./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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-ca4ee3d-m [2024-09-20 20:11:23,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:23,087 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:11:23,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:23,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:23,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:23,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:23,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:23,127 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:23,128 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:23,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:23,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:23,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:23,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:23,132 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:23,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:23,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:23,133 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:23,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:11:23,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:23,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:23,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:23,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:23,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:23,138 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:23,138 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:23,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:23,139 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:23,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:23,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:23,140 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:23,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:23,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:23,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:23,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:23,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:23,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:23,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:11:23,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:11:23,142 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:23,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:23,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:23,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:23,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:23,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:23,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:23,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:23,414 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:23,415 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:23,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-20 20:11:23,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:23,488 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:23,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-20 20:11:24,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:25,086 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:25,087 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-20 20:11:25,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5ce5a019b/c797845ec56a49fba97eecd3281c6b87/FLAGe33aafe3f [2024-09-20 20:11:25,470 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5ce5a019b/c797845ec56a49fba97eecd3281c6b87 [2024-09-20 20:11:25,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:25,472 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:25,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:25,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:25,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:25,481 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 08:11:23" (1/2) ... [2024-09-20 20:11:25,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa97725 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25, skipping insertion in model container [2024-09-20 20:11:25,482 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 08:11:23" (1/2) ... [2024-09-20 20:11:25,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6978b2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:25, skipping insertion in model container [2024-09-20 20:11:25,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:25" (2/2) ... [2024-09-20 20:11:25,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa97725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25, skipping insertion in model container [2024-09-20 20:11:25,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:25" (2/2) ... [2024-09-20 20:11:25,490 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:25,491 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 20:11:25,491 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:11:25,491 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:25,491 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:11:25,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:25,641 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_unwindbound10.c[537,550] [2024-09-20 20:11:25,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:25,668 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:25,716 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 20:11:25,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:25,743 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:25,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25 WrapperNode [2024-09-20 20:11:25,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:25,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:25,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:25,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:25,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,781 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,802 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 20:11:25,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:25,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:25,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:25,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:25,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25" (1/1) ... [2024-09-20 20:11:25,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:25,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:25,854 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 20:11:25,856 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 20:11:25,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:25,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:25,894 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:25,894 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:25,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:25,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:11:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:11:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:11:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:25,953 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:25,957 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:25,977 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:26,001 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:26,203 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:26,221 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:26,259 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:26,259 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:26,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:26 BoogieIcfgContainer [2024-09-20 20:11:26,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:26,262 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:26,262 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:26,263 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:26,264 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 08:11:23" (1/4) ... [2024-09-20 20:11:26,264 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1317584a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:26, skipping insertion in model container [2024-09-20 20:11:26,264 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:25" (2/4) ... [2024-09-20 20:11:26,265 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1317584a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:26, skipping insertion in model container [2024-09-20 20:11:26,265 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:25" (3/4) ... [2024-09-20 20:11:26,265 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1317584a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:26, skipping insertion in model container [2024-09-20 20:11:26,265 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:26" (4/4) ... [2024-09-20 20:11:26,267 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-20 20:11:26,269 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:26,270 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 20:11:26,270 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:26,270 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 20:11:26,271 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:11:26,271 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:26,271 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 20:11:26,271 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 20:11:26,271 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 20:11:26,271 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 20:11:26,272 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:26,272 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:26,272 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 20:11:26,272 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 20:11:26,272 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-20 20:11:26,322 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:26,323 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:26,324 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:26,328 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:26,330 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:26,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:26,345 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:26,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:26,347 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:26,347 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:26,348 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:26,352 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:26,376 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 20:11:26,411 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:26,411 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:26,411 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:26,412 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:26,412 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:26,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:26,415 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:26,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:26,415 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:26,416 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:26,417 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:26,417 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:26,419 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:26,452 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:26,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:26,453 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:26,455 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:26,455 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:26,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:26,476 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:26,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:26,477 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:26,477 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:26,477 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:26,477 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:30,484 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:30,507 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:11:30,507 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:30,507 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:30,508 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:30,508 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:30,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:30,509 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:11:30,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:30,509 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:30,509 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:30,509 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:30,509 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:30,515 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:30,535 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:30,536 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:30,537 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:30,537 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:30,537 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:30,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:30,539 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:30,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:30,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:30,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:30,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:30,541 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:30,543 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:30,557 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:11:30,557 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:30,557 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:30,557 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:30,558 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:30,558 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:30,590 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:11:30,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:30,591 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:30,591 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:30,591 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:30,593 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:30,594 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:30,608 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:11:30,609 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:30,609 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:30,609 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:30,609 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:30,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:30,629 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:11:30,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:30,630 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:30,631 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:30,631 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:30,637 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,644 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:34,660 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:34,661 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,662 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,663 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,663 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,664 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:34,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,664 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,664 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,664 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,664 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,666 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:34,676 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:34,677 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,677 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,677 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,680 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:34,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,680 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,680 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,680 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,681 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,683 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:34,691 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:34,692 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,692 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,692 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,692 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,693 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:34,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,693 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,694 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,694 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,694 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,695 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:34,705 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:34,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,707 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:34,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,707 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,708 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,708 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,708 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,709 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:34,718 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:34,719 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,719 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,719 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,719 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,723 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:34,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,724 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,724 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,724 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,724 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,727 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:34,737 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:11:34,737 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,738 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,738 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,738 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,760 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:11:34,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,761 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,761 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,761 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:38,774 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:38,780 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:38,780 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1317584a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:38, skipping insertion in model container [2024-09-20 20:11:38,780 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:38,782 INFO L158 Benchmark]: Toolchain (without parser) took 13309.03ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 73.0MB in the beginning and 69.0MB in the end (delta: 4.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:38,783 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 146.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:38,783 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 146.8MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:38,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.06ms. Allocated memory is still 146.8MB. Free memory was 72.8MB in the beginning and 115.5MB in the end (delta: -42.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:38,785 INFO L158 Benchmark]: Boogie Preprocessor took 69.82ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 115.5MB in the beginning and 159.1MB in the end (delta: -43.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:38,786 INFO L158 Benchmark]: RCFGBuilder took 446.22ms. Allocated memory is still 188.7MB. Free memory was 159.1MB in the beginning and 141.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:38,786 INFO L158 Benchmark]: Referee took 12518.01ms. Allocated memory is still 188.7MB. Free memory was 141.3MB in the beginning and 69.0MB in the end (delta: 72.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-20 20:11:38,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 146.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 146.8MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.06ms. Allocated memory is still 146.8MB. Free memory was 72.8MB in the beginning and 115.5MB in the end (delta: -42.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.82ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 115.5MB in the beginning and 159.1MB in the end (delta: -43.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.22ms. Allocated memory is still 188.7MB. Free memory was 159.1MB in the beginning and 141.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12518.01ms. Allocated memory is still 188.7MB. Free memory was 141.3MB in the beginning and 69.0MB in the end (delta: 72.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:38,821 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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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-ca4ee3d-m [2024-09-20 20:11:40,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:41,009 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:11:41,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:41,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:41,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:41,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:41,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:41,053 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:41,054 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:41,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:41,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:41,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:41,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:41,058 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:41,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:41,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:41,059 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:41,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:41,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:41,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:41,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:41,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:41,062 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:11:41,062 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:11:41,062 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:41,063 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:11:41,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:41,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:41,068 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:41,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:41,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:41,070 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:41,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:41,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:41,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:41,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:41,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:41,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:41,072 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:11:41,072 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:11:41,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:41,073 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:41,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:41,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:41,074 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:11:41,074 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:41,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:41,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:41,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:41,397 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:41,398 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:41,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-20 20:11:41,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:41,448 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:41,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-20 20:11:43,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:43,235 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:43,235 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-20 20:11:43,245 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0923ae872/4aded239d98f440a9ca1c9fd087fd57d/FLAG69e5757e4 [2024-09-20 20:11:43,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0923ae872/4aded239d98f440a9ca1c9fd087fd57d [2024-09-20 20:11:43,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:43,264 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:43,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:43,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:43,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:43,273 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 08:11:41" (1/2) ... [2024-09-20 20:11:43,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115977ff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:43, skipping insertion in model container [2024-09-20 20:11:43,275 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 08:11:41" (1/2) ... [2024-09-20 20:11:43,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a1df933 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:43, skipping insertion in model container [2024-09-20 20:11:43,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:43" (2/2) ... [2024-09-20 20:11:43,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115977ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43, skipping insertion in model container [2024-09-20 20:11:43,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:43" (2/2) ... [2024-09-20 20:11:43,289 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:43,291 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 20:11:43,291 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:43,291 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:11:43,291 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:11:43,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:43,463 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_unwindbound10.c[537,550] [2024-09-20 20:11:43,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:43,497 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:43,537 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_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 20:11:43,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:43,578 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:43,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43 WrapperNode [2024-09-20 20:11:43,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:43,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:43,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:43,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:43,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,601 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,609 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 20:11:43,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:43,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:43,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:43,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:43,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43" (1/1) ... [2024-09-20 20:11:43,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:43,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:43,653 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 20:11:43,655 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 20:11:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:11:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:11:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:11:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:43,786 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:43,789 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:43,816 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:43,853 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:44,325 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:44,345 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:44,385 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:44,385 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:44,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:44 BoogieIcfgContainer [2024-09-20 20:11:44,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:44,388 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:44,388 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:44,389 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:44,389 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 08:11:41" (1/4) ... [2024-09-20 20:11:44,390 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c33005d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:44, skipping insertion in model container [2024-09-20 20:11:44,390 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:43" (2/4) ... [2024-09-20 20:11:44,391 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c33005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:44, skipping insertion in model container [2024-09-20 20:11:44,391 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:43" (3/4) ... [2024-09-20 20:11:44,391 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c33005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:44, skipping insertion in model container [2024-09-20 20:11:44,391 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:44" (4/4) ... [2024-09-20 20:11:44,393 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-20 20:11:44,396 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:44,397 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 20:11:44,397 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:44,397 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 20:11:44,398 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:11:44,398 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:44,398 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 20:11:44,398 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 20:11:44,399 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 20:11:44,399 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 20:11:44,399 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 20:11:44,399 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:44,399 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 20:11:44,400 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 20:11:44,401 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location [2024-09-20 20:11:44,464 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:44,464 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,465 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,465 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,466 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,467 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,475 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:44,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,476 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,476 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,477 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,480 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,492 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 20:11:44,511 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:44,511 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,512 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,512 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,512 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,515 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:44,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,515 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,515 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,515 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,515 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,520 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:44,537 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:44,538 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:44,538 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:44,538 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:44,538 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:44,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,547 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:44,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:44,548 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:44,548 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:44,559 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:44,559 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:48,612 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:48,648 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:11:48,649 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:48,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:48,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:48,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:48,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,650 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:11:48,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,650 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:48,650 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:48,650 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:48,651 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:48,655 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:48,677 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:48,680 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:48,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:48,681 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:48,681 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:48,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,683 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:48,684 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,684 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:48,685 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:48,685 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:48,685 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:48,687 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:48,704 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:11:48,704 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:48,704 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:48,704 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:48,704 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:48,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,740 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:11:48,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,741 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:48,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:48,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:48,743 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:48,747 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:48,758 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:11:48,758 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:48,759 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:48,759 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:48,759 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:48,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,786 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:11:48,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:48,787 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:48,787 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:48,788 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:48,792 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,845 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:52,877 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:52,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:52,878 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:52,878 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:52,878 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:52,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,882 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:52,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:52,883 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:52,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:52,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,886 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:52,900 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:52,900 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:52,901 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:52,901 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:52,901 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:52,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,904 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:52,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,905 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:52,905 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:52,905 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:52,907 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,908 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:52,920 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:52,922 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:52,922 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:52,922 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:52,922 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:52,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,924 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:52,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:52,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:52,925 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:52,925 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,927 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:52,938 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:52,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:52,938 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:52,938 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:52,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:52,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,941 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:52,941 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,942 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:52,942 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:52,943 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:52,943 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,944 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:52,953 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:52,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:52,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:52,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:52,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:52,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,958 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:52,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,959 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:52,959 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:52,959 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:52,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,982 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:52,995 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:11:52,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:52,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:52,996 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:52,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:52,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,019 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:11:53,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,020 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:53,020 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:53,020 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:53,025 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:57,126 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:57,155 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:57,155 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c33005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:57, skipping insertion in model container [2024-09-20 20:11:57,155 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:57,157 INFO L158 Benchmark]: Toolchain (without parser) took 13891.89ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 39.6MB in the beginning and 61.8MB in the end (delta: -22.2MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-09-20 20:11:57,157 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:57,157 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory is still 31.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:57,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.69ms. Allocated memory is still 73.4MB. Free memory was 39.4MB in the beginning and 43.2MB in the end (delta: -3.8MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-09-20 20:11:57,158 INFO L158 Benchmark]: Boogie Preprocessor took 47.87ms. Allocated memory is still 73.4MB. Free memory was 42.9MB in the beginning and 40.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:57,159 INFO L158 Benchmark]: RCFGBuilder took 757.68ms. Allocated memory is still 73.4MB. Free memory was 40.7MB in the beginning and 45.0MB in the end (delta: -4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:57,162 INFO L158 Benchmark]: Referee took 12767.25ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.0MB in the beginning and 61.8MB in the end (delta: -16.8MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:57,164 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 main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory is still 31.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.69ms. Allocated memory is still 73.4MB. Free memory was 39.4MB in the beginning and 43.2MB in the end (delta: -3.8MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.87ms. Allocated memory is still 73.4MB. Free memory was 42.9MB in the beginning and 40.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 757.68ms. Allocated memory is still 73.4MB. Free memory was 40.7MB in the beginning and 45.0MB in the end (delta: -4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 12767.25ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.0MB in the beginning and 61.8MB in the end (delta: -16.8MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:57,215 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