a9946 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:13, skipping insertion in model container [2024-09-21 12:50:13,263 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:12" (2/4) ... [2024-09-21 12:50:13,263 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c0a9946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:13, skipping insertion in model container [2024-09-21 12:50:13,263 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:12" (3/4) ... [2024-09-21 12:50:13,263 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c0a9946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:13, skipping insertion in model container [2024-09-21 12:50:13,264 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:13" (4/4) ... [2024-09-21 12:50:13,265 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound2.c [2024-09-21 12:50:13,269 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:13,271 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:13,271 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:13,271 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:13,272 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:50:13,272 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:13,272 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:50:13,272 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:50:13,272 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:13,272 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:13,272 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:13,272 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:13,273 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:13,273 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:50:13,273 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:50:13,340 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:13,340 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,341 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,341 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,342 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,344 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,352 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:13,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,353 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,353 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,354 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,360 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,374 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:13,401 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:50:13,401 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,402 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,402 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,402 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,407 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:50:13,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,409 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,413 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:13,443 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:50:13,446 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,446 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,446 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,447 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,460 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:50:13,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,464 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,464 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,465 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,465 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,516 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:17,547 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:50:17,548 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:17,549 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:17,549 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:17,549 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:17,549 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,550 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:50:17,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,550 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:17,550 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:17,550 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:17,550 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,557 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:17,579 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:17,579 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:17,579 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:17,579 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:17,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:17,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,585 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:17,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,588 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:17,589 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:17,589 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:17,589 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,590 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:17,604 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:50:17,604 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:17,604 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:17,604 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:17,604 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:17,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,651 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:50:17,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,653 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:17,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:17,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:17,654 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,656 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:17,669 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:50:17,670 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:17,670 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:17,670 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:17,670 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:17,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,685 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:50:17,686 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:17,686 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:17,686 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:17,686 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:17,690 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:21,726 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:21,751 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:21,751 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:21,751 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:21,752 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:21,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:21,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:21,753 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:21,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:21,753 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:21,753 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:21,754 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:21,754 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:21,755 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:21,765 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:21,765 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:21,766 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:21,766 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:21,766 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:21,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:21,768 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:21,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:21,769 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:21,769 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:21,769 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:21,769 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:21,771 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:21,779 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:21,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:21,780 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:21,780 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:21,780 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:21,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:21,781 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:21,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:21,782 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:21,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:21,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:21,782 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:21,784 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:21,793 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:50:21,793 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:21,794 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:21,794 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:21,794 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:21,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:21,796 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:50:21,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:21,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:21,796 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:21,796 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:21,797 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:21,798 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:21,816 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:50:21,817 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:21,817 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:21,817 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:21,818 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:21,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:21,822 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:50:21,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:21,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:21,823 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:21,824 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:21,824 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:21,849 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:21,865 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:50:21,866 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:21,867 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:21,867 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:21,867 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:21,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:21,892 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:50:21,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:21,893 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:21,894 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:21,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:21,898 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:26,009 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:26,038 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:26,039 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c0a9946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:26, skipping insertion in model container [2024-09-21 12:50:26,039 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:26,041 INFO L158 Benchmark]: Toolchain (without parser) took 13906.05ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 48.8MB in the beginning and 45.3MB in the end (delta: 3.5MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-09-21 12:50:26,041 INFO L158 Benchmark]: Witness Parser took 0.76ms. Allocated memory is still 50.3MB. Free memory is still 27.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:26,042 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory was 25.1MB in the beginning and 25.1MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:26,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.64ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 34.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:26,043 INFO L158 Benchmark]: Boogie Preprocessor took 60.78ms. Allocated memory is still 69.2MB. Free memory was 34.3MB in the beginning and 32.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:26,043 INFO L158 Benchmark]: RCFGBuilder took 734.22ms. Allocated memory is still 69.2MB. Free memory was 31.9MB in the beginning and 34.7MB in the end (delta: -2.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-21 12:50:26,044 INFO L158 Benchmark]: Referee took 12777.84ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 34.7MB in the beginning and 45.3MB in the end (delta: -10.6MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:26,046 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure 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 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 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __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 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 loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.76ms. Allocated memory is still 50.3MB. Free memory is still 27.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory was 25.1MB in the beginning and 25.1MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.64ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 34.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.78ms. Allocated memory is still 69.2MB. Free memory was 34.3MB in the beginning and 32.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 734.22ms. Allocated memory is still 69.2MB. Free memory was 31.9MB in the beginning and 34.7MB in the end (delta: -2.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 12777.84ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 34.7MB in the beginning and 45.3MB in the end (delta: -10.6MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:26,089 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN