./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d 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_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.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-f1d7dc9-m [2024-09-20 13:28:06,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:06,854 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:28:06,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:06,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:06,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:06,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:06,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:06,889 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:06,890 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:06,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:06,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:06,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:06,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:06,893 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:06,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:06,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:06,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:06,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:28:06,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:06,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:06,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:06,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:06,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:06,898 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:06,898 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:06,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:06,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:06,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:06,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:06,899 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:06,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:06,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:06,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:06,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:06,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:06,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:06,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:28:06,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:28:06,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:06,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:06,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:06,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:06,903 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:07,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:07,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:07,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:07,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:07,148 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:07,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-20 13:28:08,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:08,567 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:08,568 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-20 13:28:08,575 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a22df8c8c/d89d7937f9d540008831c74d8241cfee/FLAGb12559d97 [2024-09-20 13:28:08,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a22df8c8c/d89d7937f9d540008831c74d8241cfee [2024-09-20 13:28:08,590 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:08,591 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:08,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-20 13:28:08,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:08,648 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:08,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:08,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:08,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:08,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:08" (1/2) ... [2024-09-20 13:28:08,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0d0a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:08, skipping insertion in model container [2024-09-20 13:28:08,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:08" (1/2) ... [2024-09-20 13:28:08,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c39004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:08, skipping insertion in model container [2024-09-20 13:28:08,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:08" (2/2) ... [2024-09-20 13:28:08,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0d0a95 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08, skipping insertion in model container [2024-09-20 13:28:08,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:08" (2/2) ... [2024-09-20 13:28:08,670 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:08,672 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)) [2024-09-20 13:28:08,672 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:28:08,672 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:08,673 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 13:28:08,691 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:08,831 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_unwindbound100.c[537,550] [2024-09-20 13:28:08,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:08,856 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:08,895 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_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 13:28:08,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:08,928 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:08,929 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08 WrapperNode [2024-09-20 13:28:08,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:08,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:08,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:08,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:08,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08" (1/1) ... [2024-09-20 13:28:08,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08" (1/1) ... [2024-09-20 13:28:08,954 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08" (1/1) ... [2024-09-20 13:28:08,971 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 [2024-09-20 13:28:08,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08" (1/1) ... [2024-09-20 13:28:08,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08" (1/1) ... [2024-09-20 13:28:08,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08" (1/1) ... [2024-09-20 13:28:08,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08" (1/1) ... [2024-09-20 13:28:08,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08" (1/1) ... [2024-09-20 13:28:08,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08" (1/1) ... [2024-09-20 13:28:08,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:08,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:08,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:08,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:08,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08" (1/1) ... [2024-09-20 13:28:09,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:09,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:09,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:28:09,062 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:28:09,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:09,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:09,172 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:09,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:09,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:09,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:28:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:28:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:28:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:09,242 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:09,244 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:09,263 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:09,282 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:09,439 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:09,450 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:09,479 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:09,480 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:09,480 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:09 BoogieIcfgContainer [2024-09-20 13:28:09,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:09,481 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:09,481 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:09,481 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:09,482 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:08" (1/4) ... [2024-09-20 13:28:09,482 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16adb7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:09, skipping insertion in model container [2024-09-20 13:28:09,482 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:08" (2/4) ... [2024-09-20 13:28:09,482 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16adb7e6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:09, skipping insertion in model container [2024-09-20 13:28:09,482 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:08" (3/4) ... [2024-09-20 13:28:09,483 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16adb7e6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:09, skipping insertion in model container [2024-09-20 13:28:09,483 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:09" (4/4) ... [2024-09-20 13:28:09,484 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-20 13:28:09,487 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:09,487 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. [2024-09-20 13:28:09,487 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:09,487 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:09,487 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 13:28:09,488 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:09,488 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:28:09,488 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:28:09,488 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:09,488 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:09,488 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:09,488 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:09,488 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:09,488 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:28:09,489 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-20 13:28:09,527 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:09,529 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:09,529 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:09,529 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:09,530 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:09,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:09,540 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:09,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:09,541 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:09,541 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:09,542 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:09,545 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:09,559 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:09,585 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:09,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:09,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:09,585 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:09,585 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:09,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:09,590 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:09,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:09,590 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:09,590 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:09,590 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:09,590 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:09,592 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:09,611 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:09,612 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:09,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:09,612 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:09,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:09,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:09,622 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:09,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:09,622 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:09,622 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:09,623 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:09,623 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:13,625 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:13,636 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:28:13,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:13,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:13,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:13,637 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:13,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,638 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:28:13,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:13,638 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:13,638 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:13,638 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:13,640 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:13,647 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:13,648 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:13,648 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:13,648 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:13,648 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:13,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,649 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:13,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,649 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:13,649 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:13,649 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:13,649 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:13,651 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:13,659 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:28:13,660 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:13,660 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:13,660 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:13,660 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:13,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,680 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:28:13,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,680 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:13,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:13,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:13,681 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:13,682 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:13,690 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:28:13,690 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:13,690 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:13,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:13,691 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:13,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,706 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:28:13,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,706 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:13,706 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:13,706 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:13,710 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,719 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:17,728 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:17,728 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,728 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,728 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,728 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,729 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:17,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,729 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,729 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,730 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,730 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,731 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:17,737 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:17,737 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,737 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,738 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,738 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,739 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:17,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,740 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,741 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:17,747 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:17,747 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,747 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,747 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,747 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,748 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:17,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,748 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,749 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,749 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,750 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:17,755 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:28:17,756 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,756 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,756 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,756 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,757 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:28:17,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,758 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,758 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,758 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,759 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:17,766 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:28:17,766 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,767 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,767 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,767 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,770 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:28:17,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,771 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,771 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,771 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,771 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,773 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:17,781 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 13:28:17,781 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,781 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,781 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,781 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,802 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 13:28:17,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,803 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,803 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,808 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:21,814 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:21,819 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:21,820 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16adb7e6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:21, skipping insertion in model container [2024-09-20 13:28:21,820 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:21,821 INFO L158 Benchmark]: Toolchain (without parser) took 13172.54ms. Allocated memory is still 184.5MB. Free memory was 109.8MB in the beginning and 65.2MB in the end (delta: 44.6MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:21,821 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 184.5MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:21,822 INFO L158 Benchmark]: Witness Parser took 0.59ms. Allocated memory is still 184.5MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:21,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.62ms. Allocated memory is still 184.5MB. Free memory was 109.6MB in the beginning and 95.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:21,822 INFO L158 Benchmark]: Boogie Preprocessor took 61.82ms. Allocated memory is still 184.5MB. Free memory was 95.7MB in the beginning and 93.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:21,823 INFO L158 Benchmark]: RCFGBuilder took 487.57ms. Allocated memory is still 184.5MB. Free memory was 93.5MB in the beginning and 137.7MB in the end (delta: -44.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-09-20 13:28:21,823 INFO L158 Benchmark]: Referee took 12339.15ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 65.2MB in the end (delta: 72.5MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-09-20 13:28:21,825 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 __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 ULTIMATE.start to check that procedure precondition always holds at line -1. 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 26. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 184.5MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.59ms. Allocated memory is still 184.5MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.62ms. Allocated memory is still 184.5MB. Free memory was 109.6MB in the beginning and 95.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.82ms. Allocated memory is still 184.5MB. Free memory was 95.7MB in the beginning and 93.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.57ms. Allocated memory is still 184.5MB. Free memory was 93.5MB in the beginning and 137.7MB in the end (delta: -44.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Referee took 12339.15ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 65.2MB in the end (delta: 72.5MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:21,844 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_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.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-f1d7dc9-m [2024-09-20 13:28:23,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:23,803 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:28:23,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:23,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:23,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:23,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:23,840 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:23,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:23,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:23,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:23,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:23,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:23,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:23,845 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:23,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:23,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:23,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:23,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:23,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:23,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:23,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:23,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:23,847 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:28:23,849 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:28:23,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:23,850 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:28:23,850 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:23,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:23,850 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:23,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:23,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:23,851 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:23,851 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:23,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:23,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:23,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:23,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:23,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:23,852 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:28:23,852 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:28:23,853 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:23,853 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:23,853 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:23,854 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:23,854 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:28:23,854 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:24,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:24,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:24,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:24,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:24,153 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:24,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-20 13:28:25,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:25,825 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:25,826 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-20 13:28:25,833 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ab5941130/142257a807264c198eef4395683eaf97/FLAG752a8f748 [2024-09-20 13:28:25,844 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ab5941130/142257a807264c198eef4395683eaf97 [2024-09-20 13:28:25,846 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:25,847 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:25,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-20 13:28:25,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:25,897 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:25,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:25,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:25,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:25,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:25" (1/2) ... [2024-09-20 13:28:25,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1ae1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:25, skipping insertion in model container [2024-09-20 13:28:25,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:25" (1/2) ... [2024-09-20 13:28:25,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f49aa06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:25, skipping insertion in model container [2024-09-20 13:28:25,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:25" (2/2) ... [2024-09-20 13:28:25,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1ae1c6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:25, skipping insertion in model container [2024-09-20 13:28:25,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:25" (2/2) ... [2024-09-20 13:28:25,915 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:25,916 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)) [2024-09-20 13:28:25,916 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 13:28:25,916 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:28:25,916 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:25,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:26,045 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_unwindbound100.c[537,550] [2024-09-20 13:28:26,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:26,080 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:26,116 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_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 13:28:26,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:26,146 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:26,146 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26 WrapperNode [2024-09-20 13:28:26,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:26,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:26,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:26,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:26,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,167 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,175 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 [2024-09-20 13:28:26,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:26,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:26,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:26,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:26,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:26,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:26,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:28:26,224 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:28:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:28:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:28:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:28:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:26,328 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:26,330 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:26,357 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:26,379 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:26,801 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:26,834 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:26,872 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:26,873 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:26,874 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:26 BoogieIcfgContainer [2024-09-20 13:28:26,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:26,875 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:26,875 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:26,876 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:26,877 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:25" (1/4) ... [2024-09-20 13:28:26,877 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a4d876b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:26, skipping insertion in model container [2024-09-20 13:28:26,877 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:25" (2/4) ... [2024-09-20 13:28:26,878 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a4d876b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:26, skipping insertion in model container [2024-09-20 13:28:26,878 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26" (3/4) ... [2024-09-20 13:28:26,878 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a4d876b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:26, skipping insertion in model container [2024-09-20 13:28:26,878 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:26" (4/4) ... [2024-09-20 13:28:26,879 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-20 13:28:26,882 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:26,883 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. [2024-09-20 13:28:26,883 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:26,884 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:26,884 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 13:28:26,884 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:26,884 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:28:26,884 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:28:26,884 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:26,885 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:26,885 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:26,885 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:26,885 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:26,885 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:28:26,886 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, 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-20 13:28:26,937 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:26,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:26,939 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:26,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:26,940 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:26,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:26,954 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:26,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:26,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:26,959 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:26,959 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:26,962 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:26,976 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:27,001 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:27,004 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:27,004 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:27,004 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:27,004 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:27,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,006 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:27,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,008 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:27,008 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:27,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:27,009 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:27,010 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:27,031 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:27,032 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:27,032 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:27,033 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:27,033 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:27,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,044 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:27,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,045 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:27,045 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:27,045 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:27,045 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:31,087 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:31,126 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:28:31,127 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:31,127 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:31,127 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:31,127 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:31,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,127 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:28:31,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,128 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:31,128 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:31,128 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:31,128 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:31,132 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:31,157 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:31,158 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:31,158 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:31,159 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:31,159 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:31,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,160 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:31,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,162 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:31,162 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:31,162 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:31,162 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:31,164 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:31,177 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:28:31,178 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:31,178 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:31,178 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:31,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:31,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,206 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:28:31,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,208 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:31,208 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:31,208 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:31,209 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:31,211 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:31,222 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:28:31,223 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:31,223 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:31,223 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:31,223 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:31,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,235 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:28:31,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,236 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:31,236 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:31,236 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:31,240 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:35,272 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:35,295 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:35,296 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:35,296 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:35,296 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:35,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:35,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,297 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:35,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:35,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:35,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:35,298 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:35,299 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:35,306 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:35,306 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:35,306 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:35,306 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:35,307 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:35,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,308 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:35,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,308 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:35,309 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:35,309 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:35,309 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:35,310 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:35,317 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:35,317 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:35,317 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:35,317 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:35,317 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:35,317 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,318 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:35,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,319 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:35,319 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:35,319 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:35,319 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:35,320 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:35,326 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:28:35,327 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:35,327 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:35,327 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:35,327 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:35,327 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,328 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:28:35,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,329 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:35,329 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:35,329 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:35,329 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:35,330 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:35,341 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:28:35,341 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:35,341 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:35,341 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:35,341 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:35,341 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,344 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:28:35,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,345 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:35,345 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:35,345 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:35,345 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:35,362 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:35,371 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 13:28:35,372 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:35,372 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:35,372 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:35,372 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:35,372 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,396 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 13:28:35,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,396 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:35,396 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:35,396 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:35,399 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:39,477 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:39,507 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:39,507 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a4d876b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:39, skipping insertion in model container [2024-09-20 13:28:39,507 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:39,509 INFO L158 Benchmark]: Toolchain (without parser) took 13611.49ms. Allocated memory was 94.4MB in the beginning and 148.9MB in the end (delta: 54.5MB). Free memory was 69.8MB in the beginning and 121.7MB in the end (delta: -52.0MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-09-20 13:28:39,511 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:39,511 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 94.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:39,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.91ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 54.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:39,512 INFO L158 Benchmark]: Boogie Preprocessor took 40.56ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 52.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:39,514 INFO L158 Benchmark]: RCFGBuilder took 685.61ms. Allocated memory is still 94.4MB. Free memory was 52.4MB in the beginning and 62.2MB in the end (delta: -9.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-09-20 13:28:39,514 INFO L158 Benchmark]: Referee took 12632.59ms. Allocated memory was 94.4MB in the beginning and 148.9MB in the end (delta: 54.5MB). Free memory was 62.2MB in the beginning and 121.7MB in the end (delta: -59.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2024-09-20 13:28:39,517 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 94.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.91ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 54.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.56ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 52.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 685.61ms. Allocated memory is still 94.4MB. Free memory was 52.4MB in the beginning and 62.2MB in the end (delta: -9.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Referee took 12632.59ms. Allocated memory was 94.4MB in the beginning and 148.9MB in the end (delta: 54.5MB). Free memory was 62.2MB in the beginning and 121.7MB in the end (delta: -59.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:39,566 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN