./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:29:44,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:44,138 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:44,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:44,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:44,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:44,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:44,166 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:44,167 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:44,169 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:44,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:44,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:44,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:44,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:44,171 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:44,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:44,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:44,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:44,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:44,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:44,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:44,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:44,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:44,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:44,173 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:44,173 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:44,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:44,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:44,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:44,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:44,174 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:44,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:44,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:44,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:44,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:44,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:44,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:44,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:44,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:44,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:44,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:44,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:44,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:44,178 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:44,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:44,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:44,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:44,467 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:44,467 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:44,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-09-25 00:29:44,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:44,518 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:44,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-25 00:29:45,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:45,993 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:45,994 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-25 00:29:46,001 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fbf43a54c/40715514843a42e98bcdfc95d778197c/FLAG647c6bbe7 [2024-09-25 00:29:46,015 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fbf43a54c/40715514843a42e98bcdfc95d778197c [2024-09-25 00:29:46,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:46,016 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:46,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:46,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:46,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:46,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:44" (1/2) ... [2024-09-25 00:29:46,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de13a47 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:44" (1/2) ... [2024-09-25 00:29:46,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@de1de2b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:46" (2/2) ... [2024-09-25 00:29:46,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de13a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:46" (2/2) ... [2024-09-25 00:29:46,037 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:46,037 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-25 00:29:46,037 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:29:46,038 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:29:46,038 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:29:46,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:46,193 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2024-09-25 00:29:46,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:46,218 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:46,252 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 00:29:46,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:46,282 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:46,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46 WrapperNode [2024-09-25 00:29:46,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:46,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:46,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:46,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:46,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,300 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,308 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:29:46,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:46,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:46,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:46,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:46,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:46,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:46,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:29:46,362 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:29:46,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:46,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:29:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:29:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:29:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:46,477 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:46,480 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:46,516 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:46,539 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:46,729 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:46,749 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:46,771 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:46,773 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:29:46,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:46 BoogieIcfgContainer [2024-09-25 00:29:46,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:46,774 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:46,774 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:46,775 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:46,775 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:44" (1/4) ... [2024-09-25 00:29:46,775 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@524fae9b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,775 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:46" (2/4) ... [2024-09-25 00:29:46,775 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@524fae9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,775 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:46" (3/4) ... [2024-09-25 00:29:46,776 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@524fae9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,776 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:46" (4/4) ... [2024-09-25 00:29:46,777 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-09-25 00:29:46,780 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:29:46,781 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:46,781 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:46,781 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:46,781 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:29:46,781 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:46,782 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:29:46,782 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:29:46,782 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:46,782 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:46,782 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:46,782 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:46,783 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:46,783 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:29:46,783 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-25 00:29:46,829 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:46,829 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:46,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:46,830 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:46,831 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:46,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,845 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:46,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:46,847 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:46,847 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:46,850 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:46,862 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:46,877 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:46,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:46,878 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:46,878 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:46,878 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:46,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,880 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:46,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,880 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:46,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:46,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:46,880 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:46,884 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:46,902 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:46,902 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:46,902 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:46,902 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:46,903 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:46,903 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,912 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:46,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,913 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:46,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:46,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:46,913 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:50,925 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:50,950 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:29:50,953 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:50,953 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:50,953 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:50,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:50,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:50,954 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:29:50,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:50,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:50,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:50,955 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:50,955 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:50,960 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:50,975 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:50,976 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:50,976 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:50,976 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:50,977 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:50,977 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:50,978 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:50,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:50,978 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:50,978 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:50,978 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:50,978 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:50,981 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:50,994 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:29:50,994 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:50,994 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:50,994 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:50,994 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:50,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,022 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:29:51,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,023 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:51,023 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:51,023 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:51,024 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:51,025 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:51,037 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:29:51,037 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:51,037 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:51,037 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:51,037 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:51,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,053 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:29:51,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:51,054 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:51,054 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:51,059 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,066 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:55,096 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:55,096 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,096 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,096 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,096 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,097 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:55,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,097 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,097 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,097 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,097 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,102 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:55,109 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:55,109 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,109 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,109 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,109 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,111 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:55,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,111 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,112 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,114 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:55,120 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:55,121 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,121 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,121 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,121 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,122 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:55,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,122 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,122 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,123 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,123 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,124 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:55,130 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:55,130 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,130 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,130 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,130 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,132 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:55,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,132 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,132 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,134 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:55,140 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:29:55,141 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,141 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,141 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,141 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,144 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:29:55,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,144 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,144 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,144 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,144 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,146 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:55,153 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:29:55,154 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,154 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,154 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,154 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,179 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:29:55,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,179 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,180 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,180 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,186 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:59,190 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:59,196 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:29:59,196 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@524fae9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:29:59, skipping insertion in model container [2024-09-25 00:29:59,196 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:29:59,200 INFO L158 Benchmark]: Toolchain (without parser) took 13180.91ms. Allocated memory is still 163.6MB. Free memory was 131.5MB in the beginning and 51.6MB in the end (delta: 79.9MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,200 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:59,200 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:59,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.09ms. Allocated memory is still 163.6MB. Free memory was 131.5MB in the beginning and 117.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,201 INFO L158 Benchmark]: Boogie Preprocessor took 42.57ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,201 INFO L158 Benchmark]: RCFGBuilder took 447.20ms. Allocated memory is still 163.6MB. Free memory was 115.4MB in the beginning and 124.3MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,201 INFO L158 Benchmark]: Referee took 12422.28ms. Allocated memory is still 163.6MB. Free memory was 124.3MB in the beginning and 51.6MB in the end (delta: 72.7MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,206 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.09ms. Allocated memory is still 163.6MB. Free memory was 131.5MB in the beginning and 117.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.57ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.20ms. Allocated memory is still 163.6MB. Free memory was 115.4MB in the beginning and 124.3MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 12422.28ms. Allocated memory is still 163.6MB. Free memory was 124.3MB in the beginning and 51.6MB in the end (delta: 72.7MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:29:59,226 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:30:01,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:01,070 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:30:01,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:01,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:01,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:01,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:01,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:01,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:01,114 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:01,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:01,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:01,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:01,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:01,119 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:01,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:01,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:01,119 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:01,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:01,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:01,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:01,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:01,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:01,123 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:30:01,123 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:30:01,124 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:01,124 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:30:01,124 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:01,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:01,124 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:01,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:01,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:01,125 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:01,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:01,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:01,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:01,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:01,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:01,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:01,126 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:30:01,126 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:30:01,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:01,127 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:01,127 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:01,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:01,128 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:30:01,128 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:01,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:01,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:01,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:01,434 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:01,434 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:01,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-09-25 00:30:01,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:01,482 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:01,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-25 00:30:02,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:02,928 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:02,928 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-25 00:30:02,934 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/612772a33/fb95f6a5a7fd4d2f9d23389381fbcbe0/FLAG0747fda88 [2024-09-25 00:30:03,341 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/612772a33/fb95f6a5a7fd4d2f9d23389381fbcbe0 [2024-09-25 00:30:03,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:03,342 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:03,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:03,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:03,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:03,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:01" (1/2) ... [2024-09-25 00:30:03,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f49aef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:03, skipping insertion in model container [2024-09-25 00:30:03,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:01" (1/2) ... [2024-09-25 00:30:03,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4668b4be and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:03, skipping insertion in model container [2024-09-25 00:30:03,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:03" (2/2) ... [2024-09-25 00:30:03,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f49aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03, skipping insertion in model container [2024-09-25 00:30:03,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:03" (2/2) ... [2024-09-25 00:30:03,363 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:03,363 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-25 00:30:03,363 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:30:03,363 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:03,363 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:30:03,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:03,511 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2024-09-25 00:30:03,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:03,529 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:03,558 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 00:30:03,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:03,586 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:03,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03 WrapperNode [2024-09-25 00:30:03,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:03,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:03,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:03,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:03,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03" (1/1) ... [2024-09-25 00:30:03,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03" (1/1) ... [2024-09-25 00:30:03,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03" (1/1) ... [2024-09-25 00:30:03,621 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:30:03,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03" (1/1) ... [2024-09-25 00:30:03,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03" (1/1) ... [2024-09-25 00:30:03,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03" (1/1) ... [2024-09-25 00:30:03,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03" (1/1) ... [2024-09-25 00:30:03,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03" (1/1) ... [2024-09-25 00:30:03,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03" (1/1) ... [2024-09-25 00:30:03,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:03,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:03,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:03,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:03,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03" (1/1) ... [2024-09-25 00:30:03,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:03,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:03,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:30:03,678 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:30:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:30:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:03,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:03,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:30:03,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:03,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:30:03,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:30:03,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:03,782 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:03,783 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:03,803 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:03,832 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:04,245 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:04,261 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:04,296 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:04,297 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:04,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:04 BoogieIcfgContainer [2024-09-25 00:30:04,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:04,298 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:04,298 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:04,298 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:04,299 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:01" (1/4) ... [2024-09-25 00:30:04,299 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@24ab03b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:04, skipping insertion in model container [2024-09-25 00:30:04,299 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:03" (2/4) ... [2024-09-25 00:30:04,299 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@24ab03b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:04, skipping insertion in model container [2024-09-25 00:30:04,299 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03" (3/4) ... [2024-09-25 00:30:04,300 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@24ab03b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:04, skipping insertion in model container [2024-09-25 00:30:04,300 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:04" (4/4) ... [2024-09-25 00:30:04,300 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-09-25 00:30:04,303 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:04,304 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:04,304 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:04,304 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:04,304 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:30:04,304 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:04,304 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:30:04,304 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:30:04,304 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:04,305 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:04,305 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:04,305 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:04,305 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:30:04,305 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:30:04,306 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:30:04,349 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:04,349 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:04,350 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:04,350 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:04,351 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:04,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:04,360 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:04,361 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:04,361 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:04,361 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:04,362 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:04,364 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:04,382 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:04,398 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:04,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:04,398 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:04,399 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:04,399 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:04,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:04,402 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:04,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:04,402 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:04,402 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:04,402 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:04,402 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:04,408 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:04,434 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:04,438 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:04,438 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:04,438 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:04,438 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:04,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:04,447 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:04,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:04,447 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:04,447 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:04,447 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:04,448 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:08,480 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:08,499 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:30:08,500 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,500 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,500 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,500 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,501 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:30:08,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,501 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,501 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,501 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:08,506 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:08,524 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:08,524 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,524 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,524 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,524 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,526 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:08,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,526 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,526 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,526 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:08,527 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:08,538 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:30:08,538 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,538 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,538 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,538 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,576 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:30:08,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,577 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,577 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,578 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:08,579 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:08,591 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:30:08,592 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,592 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,593 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,593 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,605 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:30:08,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,606 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,606 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,606 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,609 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:08,747 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:08,762 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:08,763 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,763 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,763 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,763 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,764 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:08,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,764 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,764 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:08,766 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:08,772 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:08,772 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,772 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,772 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,774 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:08,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,774 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,774 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,774 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,775 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:08,775 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:08,781 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:08,781 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,782 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,782 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,782 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,783 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:08,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,783 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,783 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,783 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,783 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:08,785 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:08,790 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:30:08,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,791 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,792 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:30:08,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,792 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,792 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,792 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,793 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:08,794 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:08,799 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:30:08,800 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,800 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,800 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,800 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,803 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:30:08,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,803 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,803 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,803 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,803 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:08,821 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:08,842 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:30:08,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:08,843 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:08,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:08,843 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:08,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,855 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:30:08,855 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:08,855 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:08,856 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:08,856 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:08,859 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:12,942 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:12,966 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:12,967 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@24ab03b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:12, skipping insertion in model container [2024-09-25 00:30:12,967 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:12,969 INFO L158 Benchmark]: Toolchain (without parser) took 9625.37ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 34.9MB in the beginning and 53.0MB in the end (delta: -18.1MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:12,969 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 44.0MB. Free memory was 25.5MB in the beginning and 25.5MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:12,969 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 44.0MB. Free memory is still 23.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:12,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.36ms. Allocated memory is still 67.1MB. Free memory was 34.6MB in the beginning and 40.3MB in the end (delta: -5.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-09-25 00:30:12,970 INFO L158 Benchmark]: Boogie Preprocessor took 56.19ms. Allocated memory is still 67.1MB. Free memory was 40.3MB in the beginning and 38.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:12,970 INFO L158 Benchmark]: RCFGBuilder took 652.07ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 38.1MB in the beginning and 59.8MB in the end (delta: -21.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:12,971 INFO L158 Benchmark]: Referee took 8669.27ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 53.6MB in the end (delta: 6.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-09-25 00:30:12,973 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 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 __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 ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds 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 44.0MB. Free memory was 25.5MB in the beginning and 25.5MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 44.0MB. Free memory is still 23.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.36ms. Allocated memory is still 67.1MB. Free memory was 34.6MB in the beginning and 40.3MB in the end (delta: -5.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.19ms. Allocated memory is still 67.1MB. Free memory was 40.3MB in the beginning and 38.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 652.07ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 38.1MB in the beginning and 59.8MB in the end (delta: -21.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Referee took 8669.27ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 53.6MB in the end (delta: 6.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:13,015 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